f e b rua ry 2 012
Duke Electrophysiologists Leaders on the Mission to Get Hearts in Synch
T H E M A G A Z I N E F O R H E A LT H C A R E P R O F E S S I O N A L S
Also in This Issue Year of Discovery Follow Your Calling
Protecta XT TM
CRT-D and DR ICDs with SmartShock Technology TM
With Protecta, 98% of ICD patients are free of inappropriate shocks at 1 year and 92% at 5 years.*1
Brief Statement: Protecta™ CRT-D/DR ICDs Indications Protecta/Protecta XT implantable cardioverter defibrillators (ICDs) and CRT-D ICDs are indicated for ventricular antitachycardia pacing and ventricular defibrillation for automated treatment of life-threatening ventricular arrhythmias. Protecta/Protecta XT (CRT-D) ICDs are also indicated the reduction of the symptoms of moderate to severe heart failure (NYHA Functional Class III or IV) in those patients who remain symptomatic despite stable, optimal medical therapy and have a left ventricular ejection fraction ≤ 35% and a prolonged QRS duration. Atrial rhythm management features such as Atrial Rate Stabilization (ARS), Atrial Preference Pacing (APP), and Post Mode Switch Overdrive Pacing (PMOP) are indicated for the suppression of atrial tachyarrhythmias in ICD-indicated patients with atrial septal lead placement and an ICD indication. Additional Protecta/Protecta XT System Notes: The use of the device has not been demonstrated to decrease the morbidity related to atrial tachyarrhythmias. • The effectiveness of high-frequency burst pacing (atrial 50 Hz Burst therapy) in terminating device classified atrial tachycardia (AT) was found to be 17%, and in terminating device classified atrial fibrillation (AF) was found to be 16.8%, in the VT/AT patient population studied. • The effectiveness of high-frequency burst pacing (atrial 50 Hz Burst therapy) in terminating device classified atrial tachycardia (AT) was found to be 11.7%, and in terminating device classified atrial fibrillation (AF) was found to 18.2% in the AF-only patient population studied.
Additional Protecta XT DR System Notes: The ICD features of the device function the same as other approved Medtronic marketreleased ICDs. • Due to the addition of the OptiVol® diagnostic feature, the device indications are limited to the NYHA Functional Class II/III heart failure patients who are indicated for an ICD. • The clinical value of the OptiVol fluid monitoring diagnostic feature has not been assessed in those patients who do not have fluid retention related symptoms due to heart failure. Contraindications Protecta/Protecta XT CRT-ICDs are contraindicated for patients experiencing tachyarrhythmias with transient or reversible causes including, but not limited to, the following: acute myocardial infarction, drug intoxication, drowning, electric shock, electrolyte imbalance, hypoxia, or sepsis. The devices are also contraindicated for patients who have a unipolar pacemaker implanted, patients with incessant VT or VF, or patients whose primary disorder is chronic atrial tachyarrhythmia with no concomitant VT or VF. Warnings and Precautions ICDs: Changes in a patient’s disease and/or medications may alter the efficacy of the device’s programmed parameters. Patients should avoid sources of magnetic and electromagnetic radiation to avoid possible underdetection, inappropriate sensing and/or therapy delivery, tissue damage, induction of an arrhythmia, device electrical reset, or device damage. Do not place transthoracic defibrillation paddles directly over the device. Additionally, for CRT-ICDs, certain programming and device operations may not provide cardiac resynchronization.
www.medtronic.com * Primary prevention patient programmed for detection rate cut off at 188 bpm.
Potential Complications Potential complications include, but are not limited to, acceleration of ventricular tachycardia, air embolism, bleeding, body rejection phenomena which includes local tissue reaction, cardiac dissection, cardiac perforation, cardiac tamponade, chronic nerve damage, constrictive pericarditis, death, device migration, endocarditis, erosion, excessive fibrotic tissue growth, extrusion, fibrillation or other arrhythmias, fluid accumulation, formation of hematomas/seromas or cysts, heart block, heart wall or vein wall rupture, hemothorax, infection, keloid formation, lead abrasion and discontinuity, lead migration/dislodgement, mortality due to inability to deliver therapy, muscle and/or nerve stimulation, myocardial damage, myocardial irritability, myopotential sensing, pericardial effusion, pericardial rub, pneumothorax, poor connection of the lead to the device, which may lead to oversensing, undersensing, or a loss of therapy, threshold elevation, thrombosis, thrombotic embolism, tissue necrosis, valve damage (particularly in fragile hearts), venous occlusion, venous perforation, lead insulation failure or conductor or electrode fracture. See the device manual for detailed information regarding the implant procedure, indications, contraindications, warnings, precautions, and potential complications/ adverse events. For further information, please call Medtronic at 1 (800) 328-2518 and/or consult Medtronic’s website at www.medtronic.com. Caution: Federal law (USA) restricts these devices to sale by or on the order of a physician.
Changes in a patient’s disease and/or medications may alter the efficacy of a device’s programmed parameters or related features.
UC201204700 EN © Medtronic, Inc. 2012. Minneapolis, MN. All Rights Reserved. Printed in USA. 02/2012
NOW with DF4 Connector System
JOHNSTON MEDIC AL CENTER Clayton A Healthier tomorrow begins today
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A H e a lt h i e r tom or r o w b e g i n s today
Contents
COVER STORY
6
Dr. Tristram Bahnson and Dr. Robert Lewis
Duke Electrophysiologists Leaders on the Mission to Get Hearts in Synch
february 2012
Vol. 3, Issue 2
FEATURES
13
Cardiology
New Anticoagulants Offer Greater Advantages
14
DEPARTMENTS 16 Your Financial Rx Is It a Career or a Calling?
18 Cardiology
Cardiology
A Lifesaving Gift: New Cardiac Lead is Doubly Beneficial
Will 2012 Be the Year of Atrial Fibrillation?
Dr. Donahue discusses the information
Dr. Paul Mounsey reviews advances in atrial
about new anticoagulants for atrial
fibrillation that now gives the majority of
fibrillation, including dabigatran,
patients a reasonable prognosis for success.
rivaroxaban and apixaban.
19 News
Prescription-Dispensing Program Results in Improved Outcomes and MOre
20 UNC Research News
Scientific Breakthrough of the Year; diverticulosis research disputes beliefs
21 UNC Research News
Study Could Lead to Treatment for Angelman Disease
23 News
However much you value wildlife conservation in North Carolina,
DEC NC
11
1234
24 Duke News
Primary stroke center certification and new ID scanner in Durham
quadruple it.
That’s right! Your conservation effort is increased by a 3-to-1 matching gift. So, when you are one of the first to display the new North Carolina Wildlife Habitat Foundation NCDMV license tag, your $10 tag contribution to the organization becomes $40 in lands preserved. The all-volunteer North Carolina Wildlife fe Habitat Foundation assists in acquisition, on, management, and protection of land in North Carolina for the conservation of habitats needed to preserve wildlife
2
The Triangle Physician
Robotic surgical system arrives in Durham; Cary hospital celebrates 20 years
25 News
Region’s Fellows Recognized for Advancing Science
right here in the Old North State. Conservation education efforts are preparing future generations to sustain your concern for the lands we protect today.
26 Duke News
At www.ncwhf.org, download the license tag application and see the good works in process. pp Your new tag shows your support and your n contribution is put to work…times four. co
27 News
www.ncwhf.org w
Joint Replacement Program Awarded Gold Seal of Approval Oncologist joins Rex Cancer Center; WakeMed opens pulmonology practice
28 News
Triangle Physician Network, cancer fund raiser and welcome
Stay in the game Don’t be sidelined by an injury Athletes all over the world—professional, Olympic, collegiate, and recreational— rely on the superior care of the specialists at Duke Sports Medicine. Our integrated program offers orthopaedic surgery and physical therapy for injuries, as well as research-based training for injury prevention and elite performance.
Why premier athletes trust Duke Sports Medicine with their athletic future: ■
■
■
An orthopaedics team ranked sixth in the nation by U.S.News & World Report The Duke Women’s Sports Medicine Program, one of the first established in the nation An accredited FIFA Medical Centre of Excellence— one of only two in the United States
■
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Expert care for knees and shoulders, with thousands of successful surgeries performed The Michael W. Krzyzewski Human Performance Research Laboratory (K-Lab): top-notch staff, state-of-the-art equipment, and methods proven to make the best athletes better
World-class treatment, rehab, and performance improvement—that’s Duke Sports Medicine.
Appointments are available within 24 hours. Call 888-ASK-DUKE (275-3853). facebook.com/dukeortho twitter.com/dukeortho
dukeortho.org
9193
From the Editor
From the Editor
Mysteries of the Heart T H E M A G A Z I N E F O R H E A LT H C A R E P R O F E S S I O N A L S
There is a lot of unknown surrounding atrial fibrillation – primarily its cause and its treatment. One thing is certain, developments in medical science – like cryoballoon ablation – are leading to improved outcomes. Duke
Editor Heidi Ketler, APR
heidi@trianglephysician.com
electrophysiologists introduced this new technology to the Triangle, and they are the focus of our Heart Health Month cover story. This issue of The Triangle Physician also features other cardiologists engaged in unraveling the mysteries of atrial fibrillation. Dr. Paul Mounsey discusses the promise of 2012 as a year of great discovery in the treatment of AF. Kevin Campbell explains the mechanics and benefits of a revolutionary quadripolar defibrillator. Dr. Tim Donahue reviews new anticoagulants for AF stroke
Contributing Editors Kevin R. Campbell, M.D. Timothy P. Donahue, M.D. Paul Mounsey, B.M. B.Ch., Ph.D., M.R.C.P., F.A.C.C. Paul Pittman, C.F.P. Photography Jim Shaw Photography jimshawphoto@earthlink.net Creative Director Joseph Dally
jdally@newdallydesign.com
prevention, including dabigatran, rivaroxaban and apixaban.
Advertising Sales Carolyn Walters carolyn@trianglephysician.com
Returning this month is our resident financial planning expert, Paul Pittman.
News and Columns Please send to info@trianglephysician.com
He tells us a story of a client whose attitude changed once he could focus on his calling as a physician. This is a great issue, and we sincerely appreciate all of our contributors. You, too, are invited to contribute news and insight. The editorial calendar on page 23 may help you plan the most appropriate issue in which to make your debut!
The Triangle Physician is published by: New Dally Design 9611 Ravenscroft Ln NW, Concord, NC 28027 Subscription Rates: $48.00 per year $6.95 per issue Advertising rates on request Bulk rate postage paid Greensboro, NC 27401
Also, a heartfelt thanks to our advertisers, who have discovered the secret to reaching a very targeted and elite market. It’s no mystery that The Triangle Physician reaches some 9,000 medical professionals in 18 counties surrounding the Triangle.
