Nerve root impairment following compression of the intervertebral disc is one of many causes of chronic back pain. Therefore the effectiveness of pulsed magnetic therapy was examined in the conservative treatment of a total of 60 patients suffering from discogenic lumbar radiculopathy. Control group with blind applications served for evaluation when the results of both groups were compared before and after the therapy.
On the basis of improved final parameters of SSEP, the study pointed out that pulsed magnetic therapy likely reduces nerve root compression.
SSEP is a neurological examination of somatosensory evoked potentials which electrically stimulates a peripheral nerve and maps the pathway of the signal to the cortical projection area. In other words, the function of somatosensory pathway is investigated by nerve irritation and subsequent observation of the neural reaction and the signal pathway.
Upon application of pulsed magnetic field of 7 Hz frequency and 0.5-1.5 mT intensity 20 minutes a day for three weeks, nerve root compression was reduced as well as the extent of pain and patients experienced significant pain relief.
Low-frequency pulsed magnetic therapy proved to be very effective in the conservative treatment of lumbar radiculopathy caused by herniated intervertebral disc.
Reference: Omar, A. S. et al. (2012) Evaluation of pulsed electromagnetic field therapy in the management of patients with discogenic lumbar radiculopathy. International Journal of Rheumatic Diseases. [Online] 15 (5), e101–e108.
Evaluation of pulsed electromagnetic field therapy in the management of patients with discogenic lumbar radiculopathy
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Related diagnosis: Nerve compression (chronic)
Find out more about PEMF: Principle of Pulse Electromagnetic Field Therapy (PEMF)