SMF Static Magnetic Fields
• Static Magnetic Fields can be optimised for physiological and therapeutic effects.
SMF Static Magnetic Fields • Cardiology Remote Magnetic Navigation Spatially Targeted Therapeutics • Oncology Magnetic Induction Hyperthermia • Radiology MRI • Pathology Magneto-optic Screening
Static Magnetic Field Therapy • From Cleopatra to MRI • 1600 William Gilbert • 1784 Anton Mesmer • 1900 Nikola Tesla • 1990 Dr Robert Holcomb
Action Potential Firing
• Effects of static magnetic fields on sensory neurons, comparing the common bipolar magnets with multipolar magnets including the quadrapolar array • McLean, M. J., R. R. Holcomb, et al. (1991). "Effects of Steady Magnetic Fields on Action Potentials of Sensory Neurons in Vitro." Environmentalist 8(2).
Maximally Effective Region
• Maximally Effective Region (MER) is where the gradient is perpendicular to the local field vector. • McLean, M. et al. (2001). "Static Magnetic Fields for the Treatment of Pain." Epilepsy & Behavior 2(3): S74-S80
Myosin Phosphorylation • Effects of Non Uniform Static Magnetic fields on the Rate of Myosin Phosphorylation. Engstrom et al. 2002. • Measure of bioactivity of magnetic fields • Correlates with cell studies McLean et al. Maximal Effective Region (MER) Static Magnets • Engstrom, S., et al. (2002). "Effects of non-uniform static magnetic fields on the rate of myosin phosphorylation." Bioelectromagnetics 23(6): 475479.
• The data suggests that the most likely mechanism is that the field gradients of the quadrapolar array is altering nerve excitability as a result of changes in membrane permeability to sodium and calcium ions (McLean et al., 1997; McLean et al., 1995; Cavopol et al., 1995).
Magnetic Field Therapy Variables 1. Duration of exposure 2. Timing of treatment (from onset of injury) 3. Strength of field 4. Size of magnet 5. Depth of penetration 6. Location/Placement 7. Magnetic field gradients
Electrotherapeutic Windows • Physiologic window • Morris et al (2008) Application of a 10 or 70mT, but not a 400 mT SMF for 15 or 30 min immediately following histamine induced edema resulted in significant (20-50%) reduction in edema formation. – Morris, et al. (2008) Acute Exposure to a Moderate Strength Static Magnetic Field Reduces Edema Formation In Rats. Am J Physiol Heart Circ Physiol: 2008 Jan;294(1):H50-7.
SMF Static Magnetic Fields
• Therapeutic effects when operating within the window of efficacy.
Double Standards • It is misleading to conclude from RCT’s that show no benefit, as some observers do that magnetic therapy is not effective. • A more scientific conclusion is that the type of magnet used for this condition with this treatment protocol is not effective. • Colbert, A. et al. (2008). “Static Magnetic Field Therapy: Dosimetry Considerations.” J Altern Complement Med Jun;14(5):577-82
Case Studies
• Debilitating, medication-resistant, chronic pain of the low back and abdomen with intermittent pain of the genitalia. • Left – Complaints suggested S1 radiculopathy or lumbosacral plexopathy (or both). MRI revealed protrusion of the L5-S1 disk with impingement on the right S1 root. • Right – MRI revealed T12-L1 disk protrusion with anterior thecal effacement and a right posterior annular tear Holcomb, R. R., W. B. Worthington, et al. (2000). "Static magnetic field therapy for pain in the abdomen and genitals." Pediatr Neurol 23(3): 261264.
Vallbona et al (1997)
• • • •
Post Polio patients – most painful trigger points Flexible Rubber magnet 5mm penetration N = 50
Vallbona, C., C. F. Hazlewood, et al. (1997). "Response of pain to static magnetic fields in postpolio patients: a double-blind pilot study." Arch Phys Med Rehabil 78(11): 1200-1203.
Analgesic Effect In Mice (2007)
Laszlo, J., J. Reiczigel, et al. (2007). "Optimization of static magnetic field parameters improves analgesic effect in mice." Bioelectromagnetics 28(8): 615627.
Thermal Pain Threshold (2011)
• Exposure to inhomogeneous SMF increased thermal pain threshold • N = 15 Kovacs-Balint, Z. et al. (2011). "Exposure to an inhomogeneous static magnetic field increases thermal pain threshold in healthy human volunteers." Bioelectromagnetics 2011;32(2): 131-139
iSMF Gastritis (2014)
• Erosive gastirtis • N = 16 Juhasz, M., et al. (2014). Influence of inhomogeneous static magnetic fieldexposure on patients with erosive gastritis: a randomized, self- and placebocontrolled, double-blind, single centre, pilot study. J R Soc Interface. 2014 Sep 6;11(98)
Soft Tissue Injuries
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Soft Tissue Injuries
Wednesday night (Thursday am) Saturday morning
Soft Tissue Injuries
Grade III Calf Tear
Simon Black
“They are extremely powerful. When I put them in the right spot, I notice instant results and the healing times are reduced significantly�.
Shane Watson
“They are working an absolute treat!”.
Quadrapolar
Hexapolar
Static Magnetic Field Therapy 1. Simple 2. Drug free 3. Non-addictive 4. Non-invasive 5. Painless 6. Safe 7. An immediate and local impact 8. Performed at home 9. Paid for by the individual and 10. Based on scientific evidence
By A Device That‌ 1. Does not require any care or maintenance 2. Lasts almost a lifetime 3. Has no moving parts 4. Is relatively inexpensive 5. Consumes almost no energy 6. Is a treatment which requires little expertise, and 7. While not is use can be used to keep notices stuck to the fridge
• Neuro-magnetics Neuro for the nervous system, being the target of the therapeutic agent, an optimised inhomogeneous magnetic field for modulating pain relief.
• Not for everyone • Adjunctive therapy • Still much Art and Science • Very gifted clinicians providing significant benefits to their patients.
Dianne Hermans B.Phty • 20 years professional experience • 1999 first used neuromagnets • 2001 extensive training with Neurologist Dr Robert Holcomb. • 2002 on; presented various papers nationally and internationally at professional conferences • 2006 commenced training health professionals. • 2007 enrolled MPhil (RHD) Griffith research masters.
Contraindications • pacemakers • defibrillators • aneurysm clips • dorsal column stimulators • infusion pumps • transdermal patches • insulin pumps • pregnant women • or any magnetically programmable device