Every precaution is taken to insure the accuracy of the articles published. The Triangle Physician can not be held responsible for the opinions expressed or facts supplied by its authors.
With great respect for all you do,
Opinions expressed or facts supplied by its authors are not the responsibility of The Triangle Physician. The Triangle Physician makes no warrant to the accuracy or reliability of this information.
Heidi Ketler
All advertiser and manufacturer supplied photography will receive no compensation for the use of submitted photography.
Editor
Any copyrights are waived by the advertiser. No part of this publication can be reproduced or transmitted in any form or by any means without the written permission from The Triangle Physician.
4
The Triangle Physician
Category
On the Cover
Keeping the Beat
Duke
Electrophysiologists Are Leaders on the Mission to Get Hearts in Synch
H
eart rhythm patients at The Duke
atrial fibrillation using focal ablation,”
experience the doctor and center have
Heart Center are benefiting from
says James Daubert, M.D., director of
with a specific procedure, device and
the availability of cryoablation, a
Duke Electrophysiology. “It provides a
energy source is very important to the
highly effective and innovative treatment
straightforward and efficient minimally
outcome,” says Duke electrophysiologist
option for atrial fibrillation.
invasive approach to pulmonary vein
Patrick Hranitzky, M.D. “Our experience
isolation that is proven to be safe and
in using this next-generation technology
effective.”
demonstrates
The Arctic Front Cardiac CryoAblation
commitment
Catheter system is the first and only
Duke to
Heart
providing
Center’s innovative,
cryoballoon in the United States indicated
United States Food and Drug Administra-
proven solutions to efficient, effective and
for
drug-refractory
tion approval of the Arctic Front system
safe treatment of atrial fibrillation.”
paroxysmal atrial fibrillation. Its balloon-
in 2010 was based on STOP AF (Sustained
based technology ablates or isolates
Treatment of Paroxysmal Atrial Fibrillation)
The Duke Heart Center has a worldwide
regions of the heart that produce atrial
trial.
reputation for cutting-edge cardiology
the
treatment
of
care and is consistently ranked by U.S.
fibrillation in heart tissue using a coolant, rather than heat. The freezing technology
The study demonstrated that 69.9 percent
News & World Report among the top 10 in
is delivered through a catheter, which
of patients treated with Arctic Front were
the nation. With some 3,800 procedures
adheres to the tissue during ablation,
free from atrial fibrillation at one year,
performed annually, Duke’s interventional
enhancing catheter stability.
compared to 7.3 percent of patients treated
cardiology and heart disease programs
with drug therapy only.
are among the country’s largest and most experienced.
The first case was done at Duke by Tristram Bahnson, M.D., director of the Duke Center
The clinical trial also showed that treat-
for Atrial Fibrillation, in August 2011. Since
ment with the device is safe, with limited
The Duke electrophysiology team performs
then, both he and Duke electrophysiologist
procedure-related adverse events. “Pa-
more than 600 total catheter ablations
Patrick Hranitzky, M.D., have been offering
tients enrolled in the study displayed a sig-
yearly. Duke cardiologists also are leaders
this technology to select patients with drug
nificant reduction of symptoms, a decrease
in patient outcomes, funded research and
refractory atrial fibrillation.
in the use of drug therapy and substantial
the impact of faculty publications. Data
improvements in both physical and mental
show that Duke Heart Center’s use of
quality-of-life factors,” says Dr. Daubert.
evidence-based treatments reduces the
“Cryoballoon
ablation
represents
a
number of hospital admissions, lengths of
significant improvement over the previous standard of treatment for paroxysmal
6
The Triangle Physician
“As with any procedure, the amount of
stay and costs.
Duke heart rhythm services are offered
Atrial fibrillation, also known as AF or AFib,
People with or without symptoms can have
by Duke’s Division of Cardiology and the
occurs when the upper chambers of the
AF diagnosed using any of these recording
Duke Heart Center. “Each year, thousands
heart beat fast and irregularly. As a result
methods:
of patients with atrial fibrillation are
of inefficient blood flow to the rest of the
•E lectrocardiogram (ECG or EKG)
treated at Duke, with more than 300
body, AF symptoms may include shortness
•H olter monitor
undergoing cardiac catheter ablation
of breath, heart palpitations, general
•A mbulatory ECG monitors like event
for atrial fibrillation to treat symptoms
weakness, exercise intolerance, dizziness
not controlled with medications alone.
and syncope. However, about 40 percent
Cryoballoon ablation is an important new
of those with AF have no noticeable
of pacemakers or implantable
technology that holds promise to increase
symptoms, so it often goes undiagnosed,
cardioverter-defibrillators
long-term success and to further reduce
yet such patients remain at risk of serious
complications of left atrial ablation for
complication, according to Dr. Daubert.
recorders or loop recorders •H eart rhythm monitoring functions
•E chocardiogram (ultrasound to evaluate heart chamber size and function and valve function)
atrial fibrillation,” says Dr. Bahnson. Atrial fibrillation is often seen in patients
Incidence, Diagnosis and Treatment of Atrial Fibrillation
with medical and heart problems, such
Initial treatments usually include medica-
as hypertension, coronary artery disease,
tions to control heart rate or stabilize the
Approximately 2.2 million Americans are
heart valve disease, heart defects and sleep
heart rhythm (antiarrhythmic drugs), and
estimated to have atrial fibrillation, making
apnea; however, many patients develop
medications to prevent blood clots and
it the most common heart rhythm disorder
this heart rhythm disorder with no other
stroke (anticoagulants).
in the United States.
apparent heart problems. In at least 20 percent of the cases, there is no identified
It is estimated that drug therapy is unsuc-
underlying heart disease, Dr. Daubert says.
cessful in as many as half of all patients di-
(L-R) Dr. Robert Lewis, Linwood “Beau” Johnson, Cardiac Cath/EP Technician, and Dr. Tristram Bahnson.
february 2012
7
Chris Warden, RN, Dr. Patrick Hranitzky and Charles Mathews, EP Clinical Account Specialist, Biosense Webster
agnosed with AF. For those with continued
insert into the left atrium, are a common
more successfully ablated than chronic,
symptoms despite medications, or those
source of triggering beats that cause
longstanding and persistent AF,” says Dr.
who cannot tolerate antiarrhythmic drugs,
atrial fibrillation. Accordingly, ablation to
Bahnson. “Thus, for patients to be optimally
catheter ablation is an important second
electrically isolate this heart tissue from the
treated they should be evaluated by a
line treatment for AF. Another approach
remainder of the heart, called pulmonary
cardiologist or cardiac electrophysiologist
to AF is surgical ablation, although this is
vein isolation, or PVI, is a primary goal of
early in the course of the condition.”
most often performed in conjunction with
the catheter-based ablation procedures to
other heart surgeries, such as heart valve
treat AF.
The Duke Difference “Catheter ablation for AF is a complex and
repair or replacement or coronary bypass surgery, or when catheter ablation hasn’t
“Essentially the electrophysiologist is try-
evolving procedure that is now offered
worked well enough.
ing to create a barrier preventing spread
at only a limited number of centers in
of abnormal electrical signals to the rest of
North Carolina,” says Dr. Hranitzky.
Catheter ablation is a minimally invasive
the heart,” says Dr. Bahnson. “The PVI pro-
“Duke electrophysiologists have extensive
procedure to “disconnect” or isolate
cedure typically continues until isolation
experience performing this procedure,
regions of the heart that are able to initiate
of all the pulmonary veins is confirmed by
and thousands of patients have been
or sustain atrial fibrillation. Catheters are
observing that pulmonary vein potentials,
successfully treated at our institution over
passed through the blood vessels to the
representing continued connection be-
the years.”
heart and are used to identify and then
tween the pulmonary vein tissue and the
cauterize with radiofrequency energy
rest of the heart, are eliminated.
offending regions of the heart.
The expertise of Duke providers extends to the latest computer-mapping systems
or cryothermy ablation (freezing) the After ablation, some patients remain on
that are routinely used to pinpoint the
medications.
source of the abnormal electrical signals
The muscle sleeves (or muscle covering)
and to direct catheters to the target sites.
of the pulmonary veins, which themselves
“AF is considered a progressive disease,
New systems to increase the accuracy
return blood from the lungs to the heart and
and paroxysmal or intermittent AF is
of the ablation procedure also integrate
8
The Triangle Physician
“Should we define success as freedom from any AF, even as little as 30 seconds over the course of the first year after PVI?” Dr. Hranitzky asks. Some patients may have a recurrence of AF two or three years after their ablation. For patients with paroxysmal or intermittent AF, most large studies show that PVI has a roughly 70 percent success rate with the first ablation defined at one-year follow up. In those who have recurrent AF, a repeat ablation is usually an option. For those with paroxysmal AF who have undergone a second ablation, the cumulative success rate is 85-90 percent, according to Dr. Hranitzky.
Cryoablation Is New Paradigm for AF Treatment “Atrial fibrillation is often age-related. To keep pace with the expected increase in incidence as the United States population ages,
Duke
electrophysiologists
are
focused on the latest technologies that will advance diagnosis and treatment of AF,” says Dr. Daubert. The Arctic Front Cardiac CryoAblation Catheter is the newest in the treatment of drug-refractory, paroxysmal
recurrent atrial
symptomatic
fibrillation.
The
technology uses a unique balloon catheter that inflates and fills with coolant to simultaneously
freeze
cardiac
tissue
around the “mouth” of the pulmonary vein
Cryoablation balloon catheter
to create conduction block.
with heart imaging, using intracardiac
According to Dr. Hranitzky, success rates
Cryoenergy offers a number of unique
ultrasound, magnetic resonance imaging
for catheter ablation of AF can be defined
safety features. Cryoadhesion improves
and computed tomography. The systems
as restoring a patient’s normal sinus
contact and stability, minimizing the
include:
rhythm, while not being dependent on
amount of fluoroscopy (X-rays) used. The
• Electro-anatomic mapping and ablation
medications to control the heart rhythm.
cryotechnology preserves the extracellular
The success rates vary depending upon
matrix and endothelial integrity. It decreases
the patient’s duration of AF and degree of
the risk of thrombus formation and it
patients whose ventricular arrhythmias
enlargement of the left atrium, as well as
demonstrates well-demarcated lesions.
occur on the heart’s outer surface; and
other factors. Additionally, the amount of
• Robotic catheter navigation systems to
monitoring performed after the ablation
The rate of cryoablation procedure-
impacts on the apparent success rate.
related adverse events in the STOP AF
of ventricular arrhythmias; • Epicardial catheter ablation to treat
guide precise movement of the catheter in the heart.
study was a low 3.1 percent. There were
february 2012
9
no reports of atrial-esophageal fistulas, a
and needs of each patient with AF,” says
cardioverter defibrillators in patients with
rare but potentially serious complication
Dr. Bahnson. “Cryoballoon ablation is but
heart disease, who either are at risk for
of left atrial ablation for AF. There also
one of the many therapy options available
life-threatening heart rhythms or have
was low reported occurrence of left atrial
to our patients.”
already experienced them, according to Dr. Daubert.
tachycardia post procedure, according to Dr. Daubert.
Ablation also is used to treat other heart rhythm conditions, and Duke is a leader
Implantation Devices
The cryoablation procedure is monitored
in advanced techniques for ablation of
Placement of a permanent pacemaker
with fluoroscopy and does not require
refractory ventricular arrhythmias. Dr.
may be advised as an adjunct to medical
three-dimensional electroanatomical map-
Hranitzky is spearheading the Ventricular
therapy when the heart rhythm is too slow
ping systems. This reduces procedural
Tachycardia Ablation program at Duke.
or in combination with arterioventricular node ablation when the heart rhythm
complexity and procedure times.
cannot be controlled using medicines or
paradigm in treatment alternatives, and
Implantable Devices Offer Advanced Detection/Prevention
we could expect an improvement in
Duke heart rhythm specialists work
About half of heart failure patients have
procedural time or possibly in outcomes,
closely with other cardiologists to assist
hearts that pump with too little force
as a result,” says Dr. Daubert.
in the primary treatment of heart failure
(measured by ejection fractions, or EF).
“Cryoballoon ablation represents a new
curative ablation.
patients. That often involves procedures to
Most patients with an EF of less than about
“The Duke Center for Atrial Fibrillation
implant devices that detect and terminate
35 percent, despite medical therapy, are
offers patients a great variety of potential
abnormal rhythms.
candidates for an implantable cardioverter
therapies for atrial fibrillation, and there
defibrillator (ICD).
is an emphasis to individualize therapy
Each year, Duke physicians implant more
based upon the special characteristics
than 400 pacemakers and 700 implantable
(L-R) Dr. Robert Lewis, Linwood “Beau” Johnson, Cardiac Cath/EP Technician, and Dr. Tristram Bahnson
10
The Triangle Physician
Implantation of a cardiac resynchroniza-
surgeons are available to assist with
Those who are eligible:
tion therapy (CRT) device may be recom-
open placement of pacemaker leads, if
• Have AF, as determined by their
mended for heart failure patients who have
necessary.
physician. • Warrant active therapy beyond simple
low EFs and electrocardiograms showing delayed and disorganized electrical acti-
Clinical Trials
vation of the heart, such as a left bundle
Patients can receive new therapies at Duke
branch block, which can worsen the me-
Heart Center even before they become
>2 sequential rhythm control or >3 rate
chanical pumping problem. CRT electrical-
widely available by participating in clinical
control drugs.
ly paces both lower chambers, organizing
trials.
• Are at least 18 years old.
Duke is currently seeking participants
For more information, visit www.
The Duke CRT center offers the region’s
for the CABANA trial, which is testing
Dukehealth.org/heart_center/about/
only multidisciplinary program in cardiac
the hypothesis that left atrial catheter
clinical_trials or contact one of our clinical
resynchronization therapy. It involves
ablation to eliminate atrial fibrillation is a
research coordinators: Anthony Waldron,
heart rhythm specialists, heart failure
superior treatment strategy as compared
Jr. at Anthony.waldronjr@duke.edu or
specialists and imaging specialists from
to current state-of-the-art therapy with
(919) 681-9772, or Mary Hill at
echocardiography, magnetic resonance
either rate control or rhythm control
mary.hill@duke.edu or (919) 681-7293.
and nuclear cardiology. The center seeks
drugs for reducing total mortality in
to better identify patients for CRT and
patients with untreated or incompletely
Screening for Rare
optimize the programming of devices after
treated AF. This trial is a worldwide trial
Hereditary Disorders
implantation.
sponsored by the National Institutes of
Dr. Daubert and Duke cardiologists
ongoing observation. • Are eligible for catheter ablation and
the heart’s electrical activation.
Health, and Duke is the No. 1 enrolling
Augustus Grant, M.D.; Geoffrey Pitt, M.D.,
In most cases, pacemakers, ICDs and CRT
center. In addition, the data storage
Ph.D.; and Kent Nilsson, M.D., offer a weekly
devices can be implanted non-surgically
and analysis center resides at the Duke
Inherited Arrhythmia Clinic for patients
by inserting leads in the heart through a
Clinical Research Institute. (Visit www.
who are highly prone to arrhythmias and
vein under the collarbone. Cardiothoracic
dcri.org.)
an elevated risk of sudden cardiac death.
february 2012
11
They include individuals with a family history of sudden cardiac death, patients who have already experienced a near-fatal arrhythmia with no clear cause, and those
Sana M. Al-Khatib, MD, MHS Cardiac Electrophysiology
Donald D. Hegland, MD Cardiac Electrophysiology
diagnosed with or suspected to have long QT syndrome (LQTS), Brugada syndrome or catecholaminergic polymorphic ventricular tachycardia (CPVT).
Brett D. Atwater, MD
The Inherited Arrhythmia Clinic also sees
Cardiac Electrophysiology
patients with heart-muscle disorders – in-
Patrick M. Hranitzky, MD Cardiac Electrophysiology
cluding arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D), hypertrophic cardiomyopathy and other inherited cardiomyopathies. The Inherited Arrhythmia Clinic is a component of Duke’s Adult Cardiovascular Genetics Clinic (ACGC).
Tristram D. Bahnson, MD Cardiac Electrophysiology
Kevin P. Jackson, MD Cardiac Electrophysiology
Genetic testing and interpretation of the results are also available. A key part of this clinic is a full-time genetics counselor, who can help interpret these tests and advise patients and their families on the pros and cons of testing in their particular situation. For more information, call (919) 681-6197.
James P. Daubert, MD Cardiac Electrophysiology
Jason I. Koontz, MD, PhD Cardiac Electrophysiology
Duke Heart Center specialists offer treatment regimens that are individualized using the full scope of new and investigational therapies to prevent and treat AF and other abnormal heart rhythm problems. Ongoing patient evaluation ensures the chosen therapy remains effective and without detrimental side effects.
Camille G. Frazier-Mills MD, MHS
Kent R. Nilsson, MD, MA
Cardiac Electrophysiology
Cardiac Electrophysiology
Augustus O. Grant, PhD, MB, ChB
Jonathan P. Piccini, Sr., MD, MHSc
Cardiac Electrophysiology
Cardiac Electrophysiology
Ruth Ann Greenfield, MD
Kevin L. Thomas, MD
For more information, visit www. dukehealth.org/heart_center/programs/ heart_rhythm_services/programs. Appointments with a Duke heart specialist may be made by calling (800) 633-3853 or (800) MED-DUKE. “We offer vast experience, garnered from years of treating atrial fibrillation, as well as other heart conditions, and assure that each patient receives a comprehensive and customized therapy plan,” says Dr. Daubert. “Duke Heart physicians also are actively engaged in cutting-edge research to develop new devices, and patients can often benefit by participating in clinical trials.”
12
The Triangle Physician
Cardiac Electrophysiology
Cardiac Electrophysiology
Cardiology
New Anticoagulants Offer Greater Advantages By Timothy P. Donahue, M.D.
Knowledge of the subtle differences between the two new medications can help physicians select the right drug and set patient expectations. After decades of warfarin use for stroke
dietary modification. Drug interactions are
prophylaxis in patients with atrial fibrillation,
few and mostly involve strong inhibitors or
the landscape has changed dramatically in
inducers of glycoprotein P (dabigatran and
the last 18 months with the approval of the
rivaroxiban) or drugs that affect cytochrome
new anticoagulants dabigatran (Pradaxa)
3A4 (rivaroxiban).
and rivaroxiban (Xarelto). Because no head-to-head trial has ever Both drugs have fared well in clinical trials,
been done comparing the two drugs, it can
but knowledge of the subtle differences
be difficult to decide which medication to
between the two can help physicians select
choose for a given patient. Here are some
the right drug and set patient expectations.
things to consider:
To follow is a brief review of the findings of the RE-LY and ROCKET AF trials, which
Dabigatran may be better:
evaluated each drug respectively.
• For patients with a history of stroke in spite of adequate anticoagulation, since
Dr. Tim Donahue has been practicing with Triangle Heart Associates/ Duke since 2009. Prior to that, he served as chief of electrophysiology at Ochsner Clinic serving southern Louisiana. Dr. Donahue earned his medical degree from Louisiana State University. He completed an internship in internal medicine at Emory University Hospital and fellowships in cardiology and cardiac electrophysiology at the University of Florida. Professional interests include diagnosis and treatment of heart rhythm disorders. Dr. Donahue sees patients at Triangle Heart Associates in Durham and can be reached at 919-220-5510.
• For patients with coronary artery disease,
Both drugs proved to be superior to
it showed a significant decrease in the
since the incidence of myocardial
warfarin when taken as directed. The
incidence of ischemic stroke.
infarction trended lower in rivaroxibantreated patients and higher in dabigatran-
majority of the benefit was driven by
• For patients taking strong inhibitors or
the reduction in the risk of hemorrhagic
inducers of CYP3A4 and P-gp, such as
stroke, which was lower in both dabigatran
ketoconazole, itraconazole, ritonavir,
(relative risk 0.26, confidence interval 0.14-
rifampin and conivaptan, which are
While these drugs offer great new advantages
contraindicated with rivaroxiban.
over warfarin therapy, they do have their
0.49) and rivaroxiban (RR 0.59, CI 0.37-0.93) compared to warfarin-treated patients.
• For patients in whom cardioversion is
treated patients compared to warfarin.
shortcomings. Both drugs increase the
Dabigatran also significantly lowered the
planned. In RE-LY, 672 patients treated
risk of GI bleed compared to warfarin and
risk of ischemic stroke (RR 0.76, CI 0.60-
with dabigatran 150mg underwent
both remain expensive for patients who
0.98). The rate of all bleeding was similar in
cardioversion. Rates of embolism and
have no prescription drug coverage. Both
patients treated with warfarin vs. either of
thrombus-positive TEE were similar
companies, however, do offer assistance
the new anticoagulants, but both dabigatran
compared to warfarin-treated patients. In
programs for indigent patients.
and rivaroxiban increased the frequency of
ROCKET-AF, planned cardioversion was
gastrointestinal bleeding significantly.
an exclusion criterion.
It should be a short wait for the introduction of the next competitor in this rapidly
In addition to improved safety, ease of use
Rivaroxiban may be better:
growing space. Approval of the factor Xa
is another compelling attribute of these new
• For patients who may have trouble
inhibitor apixaban (Eliquis) is expected
drugs. Rivaroxiban showed no increase in
complying with a twice daily regimen,
in the next several months. This twice-a-
side effects compared to warfarin and is taken
since it is taken once daily (with the
day drug impressed researchers by hitting
once daily. Dabigatran caused dyspepsia in
evening meal).
solid clinical endpoints, such as reduction
6 percent of patients and is taken twice daily.
in hemorrhagic stroke, bleeding and death
• Because it has no apparent non-
Neither drug requires routine monitoring
bleeding side effects. (Dabigatran causes
of coagulation parameters or significant
dyspepsia in 6 percent of patients.)
compared to warfarin.
february 2012
13
Cardiology
Will 2012 Be the Year of Atrial Fibrillation? By Paul Mounsey, B.M. B.Ch., Ph.D., M.R.C.P., F.A.C.C.
I wonder if, when all of the dust has settled,
Atrial
fibrillation
is
almost
always
we will come to think of 2012 as the year
symptomatic in patients who are not rate
To be sure, dabigatran has been shown
when atrial fibrillation finally came of age?
controlled. But among patients who have
to be associated with some increase in
received adequate rate-control therapy,
gastrointestinal bleeding, especially in
to
atrial fibrillation frequently remains highly
the elderly, but this is not a feature of
prevent stroke has been around for many
symptomatic. Patients are often very
rivaroxaban therapy. It is probable that
years, protection has come with significant
breathless and tired from their arrhythmia,
these two drugs will be joined by a third
effort both for the patient and the health
although symptoms can often only be
agent, Apixaban, within the next six to
care provider. This began to change in
recognized in retrospect when atrial
nine months, and with these three drugs in
2011, and 2012 will see a flowering of
fibrillation has been corrected.
our therapeutic armamentarium, it will be
Although
warfarin
anticoagulation
possible to offer the majority of patients a
these changes. Before year’s end, we will probably have two or three alternatives to
With the increasing availability of effective
viable alternative to warfarin.
warfarin therapy, and this will likely be to
catheter-based and minimally invasive
Where Is Invasive Therapy in 2012?
our patient’s benefit.
surgical therapy for atrial fibrillation, it has
We have moved from an era of being able
become more worthwhile to try to restore
to offer a few patients with paroxysmal atrial fibrillation and minimal structural
Recurrences of atrial fibrillation are common, however, and patients frequently require more than one procedure to achieve success.
heart disease catheter-based pulmonary vein isolation to an era in which the vast majority of patients with symptomatic atrial fibrillation can be offered a tailored catheter-based, or minimally invasive
Catheter ablation first became available in
sinus rhythm and reap the symptomatic
surgical procedure with a reasonable
the mid-1990s, and it is hard to believe that
benefits that come with this.
prospect of success.
invasive procedure has so quickly come to
What of the New Anticoagulants?
The basis of catheter therapy for atrial
dominate the working lives of many elec-
The mainstay of anticoagulation, vitamin
fibrillation was the recognition that ablation
trophysiologists. With major advances in
K antagonism, is of proven benefit, but
of pulmonary vein tachycardias could
technology since the 1990s, it is now pos-
for many patients this is less than a
abolish paroxysmal atrial fibrillation. This
sible to offer a catheter-based or minimally
satisfactory therapy. For patients doing
approach was ineffective in the majority of
invasive procedure to the vast majority
poorly on warfarin, there has been little to
patients with persistent atrial fibrillation or
of patients with atrial fibrillation and give
offer except for the patient to soldier on or
paroxysmal atrial fibrillation in the context
them a reasonable prospect of a success-
to deny the patient the proven benefit of
of structural heart disease.
ful outcome. These are truly revolutionary
antithrombotic therapy.
the ability to treat atrial fibrillation with an
times in the atrial fibrillation world. With the introduction of the direct thrombin Why Is Arial Fibrillation Important?
inhibitor, dabigatran (Pradaxa) and the
The prevalence of atrial fibrillation in
factor Xa inhibitor rivaroxaban (Xarelto),
2011 is about five million, and we must
patients now have a real alternative. These
anticipate an exponential growth over the
orally active agents offer the same or better
next 15 to 20 years as the population ages.
prophylaxis against thrombotic stroke, with
With atrial fibrillation comes stroke, but the
an important reduction in the incidence
crippling quality-of-life issues that face so
of cerebral bleeding. No blood tests are
many patients are less well recognized.
required, and dosing is standard except in patients with impaired renal function.
14
The Triangle Physician
The catheter Maze operation.
After undergraduate medical education internship and residency at the University of Oxford in the United Kingdom Dr Mounsey did his Cardiac Electrophysiology Fellowship at the University of Virginia. He was on the faculty of the University of Virginia for many years before joining the University of North Carolina to head up the Cardiac Electrophysiology program. He is interested in the treatment of all kinds of heart rhythm disturbances. He is especially interested in catheter ablation of atrial fibrillation and ventricular tachycardia.
can be done using a minimally invasive
the vast majority of patients with atrial
thorascopic
fibrillation.
or
transdiaphragmatic
abdominal approach. A large amount of the surgery can be accomplished,
These then are exciting times indeed in the
and then under the same anesthetic an
atrial fibrillation world. Gone are the days
electrophysiologist can perform limited
when standard treatment for a patient with
catheter ablation to areas of the heart
atrial fibrillation was digoxin and warfarin.
inaccessible to the surgeon (Figure 2).
In the symptomatic patient, we can almost always offer amelioration of the symptoms
The addition of a combined epicardial and
with conversion to sinus rhythm, and with
endocardial approach to atrial fibrillation,
all patients we can offer meaningful stroke
the so-called hybrid approach to standard
prophylaxis, either with warfarin or with
catheter-based
one of the new direct thrombin or factor
techniques,
means
a
meaningful intervention is possible for
Xa inhibitors.
We have known for a long time that it was possible to interrupt atrial fibrillation in the majority of patients using an open surgical procedure – the MAZE procedure. With the advent of three-dimensional mapping techniques, it has become possible to recreate a version of the maze procedure using catheters that is effective in the majority of patients with structural heart disease, including severe cardiac failure (Figure 1). Recurrences of atrial fibrillation are common, however, and patients frequently require more than one procedure to achieve success. In addition, a proportion of patients will remain long term on an antiarrhythmic drug. Surgical approaches have emerged where a proportion of the MAZE operation
Womens Wellness half vertical.indd 1
12/21/2009 4:29:23 PM
february 2012
15
Your Financial Rx
Is It a Career or a Calling? By Paul Pittman, C.F.P.
“…for the first time in many years he was enjoying practicing medicine again.”
and was in tremendous angst and turmoil over the business side of his practice. He thought he was burned out. He actually dreaded going to work in the morning. Fast forward six months. We’re playing golf together, and he tells me that for the first time in many years he is enjoying
When it comes to choosing a career, I was
pact on me, and I will remember it forever.
practicing medicine again. This one
taught a long time ago that if you found
I had been working with this particular
statement not only made me feel very
something you truly loved and could also
client, a physician, for only about six
good, but also validated my own personal
make a living doing it, then you would be
months. We had painstakingly dissected,
calling.
very successful.
restructured and simplified his entire financial
situation,
streamlined
his
This physician told me he had been
Many people pick their employment path
payroll, billing and retirement plan, and
skeptical when his friend urged him to
out of responsibility, income potential or
dramatically lowered his investment risk
contact me months prior. He had been
just random luck. Few know from a very
working with a broker at a large firm for
early age exactly what they want to do with
many years, and he wondered what could
their lives.
be so different between his broker and this other guy (me). Reluctantly, yet willing to
Most health care professionals I have
take a new approach, he gave me a call.
met say they knew they wanted to be in that field for as long as they could
I remember the first time we met. He
remember. This is the difference
was cold and distant. For about an hour
between a career and a calling. A
and a half, I listened to him talk about
calling is an overwhelming attraction
money, insurance, employees, hospitals
to a specific purpose that you would
and overhead. After all of this, I asked
perform, if you could, for free.
him one simple question. “What made you decide to become a doctor?” The mood
When you are in medical school, you may
of the conversation shifted and his entire
discover the love of being a healer, but
personality changed. He literally lit up when
in the real world you find that so much
he talked about medicine. I had not asked
of your day is taken up with other tasks.
and expenses. We had spent many hours
These other tasks are important, and even
together in person, on the phone and
an integral part of running a successful
by email during the previous months.
Six months later, we’re on the golf course
practice, but it probably is not your calling.
All aspects of his financial life (personal,
together, and this physician confides that
business and family) were now crystal
now he feels more knowledgeable and
clear to him, his partners and his spouse.
in control. He doesn’t worry about the
I have been advising clients for more than 25 years now, and I recently was paid the
him one question about his finances.
financial side of his practice anymore. He
ultimate compliment from one of them.
This was a person who had come to me
especially likes that I never tried to sell him
This compliment made a tremendous im-
through the advice of a mutual friend
anything.
16
The Triangle Physician
Paul Pittman is a Certified Financial Planner™ with The Preferred Client Group, a financial consulting firm for physicians in Cary, N.C. He has more than 25 years of experience in the financial industry and is passionate about investor education. He is also a nationally sought-after speaker, humorist and writer. Mr. Pittman can be reached at (919) 459-4171 and paul.pittman@pcgnc.com. Email us If you would like to receive Paul’s Weekly Market Commentary.
I am no miracle worker. I leave that up to medical professionals, but I did one thing with him that I do better than anyone in the financial field; I listened, really listened. I didn’t have an agenda that a financial firm had expected from me, nor did I have any idea if
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I was going to be able to help him. I took the initial meeting out of respect for our mutual friend. That meeting actually uncovered not
NEWSOURCE-JUN10:Heidi
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12:57 PM
Page 1
only a working relationship, but also what I hope will be a lifelong friendship. This made me think about the physician
Do They Like What They See?
whose care I have been under for many years. His front office is not the warmest bunch in town. His support staff has long forgotten that they are in the health care field
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and I am a living, breathing person, not a file. But when I am on the paper sheet, dressed in a snappy gown meeting with this physician as a patient, he sits down
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with his yellow pad and just listens, really listens. He is not managing a business, filing payroll taxes, battling with insurance companies, making sure his retirement plan deposits are being made, worrying about the stock market, new government regulations, or how many patients he has to see to make a living. He is living his
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my calling.
february 2012
17
Cardiology
A Lifesaving Gift
New Cardiac Lead Is Doubly Beneficial By Kevin R. Campbell, M.D.
As November ended last year, the United
provide benefit to the patient.
States Food and Drug Administration approved the Quartet Left Ventricular
But two poles limited placement. The ideal
Quadripolar Pacing Lead.
location for the lead is very lateral in the left ventricle. That puts the lead near a nerve
Hardly a week later, I gave the first person
that controls the diaphragm, for instance.
in the Triangle region of North Carolina a
An impulse meant to stimulate the left
new lease on quality of life by implanting
heart might also activate the phrenic or
the revolutionary defibrillator ventricular
diaphragmatic nerve and cause a patient’s
lead in his chest at Johnston Medical
diaphragm to jump, hiccup-like.
Center. In fact, the patient was among the first 20 or so in the nation to receive the
Or suppose one of the poles was placed
“quad” lead.
near heart tissue destroyed by a prior heart attack. Dead heart muscle will not respond
Invented by St. Paul, Minn.-based St. Jude
to the electrical pulse.
Medical Inc., the quad lead gives cardiac electrophysiologists a range of new options
The new lead has not two, but four metal,
for re-synchronizing hearts that suffer from
contacts or poles – quadipolar. Because of
pump failure.
the nature of a defibrillator, the doubling of potential electrical poles in the ventricular
Biventricular defibrillators save millions of
lead results in a quadrupling of possible
patients facing sudden cardiac failure and
contact pairings – and, thus, possibilities
congestive heart failure. The tiny, implant-
for successfully placing a lead in a
able devices deliver an electrical shock
favorable position.
during a cardiac arrest that returns the heart beat to normal rhythm. Without the
The benefits are wide ranging. Some
defibrillation shock, patient mortality ap-
patients need more energy to effectively
proaches 90-plus percent. In contrast, the
pace the lead in the left ventricular
device can reduce heart failure symptoms
position. That can drain a defibrillator’s
by pacing the left and right ventricles in a
battery more quickly and, thus, require
synchronous manner.
more frequent surgeries to replace the device. More pacing possibilities means
The electrical circuit in the left ventricular
lower voltage required to successfully
lead involves two separate electrical poles
resynchronize the heart and, thus, longer
that serve as an anode (positive) and a
battery life.
cathode (negative). These poles are often in a particularly tricky spot in the chest.
Similarly, a lead placed too close to the
Until November, the second ventricular
nerve to the diaphragm could require a
lead, called the left ventricular or coronary
second surgery to reposition the lead, or
sinus lead, had just two metal poles –
the left ventricular lead may need to be
bipolar – that had to be placed in a lateral
disabled. For a person facing heart failure,
position within the left heart in order to
both are daunting options.
18
The Triangle Physician
Dr. Kevin R. Campbell, a board-certified cardiologist, is a specialist in electrophysiology and speaks nationally on prevention of sudden cardiac death in women. He received his medical degree at Bowman Gray School of Medicine at Wake Forest University and completed his residency at the University of Virginia and a fellowship in cardiovascular disease and electrophysiology at Duke University Medical Center. WHV-Wake Heart & Vascular, the state’s largest independent cardiology practice, is recognized nationally in a number of areas, including advanced electrophysiology procedures and radial cardiac catheterization/interventional procedures. Three WHV physicians recently were cited as 2011-2012 Best Doctors in America.
Johnston Medical stood at the vanguard of this revolutionary technology because of its dedication to bringing cutting-edge technology to patients. It is one of the few community hospitals in the state to offer radio-frequency ablation, for instance. It helped that my practice, WHV-Wake Heart & Vascular, is involved in numerous research studies. We know about potential procedures even before they are approved, which means this quiet corner of a largely rural county had access to cutting-edge medicine long before patients in North Carolina’s most medical-savvy cities. It meant a wonderful Christmas gift for one patient last December at Johnston Medical.
News
Prescription-Dispensing Program Results in Improved Outcomes and Much More Physicians’ Own Pharmacy (POP Medical)
Save patients time and money. Patients
Americans would have their prescription
offers a point-of-care pharmaceutical dis-
who are sick, in pain, post-op or simply too
filled in their doctor’s office instead of a
pensing program that is a convenient and
busy will appreciate the convenience and
pharmacy if given the choice.
cost-effective method for supplying patients
security that comes with receiving their
with the medications they need at the time of
medications directly from their health care
POP Medical provides a point-of-care
their office visit.
provider. This program also offers patients
dispensing
a time-saving alternative to long waits at the
medications, both name brand and generics.
pharmacy.
Applying innovative technology and a
Many practices today are writing more
solution
for
prepackaged
pharmacist-verified system, a practice’s
prescriptions than they are ordering labs and X-rays, etc. Yet these scripts generate no
Increase physician income. Medication
staff members are able to give patients
revenue to one’s practice.
dispensing is a significant way to generate
medications quickly and safely.
additional income for a physician’s practice. POP Medical’s physician-dispensing model
With net revenue ranging from $5-$10 per
A
is designed to preserve the entire treatment
prescription dispensed using the POP
flexibility to meet a practice’s dispensing
process within the practice, improve
Medical model, an active in-office dispensing
needs. Using bar code technology, a
compliance and enhance the “trust factor”
program can strengthen the practice’s
pharmacist verifies the medication for each
that inherently comes with a full-service
bottom line.
bottle dispensed. Once verified by POP
formulary
assures
Medical’s pharmacist, a patient-specific label
practice. Improve treatment compliance to imKey benefits include:
practice-specific
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prove patient outcomes. AARP studies
• Continuity and quality of care
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The POP Medical system is fully secure,
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tions go unfilled each year. In-office medica-
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• Enhanced revenue stream
tion dispensing ensures patients have their
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• Seamless and efficient turn-key operation
medications in hand before leaving the phy-
allowing physician practices to:
• No startup cost or inventory to purchase
sician’s office.
•T rack patient use and dispensing history •C omplete real-time inventory management •R eceive monthly, custom reporting
National averages indicate that physicians
Growing Trend
write two prescriptions per patient visit and
Declining reimbursement rates and the
see 20 patients a day. Patients then take
emergence
those prescriptions to a local pharmacy
care is leading doctors to explore ancillary
for fulfillment. POP Medical enables a
services designed to heighten the patient
physician’s practice to fill most prescriptions
experience and capture revenue that has
POP Medical offers a seamless turn-key
in the office, thereby generating significant
been traditionally referred outside of the
program that includes real-time insurance
new revenues for the practice and providing
practice.
adjudication, pharmacist-verified and claims
of
consumer-driven
health
•B enefit from automated inventory control based on preset min-max inventory controls
processing. Electronic adjudications make
an added service to its patients. A growing number of practices are offering a
it possible to electronically submit and
The POP Medical solution covers name
dispensing option, which is reportedly easy
receive payment from virtually any insurance
brand and generic drugs. Using the turn-key
to implement, cost effective and differentiates
company, including Medicare and Medicaid,
Dispensing Solution program, the practice is
the practice from others. Manhattan Research
in much the same way a pharmacy does.
furnished with the prepackaged medication
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february 2012
19
UNC Research News
HIV Prevention Research Named Scientific Breakthrough of the Year The HIV Prevention Trials Network 052
pharmacologists and physicians has been
global fight against AIDS. They are wonder-
study, led by Myron S. Cohen, M.D. of the
working on the idea that antiretrovirals
ful examples of how Carolina’s faculty con-
University of North Carolina at Chapel Hill,
might make people less contagious,” said
duct research that saves lives.”
has been named the 2011 Breakthrough of
Dr. Cohen, who is distinguished professor
the Year by the journal Science.
of medicine, microbiology and epidemiol-
Since their release, the study results have
ogy at UNC. “By 2000, the UNC study team
been reverberating throughout the policy
HPTN 052 evaluated whether antiretroviral
thought the idea was strong enough to try to
community. U.S. and international organi-
drugs can prevent sexual transmission of
prove it. This idea eventually became HPTN
zations, such as the World Health Organi-
HIV among couples in which one partner
052,” he said.
zation, the President’s Emergency Plan for AIDS Relief and the Joint United Nations
has HIV and the other does not. The research found that early treatment with anti-
It would be another five years before re-
Programme on HIV/AIDS, have incorpo-
retroviral therapy reduced HIV transmission
searchers from the HIV Prevention Tri-
rated or soon will incorporate “treatment as
in couples by at least 96 percent.
als Network started enrolling people in
prevention”– the strategy proved by HPTN
the study, eventually nearly 2000 couples
052 – into their policy guidelines for battling
The study was funded by the National In-
at 13 sites in nine countries. In May 2011,
the AIDS epidemic.
stitute of Allergy and Infectious Diseases
four years before the study’s scheduled
(NIAID), part of the National Institutes of
completion, an outside monitoring board
“While I am obviously thrilled to have this
Health.
requested that the results be released
research recognized as the Science break-
immediately, because they were so over-
through of the year,” Dr. Cohen said, “wit-
whelmingly positive.
nessing the translation of this scientific
The editors at Science, the flagship publi-
discovery on a global scale truly is the best
cation of the American Academy for the Advancement of Science, said in its an-
“Prevention of HIV-1 Infection with Early An-
nouncement that “In combination with oth-
tiretroviral Therapy” was published Aug. 11
er promising clinical trials, the results have
in the New England Journal of Medicine.
reward.” The research was conducted by the HIV Prevention Trials Network, which is funded
galvanized efforts to end the world’s AIDS epidemic in a way that would have been in-
Jon Cohen, a writer for Science, said in an
by NIAID, with additional funding from the
conceivable even a year ago. ‘The goal of
article about the breakthrough, “HPTN 052
National Institute on Drug Abuse and the
an AIDS-free generation is ambitious, but it
has made imaginations race about the what-
National Institute of Mental Health, both
is possible,’” United States Secretary of State
ifs like never before, spotlighting the scien-
part of the National Institutes of Health. Ad-
Hillary Clinton told scientists last month.
tifically probable rather than the possible.”
ditional support was provided by the NIAIDfunded Adult AIDS Clinical Trials Group.
The HPTN 052 study is proof of a concept
UNC-Chapel Hill Chancellor Holden Thorp
more than 20 years in the making. “From the
said, “We’re proud that Science magazine
The complete list of top 10 scientific break-
time the first AIDS drugs were developed in
has recognized Mike Cohen and his col-
throughs of the year was published online.
the mid-1990s, our UNC team of virologists,
leagues for such inspiring leadership in the
Diets High in Fiber Won’t Protect Against Diverticulosis For more than 40 years, scientists and
colon wall. A new study of more than 2,000
Chapel Hill School of Medicine, found
physicians have thought eating a high-
people reveals the opposite may be true.
that consuming a diet high in fiber raised,
fiber diet lowered a person’s risk of
rather than lowered, the risk of developing
diverticulosis, a disease of the large
The study, conducted by researchers
diverticulosis. The findings also counter
intestine in which pouches develop in the
at the University of North Carolina at
the commonly held belief that constipation
20
The Triangle Physician
UNC Research News increases a person’s risk of the disease.
bowel movements and reduce the risk
fewer than seven bowel movements per
of diverticulosis. This recommendation
week, individuals with more than 15 bowel
“Despite the significant morbidity and
is based on the idea that a low-fiber
movements per week were 70 percent
mortality of symptomatic diverticulosis,
diet will cause constipation and, in
more likely to develop diverticulosis.
it looks like we may have been wrong for
turn, generate diverticula as a result of
decades about why diverticula actually
increased pressure in the colon. However,
The study found no association between
form,” said Anne Peery, M.D., a fellow in the
few studies have been conducted to
diverticulosis and physical inactivity or
gastroenterology and hepatology division
back up that assumption. “Our findings
intake of fat or red meat. The disease’s
at UNC and the study’s lead researcher.
dispute commonly held beliefs because
causes
The study appears in the February 2012
asymptomatic diverticulosis has never
researchers believe gut flora may play a
issue of the journal Gastroenterology.
been rigorously studied,” said Dr. Peery.
role.
“While it is too early to tell patients what to
The UNC study is based on data from
Dr.
do differently, these results are exciting for
2,104 patients aged 30-80 years who
needed before doctors change dietary
researchers,” said Dr. Peery. “Figuring out
underwent outpatient colonoscopy at
recommendations, but the study offers
that we don’t know something gives us the
UNC Hospitals from 1998-2010. Participants
valuable insights on diverticulosis risk
opportunity to look at disease processes in
were interviewed about their diet, bowel
factors. “At this time, we cannot predict
new ways.”
movements and level of physical activity.
who will develop a complication, but if we
Diverticulosis affects about one-third of
“We were surprised to find that a low-
diverticula form we can potentially reduce
adults over age 60 in the United States.
fiber diet was not associated with a higher
the population at risk for symptomatic
Although most cases are asymptomatic,
prevalence of asymptomatic diverticulosis,”
disease,” said Dr. Peery.
when
remain
Peery
said
unknown,
more
but
research
the
is
can better understand why asymptomatic
they
said Dr. Peery. In fact, the study found
can be severe, resulting in infections,
complications
develop
those with the lowest fiber intake were 30
UNC co-authors include Patrick Barrett,
bleeding, intestinal perforations and even
percent less likely to develop diverticula
Doyun Park (currently at Albert Einstein
death. Health care associated with such
than those with the highest fiber intake.
College of Medicine), Albert Rogers,
complications costs an estimated $2.5 billion per year.
Joseph
Galanko,
Christopher
Martin
The study also found constipation was not
and Robert Sandler, gastroenterology &
a risk factor and that having more frequent
hepatology division chair. The research
Since the late 1960s, doctors have
bowel movements actually increased a
was supported by grants from the National
recommended a high-fiber diet to regulate
person’s risk. Compared to those with
Institutes of Health.
Study Could Lead to Treatment for Angelman Syndrome Results of a new study from the University
sleep disturbance, and motor and balance
electrical or chemical signals to other
of North Carolina at Chapel Hill may
disorders. Individuals with the syndrome
neurons via the synapse.
help pave the way to a treatment for a
typically have a happy, excitable demeanor
neurogenetic disorder often misdiagnosed
with frequent smiling, laughter and hand
Angelman syndrome is linked to mutations
as cerebral palsy or autism.
flapping.
or deletions in the Ube3a gene inherited
Known as Angelman syndrome, or AS, its
No effective therapies exist for AS, which
allele. In most tissues of the body, both
most characteristic feature is the absence
arises from mutations or deletions of the
the maternal and paternal alleles are
or near absence of speech throughout the
gene Ube3a on chromosome 15. The
expressed. But in rodents and humans, the
person’s life. Occurring in one in 15,000
Ube3a protein produced by the gene is a
paternal Ube3a allele is intact but silent, or
live births, other AS characteristics include
key component of a molecular pathway
dormant.
intellectual and developmental delay,
that is very important to all cells, especially
severe intellectual disability, seizures,
brain neurons by helping them pass
from the mother; thus, the maternal
What
apparently
accounts
for
the
february 2012
21
UNC Research News dormancy of that allele is a strand of
handling
ribonucleic acid known as antisense RNA,
download/robotLab2011.php).
(see
http://pdspdb.unc.edu/
chromosome 15 are associated with clas-
which in terms of gene expression keeps paternal Ube3a silenced, or off.
Once
DNA copies, or duplications, in maternal sic forms of autism. “If you have too little
Using a library of United States Food and
Ube3a you have Angelman syndrome. If
referred to as the genome’s “dark matter,”
Drug
the maternal allele is duplicated, it might
antisense RNA makes no functioning gene
obtained from the National Institutes of
product, but works to repress expression
Health (the National Institutes of Health
of another gene by binding to its RNA.
Clinical Collection), the UNC team dis-
Drs. Zylka and Philpot caution against
Administration-approved
drugs
be a contributing factor to autism.”
covered that irinotecan, a topoisomerase
using topoisomerase inhibitors now to
“We wanted to determine if there could
inhibitor known to be active in the central
treat Angelman syndrome, given the limits
be a way to ‘awaken’ the dormant allele
nervous system – robustly “awakened”
of current knowledge.
and restore Ube3a expression in neurons,”
Ube3a. Subsequently, the team identified
said neuroscientist Benjamin D. Philpot,
the FDA-approved medication topotecan
“We’d like to stress that these compounds
Ph.D., associate professor of cell and
and several other topoisomerase inhibitors
are not ready to be used clinically for
molecular physiology, one of three senior
as drugs which can “awaken” Ube3a.
Angelman syndrome,” Dr. Zylka said. “We
investigators in the study and a member of the UNC Neuroscience Center.
don’t know what the off-target effects might “When we gave topotecan to these neurons
be on a gene or genes with similar DNA
they would now glow, indicating that the
sequences. We need to figure out optimal
In a report of the research published
paternal allele was now on,” Dr. Philpot
concentrations and dosing before we move
online Dec. 21 in the journal Nature, the
said. Topotecan apparently awakened the
to clinical trials. And we need to determine
interdisciplinary team of UNC scientists
dormant Ube3a allele by down-regulating,
which drug is best.”
says it has found a way to “awaken” the
or reducing, antisense RNA in the
paternal allele of Ube3a, which could lead
paternal copy of Ube3a, the researchers
For people to use these drugs now for
to a potential treatment strategy for AS.
determined.
Angelman syndrome, without further
“We have taken advantage of a tool that
When topotecan was given to the
Dr. Philpot said, “one that could jeopardize
allows us to distinguish between active
genetically engineered mice, “it unsilenced
successfully bringing these compounds to
and inactive alleles,” Dr. Philpot said. “That
the paternal Ube3a allele in several regions
clinical trials.”
tool is a modified mouse that’s engineered
of the nervous system, including neurons
so that the Ube3a gene has a fluorescent
in several areas of the brain and in the
Along with Drs. Philpot, Zylka and Roth,
‘reporter’ gene attached to it, which tells
spinal cord,” the authors stated. These
co-authors from UNC were Hsien-Sung
you when the gene is on or when it’s
findings also held true for irinotecan.
Huang, John A. Allen, Angela M. Mabb,
preclinical studies, might be a health risk,
off. When the gene is on, neurons will
Ian F. King, Jayalakshmi Miriyala, Bonnie
fluoresce in yellow, but won’t when the
Importantly,
the
Taylor-Blake, Noah Sciaky, J. Walter Dutton
gene is off.”
unsilenced paternal Ube3a was functional
Jr., Hyeong-Min Lee, Xin Chen, Jian Jin and
and was expressed by the gene in amounts
Arlene S. Bridges.
the
protein
from
Other “tools” available on the UNC campus
comparable to that of normal maternal
come from study senior author Bryan
Ube3a in control animals.
The research was supported in part by
L. Roth, M.D., Ph.D., Michael Hooker
funds from the Angelman Syndrome
distinguished professor of pharmacology
The
co-author,
Foundation, the Simons Foundation, the
and translational proteomics and director
neuroscientist Mark J., Zylka, Ph.D.,
National Institute of Mental Health, the
of the National Institute of Mental Health
assistant professor of cell and molecular
National Eye Institute, the National Institute
Psychoactive Drug Screening Program.
physiology and a UNC Neuroscience
of Neurological Disorders and Stroke,
These include highly automated robotics
Center member, said the study is “the first
the National Institute of Mental Health
of the sort normally found in major
example of a drug that regulates antisense
Psychoactive Drug Screening Program and
pharmaceutical companies: fluid-handling
RNA and, as a result, regulates (protein)
the North Carolina TraCS Institute, funded
robotics
levels of a coding gene.”
by the NIH Clinical and Translational
and
automated
high-content
study’s
third
senior
imaging that combine the molecular tools
Science Awards (CTSA).
of modern cell biology with automated
According to Dr. Philpot, the increased sci-
high-resolution microscopy and robotic
entific interest in Ube3a is because certain
22
The Triangle Physician
Duke News
Da Vinci Si Surgical System Arrives at Durham Regional Hospital Durham Regional Hospital has introduced
complex surgical procedures using the da
the da Vinci Si Surgical System to its
Vinci Si.”
•N ew ergonomic settings for greater surgeon comfort.
operating room. The hospital is currently using robotic
“Durham Regional has always been
The da Vinci Si is a state-of-the-art surgical
surgery for many procedures, including
committed to providing patients with
robot that provides patients with all the
but not limited to – fibroid removal,
the safest, minimally invasive options for
benefits of a minimally invasive procedure.
hysterectomy, weight loss surgery and
treatment,” said Craig Sobolewski, M.D.,
For many patients, this means an easier
kidney surgery.
chief of the division of minimally invasive
recovery, less postoperative pain, a shorter hospital stay and smaller scars.
gynecologic surgery. “The da Vinci Si Features of the da Vinci Si include:
Surgical System provides our surgeons
•E nhanced three-dimensional, high-
with the most sophisticated tools currently
“Robotic surgery is one of the most
definition vision of operative field with
available. This technology further enables
effective, least invasive surgical treatments
up to 10x magnification.
us to continue to give our patients the
available,” said Lisa Pickett, M.D., chief medical officer, Durham Regional Hospital. “Thanks to the generous support of our Durham Hospital Corporation Board, we now offer our surgeons unparalleled precision, dexterity and control for many
• S uperior visual clarity of tissue and anatomy.
surgeries.”
• S urgical dexterity and precision far greater than the human hand.
For more information about Durham
•U pdated and simplified user interface to enhance operating room efficiency.
WakeMed News
WakeMed Cary Hospital is celebrating
1,200 employees and a medical staff of more
its 20th anniversary and recognizing its
than 700 physicians. Within the last year,
advances since that first day of service Dec.
WakeMed Cary Hospital’s: • Emergency department saw more than 41,600 patients.
Center, which is today WakeMed Cary Hospital, featured 80 inpatient beds, eight
more than 2,470 babies. • Surgical services performed more than 9,700 procedures.
intensive care beds and six operating
• Cardiovascular care continues to grow
rooms. Ancillary services included a lab
in volume and types of procedures
and radiology. In the first year, the hospital had 300 physicians on its medical staff, 200 employees and 250 volunteers.
performed. • Nursing
units
March
Men’s Health – Vision New Medical Devices
April
Women’s Health Marketing Your Services
May
June
Neurology – Sleep Apnea
July
• Women’s Pavilion & Birthplace delivered Upon opening, Western Wake Medical
durhamregional.org.
Orthopedics – Medical Insurance
16, 1991, when 10 patients were treated in the admitted into the hospital.
Regional’s da Vinci Si System, visit www.
The Triangle Physician 2012 Editorial Calendar
Cary Hospital Celebrates 20 Years of Care emergency department and one patient was
best possible chance for less invasive
continue
to
provide
outstanding care with more than 10,500 patient discharges in fiscal year 2010.
Today, WakeMed Cary Hospital serves Cary and the surrounding western Wake County
Learn more about WakeMed Cary Hospital
communities with 156 inpatient beds, nearly
by visiting www.wakemed.org.
New Imaging Technologies Electronic Medical Records
August
Digestive Disease Computer Technologies
September
Sports Medicine – Physical Therapy
October
Breast Cancer Reconstructive Surgery
November
Urology – Robotic Surgery
December
Pain Management february 2012
23
Duke News
Joint Commission Awards Primary Stroke Center Certification After undergoing an onsite evaluation and
United States, with about 4.7 million stroke
– in 2003. A list of programs certified by
demonstrating compliance with nationally
survivors alive today.
The Joint Commission is available at www.
developed standards for stroke care, Durham Regional Hospital has earned The Joint Commission’s Gold Seal of Approval
qualitycheck.org. In stroke care, time until treatment is critical. “By achieving certification as a Primary
Founded in 1951, The Joint Commission
Stroke Center, Durham Regional Hospital
seeks to continuously improve health
has proven it has the ability to provide
care for the public, in collaboration with
“We’re proud to achieve this distinction
effective, timely care to stroke patients
other stakeholders, by evaluating health
from The Joint Commission,” said Kerry
and significantly improve outcomes for
care organizations and inspiring them to
Watson,
for certification as a primary stroke center.
Hospital
stroke patients,” said Jean E. Range, M.S.,
excel in providing safe and effective care
president. “We are pleased to have
Durham
Regional
R.N., C.P.H.Q., executive director, Disease-
of the highest quality and value. The Joint
The Joint Commission recognize our
Specific Care Certification, The Joint
Commission evaluates and accredits more
commitment to providing the best possible
Commission.
than 18,000 health care organizations
care to our patients and our community.”
and programs in the United States. An The Joint Commission’s Primary Stroke
Each year about 795,000 people experience
Center Certification is based on the
a new or recurrent stroke, which is the
recommendations
nation’s third leading cause of death. On
centers published by the Brain Attack
average, someone suffers a stroke every
Coalition
40 seconds and someone dies of a stroke
Association’s statements and guidelines
every 3.1 minutes. Stroke is a leading
for stroke care. The Joint Commission
cause of serious, long-term disability in the
launched the program – the nation’s first
and
for
the
primary American
stroke Stroke
independent, not-for-profit organization, The Joint Commission is the nation’s oldest and largest standards-setting and accrediting body in health care. Learn more about The Joint Commission at www. jointcommission.org.
Palm Vein Scanning Improves Patient Identification Durham Regional Hospital is now using
of identification, it offers yet another
Palm vein scanning is more accurate than
innovative palm vein scanning technology
safeguard to ensure we provide the right
fingerprint matching or facial recognition,
to register and identify patients.
care to the right patient.”
and because palm vein patterns are unique and never change, the technology protects against identity theft.
Intended to be faster, safer and more
Using harmless, near-infrared light, a
convenient than traditional registration,
scanner illuminates the unique vein
the PatientSecure Palm Vein Biometric
pattern in a patient’s hand. From that vein
Enrollment in the PatientSecure system
Identification System is designed to ensure
pattern, the PatientSecure system creates
takes only a couple of minutes. To enroll,
the right care is provided to the right
an encrypted digital code, which is linked
a patient places his right hand flat against
patient every time.
to a patient’s electronic health record.
a scanner and presents two forms of
Scans for registration and identification are
photo ID, such as a driver’s license and
complete in seconds, and once enrolled, a
employment ID. Children as young as five
patient’s medical record can be retrieved at
years of age can be scanned. Traditional
any Duke medical facility.
registration will still be available for
“This technology will transform our patients’ registration experience,” said Jonathan Hoy, chief financial officer for Durham
Regional.
“Providing
patients who choose not to take advantage
quality,
safe health care starts with accurate
In addition to being more convenient than
identification. Palm vein scanning is not
traditional registration, the PatientSecure
only simpler and faster than other means
system is safer, according to Mr. Hoy.
24
The Triangle Physician
of this technology.
News
Region’s Fellows Recognized for Advancing Science Scientists in the Triangle region were among 539 granted fellows of the
“All of these individuals are world-class scientists, who have made
American Association for the Advancement of Science.
discoveries that drive their fields forward,” said Nancy Andrews, M.D., dean of the Duke University School of Medicine, in a Duke University
The American Association for the Advancement of Science (AAAS) is
news advisory. “With this honor, they join a very distinguished group of
awarded for scientifically or socially distinguished efforts to advance
scientific leaders. We are very fortunate to have so many people of this
science or its applications. The 2011 fellows were elected by the AAAS
caliber on our faculty.”
Council in November and will be awarded in a ceremony at the Fellows Forum, during the AAAS Annual Meeting in Vancouver, British Columbia,
“These are all outstanding scientists whom we are proud to have as
in February.
colleagues,” said Sally Kornbluth, Ph.D., vice dean for basic science at Duke University School of Medicine. “They are also terrific citizens
The new AAAS fellows from Duke University Medical Center are:
and leaders who make important contributions to the life of the Duke
Richard Brennan, Ph.D., chair of the Duke Department of Biochemistry,
community.”
in the area of structural biology and his work deciphering mechanisms of gene expression and multi-drug resistance.
2011 AAAS fellows from the University of North Carolina at Chapel Hill were awarded for contributions in biological sciences. They are: Henrik
Bryan Cullen, Ph.D., professor of molecular genetics and
G. Dohlman, William E. Goldman, Fernando Pardo-Manuel de
microbiology, in the field of virology, particularly for studies on human
Villena, Nancy Raab-Traub, Jeff Sekelsky and Yue Xiong.
immunodeficiency virus and his role of microRNAs in viral pathogenesis. New AAAS fellows from the North Carolina State University were awarded Mariano Garcia-Blanco, M.D., Ph.D., professor of medicine and
for contributions in physics. They are Harald Ade and Jerzy Bernholc.
professor of molecular genetics and microbiology, $in RNA biology, and particularly for unraveling the importance of RNA-protein interactions that
AAAS is the world’s largest general scientific society and publisher of the
regulate messenger RNA splicing and control pathogenic RNA viruses.
journal Science, among others.
Sue Jinks-Robertson, Ph.D., professor of molecular genetics and microbiology, in the fields of genetics and molecular biology, particularly for advancing the understanding of basic mechanisms of mutagenesis and homologous recombination of chromosomes. Donald McDonnell, Ph.D., Glaxo-Wellcome Professor of Molecular and Cellular Biology and chair of the Duke Department of Pharmacology and Cancer Biology, for research that has provided fundamental insights into the molecular mechanisms underlying the pharmacological activities of nuclear receptor ligands in physiology and disease. From Duke University, the new AAAS fellows are: Ingrid Daubechies, Ph.D., James B. Duke Professor of Mathematics, for her seminal work in wavelets, as well as significant contributions in the area of signal processing, quantum mechanics, discrete geometry and applied mathematics. Xinnian Dong, Ph.D., professor of biology, for her research on the interactions of plants and microbes, and for her service to the American Society of Plant Biologists and the journal Plant Cell. Dan Kiehart, Ph.D., chair of the department of biology, for his contributions to developmental biology through detailed study of the embryonic development of fruitflies.
february 2012
25
Duke News
Joint Replacement Program Awarded Gold Seal of Approval Durham Regional Hospital has earned The
has demonstrated its commitment to
organization to the next level and helps
Joint Commission’s Gold Seal of Approval
the highest level of care for the patients
create a culture of excellence. This is a
for its joint replacement program by
in their joint replacement program,”
major step toward maintaining excellence
demonstrating compliance with The Joint
says Jean Range, M.S., R.N., C.P.H.Q.,
and continually improving the care we
Commission’s national standards for health
executive director, Disease-Specific Care
provide.”
care quality and safety in disease-specific
Certification,
care.
“Certification is a voluntary process and I
The Joint Commission’s Disease-Specific
The
Joint
Commission.
commend Durham Regional Hospital for
Care Certification Program, launched
Durham Regional underwent a rigorous
successfully undertaking this challenge
in 2002, is designed to evaluate clinical
on-site survey Dec. 12. An orthopedic
to elevate its standard of care and instill
programs across the continuum of care.
Joint Commission surveyor evaluated the
confidence in the community it serves.”
Certification requirements address three
hospital for compliance with standards
core areas: compliance with consensus-
of care specific to the needs of joint
“With Joint Commission certification,
based national standards, effective use of
replacement
families,
we are making a significant investment
evidence-based clinical practice guidelines
including infection prevention and control,
in quality on a day-to-day basis,” says
to manage and optimize care, and an
leadership and medication management.
Kerry Watson, Durham Regional Hospital
organized
president. “Achieving Joint Commission
measurement and improvement activities.
“In
patients
achieving
Joint
and
Commission
certification for our total joint program
certification, Durham Regional Hospital
provides us a framework to take our
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26
The Triangle Physician
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News
Oncologist Joins Rex Cancer Center of Wakefield Hematologist and medical oncologist
and went on to complete his residency in
opportunity to observe not only his clinical
Nirav Dhruva, M.D., has joined Rex
internal medicine at the University of North
expertise but his compassion and care for
Hematology Oncology and will be located
Carolina at Chapel Hill (UNC-CH). Dr. Dhruva
his patients. Dr. Dhruva’s experience in a
at Rex Cancer Center of Wakefield.
also completed a fellowship in hematology
community satellite setting will benefit our
and medical oncology at UNC-CH.
patients and our Wakefield center as we
Dr. Dhruva is board certified in internal medicine,
hematology
and
continue to see more patients diagnosed
medical
“Dr. Dhruva performed a rotation at
oncology. His clinical research includes
Rex’s main campus during his clinical
studies related to lung, breast and skin
fellowship at UNC,” said Vickie Byler,
Rex Cancer Center of Wakefield reportedly
cancers. He earned a medical degree from
director of the Rex Cancer Center. “This
saw a 20 percent increase in new patients.
the Medical College of Georgia in Augusta
gave the physicians and co-workers the
with cancer.”
WakeMed Establishes New Pulmonology Practice WakeMed Health & Hospitals has added
and more. Both physicians have critical
The two physicians are accepting new
pulmonology to its range of specialty phy-
care experience and also treat inpatients
patients and most major insurance plans.
sician practices.
at Cary Hospital through the intensivist
More information is available online at
program.
www.wakemedphysicians.com or by call-
The Wake Specialty Physicians-Pulmonol-
ing (919) 350-2700.
ogy office is adjacent to WakeMed Cary Hospital and features two physicians: Sangeeta Joshi, M.D., and Sanjay Patel, M.D., MPH.
Managing your patients’ health is your life’s work. Managing physicians’ wealth is mine.
The practice is committed to helping patients work through the diagnosis and treatment of medical problems related to the lungs and respiratory system. “Nationwide, there is a shortage of pulmonologists. For patients with respiratory diseases, access to a pulmonologist is critical for managing chronic diseases and potentially avoiding hospitalization,” said Bill Atkinson, Ph.D., M.P.H., M.P.A., WakeMed president and chief executive officer. Drs. Joshi and Patel are board certified and specialize in managing chronic and acute respiratory conditions, such as lung disease, emphysema and chronic obstructive pulmonary disease, respiratory failure, allergies and asthma, lung injuries
Financial Rx for Physicians: • • • • •
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february 2012
27
News
Rolesville Family Practice Joins Physician Network
Welcome to the Area
Physicians Lloyd Maurice Alderson,MD Brain Tumor Center at Duke Durham
Joseph Brian Borawski,MD Emergency Medicine Duke University Hospitals Durham
Krista Everett Evans,MD
Rolesville Family Practice is the newest primary care practice to join Triangle Physician Network
General Surgery University of North Carolina Hospitals, Chapel Hill
Eldesia LaBren Granger,MD
(TPN).
Internal Medicine, Pediatrics University of North Carolina Hospitals Chapel Hill
It is led by board-certified family
Oksana Kantor,MD
physician Robert P. Taylor, M.D., who established the practice with a mission to deliver quality care in a respectful environment. Dr. Taylor provides comprehensive family care for patients starting at
age
five,
immunizations,
Anesthesiology AA of NC, Raleigh
Daisuke Francis Nonaka,MD Anesthesiology UNC Healthcare, Dept of Anesthesiology, Chapel Hill
Lana Sue O’Neal,MD Durham
Morrisville
Physician Assistants
Stephen Andrew Telloni,MD
Charles Wesley Bell,PA
Internal Medicine University of North Carolina Hospitals Chapel Hill
Family Medicine FastMed Urgent Care
Christopher Michael Terry,MD
Family Medicine
Steven Seth Shay,MD
Abigail Claudia Bivans,PA
Anesthesiology University of North Carolina Hospitals Chapel Hill
Marisa Galavotti,PA
Hadley Ann Trotter,MD
Trudy Jo Kerlin,PA
Emergency Medicine University of North Carolina Hospitals Chapel Hill
Geriatric Medicine Doctor’s Making Housecalls
Daniel Wayne Vande Lune,MD
Family Medicine
Jessica R Ling,PA
University Orthopaedics and Sports Medicine Smithfield
Gina Elizabeth Mauldin,PA
Seth Robert Yarboro,MD
Daniel McKearney,PA
Orthopedic Surgery University of North Carolina Hospitals, Chapel Hill
Family Medicine Health Zone Medical Center
Sarah Wistran Young,MD
Family Medicine
Neurology Duke Neurology of Raleigh
Dana Ann Shumate,PA
Internal Medicine West End
preventive care, minor surgical care and home visits.
Upcoming Event
TPN is a physician-led, notfor-profit, joint effort between University
of
North
Carolina
Health Care System and Rex Healthcare. The network consists of more than 23 practices and 75 physicians who deliver a full-range of primary care and specialty services to Raleigh, Durham,
Chapel
Hill
and
surrounding areas. TPN primary care
practices
coordinate
with the health care system’s electronic medical records and operational support, as well as specialty and sub-specialty care providers. For more information, visit www.tpnmd.org. Rolesville Family Practice’s office is located at 102 Southtown Circle in Rolesville. To schedule an appointment, call (919) 554-9412 or learn more about the practice at www. rolesvillefamilypractice.com.
28
The Triangle Physician
Chapel Hill’s Big Running Event in April to Benefit UNC Lineberger For a second year, the Wells Fargo Tar Heel 10 miler and Fleet Feet 4+ mile run will benefit UNC Lineberger Comprehensive Cancer Center April 21. Runners can register online at http://tarheel10miler.com and enter the code “beatcancer5” to donate $5 per entry to cancer research and treatment in our community. A $30 donation to the cancer center will be made for each volunteer who affiliates with UNC Lineberger. “Thank you to Endurance Magazine for once again choosing UNC Lineberger as a charity partner,” said Shelley Earp, M.D., UNC Lineberger’s director.
“Our missions are aligned; we are all working to make Chapel Hill and North Carolina healthier.” The races attracted more than 3,500 runners to Chapel Hill this past April. Among the crowds were UNC researchers, doctors, nurses and other staff – all running a hilly course to benefit cancer research and treatment at UNC Lineberger Comprehensive Cancer Center. Overall, more than $10,000 was raised for the cancer center’s programs. Runners wishing to raise more for UNC Lineberger should watch the cancer center’s Facebook page for information on how to set up their own individual or team fund-raising website.
“More than a doctor. Like a friend.”
We know it by heart.
Trust. WHV is an independent group of heart specialists with locations throughout Eastern North Carolina - ready to provide the care for your patient’s heart when and where they need it. We’ve been pioneering and delivering innovative cardiovascular care for over 25 years. Through our affiliation with UNC Health Care, our physicians can also tap into the latest research and expertise associated with a world-class academic institution. And this in turn allows all our patients to have more access to clinical trials and new therapies, resulting in the best cardiovascular care available in the area.
Cardiovascular Professionals in Johnston, Wayne and Wilson Counties Mateen Akhtar, MD, FACC Benjamin G. Atkeson, MD, FACC Kevin R. Campbell, MD, FACC Randy A.S. Cooper, MD, FACC Christian Gring, MD, FACC
Matthew A. Hook, MD, FACC Eric M. Janis, MD, FACC Diane E. Morris, ACNP Ravish Sachar, MD, FACC Nyla Thompson, PA-C
Waheed Akhtar, MD, FACC Malay Agrawal, MD, FACC Sunil Chand, MD, FACC Paul Perez-Navarro, MD, FACC Joel Schneider, MD, FACC
Cardiovascular Services Echocardiography Nuclear Cardiology Interventional Cardiology Carotid Artery Interventions Cardiac Catheterization Cardiac CT Angiography and Calcium Scoring Electrophysiology and Cardiac Arrhythmias Peripheral Vascular Interventions Pacemakers / Defibrillators Stress Tests Holter Monitoring Lipid and Anti-Coagulation Clinics Vascular Ultrasounds / AAA Screening
WHV Locations in Johnston, Wayne and Wilson Counties 910 Berkshire Road Smithfield, NC 27577
2076 NC Hwy 42 West, Suite 100 Clayton, NC 27520
2605 Forest Hills Road South West Wilson, NC 27893
2400 Wayne Memorial Drive, Suite A Goldsboro, NC 27534
Phone: 919-989-7909 Fax: 919-989-3147
Phone: 919-359-0322 Fax: 919-359-0326
Phone: 252-243-7049
Phone: (919) 736-8655 Fax: (919) 734-6999
When it comes to your cardiovascular care – We know it by heart. To learn more, visit our website www.WHVheart.com or call us at 1-800-WHV-2889 (800-948-2889).
55 Board-certified subspecialized radiologists | 18 Triangle Locations Evening and weekend hours for many services | MRI 7 days a week Physician decision support
With This Many Choices, The Answer Is Easy. Neuroradiology Sports Imaging Pediatric Imaging Oncologic Imaging Diagnostic Imaging Interventional Radiology Advanced Breast Imaging
Advanced Imaging With Providers And Patients In Mind. With 55 board-certified, subspecialty trained radiologists at 18 convenient Triangle locations, Wake Radiology gives you and your patients many choices in imaging. We provide advanced comprehensive radiology services coupled with subspecialty expertise to give your patients a high level of care. So—the next time imaging is needed think of Wake Radiology. If you are not certain what imaging route to take, simply call our radiologists. They are available by phone for physician decision support and welcome the opportunity to assist you. When it comes to individualized provider and patient care, convenience, and subspecialized imaging the choice is easy.
Š2011 Wake Raleigh. All rights reserved. Radiology saves lives.
Wake Radiology. Excellent decision. WAKE RADIOLOGY EXTENDED HOURS Screening Mammogram: Evenings & Saturdays CT, Ultrasound & Routine Radiology: Saturdays MRI: 7 days a week
WAKE RADIOLOGY EXPRESS SCHEDULING Centralized Scheduling: 919-232-4700 Chapel Hill Scheduling: 919-942-3196
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