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Neurogenic Positional Pedal Neuritis

Common Pedal Manifestations of Spinal Stenosis

^* South Florida Foot Center, 2900 N Military Trail, Ste 230, Boca Raton, FL 33431.

Abstract

Neurogenic positional pedal neuritis is a presentation of neuritic symptoms in one or both feet usually affected by body position, specifically, the position of the spine. Its etiology is similar to that of neurogenic-induced claudication caused by spinal stenosis in that the symptoms are caused by compression or irritation of nerves of the lower lumbosacral spine, usually the fifth lumbar and first sacral nerve roots. Burning, stabbing, a cold feeling, aching, numbness, paresthesia, or a weak or tired feeling of the feet (during some part of the disease process) depend on spinal position and may occur during standing, walking, or even lying in bed. Symptoms may be severe and are often eliminated by lumbosacral spine flexion, such as by walking with wheeled support such as a grocery cart or walker; less frequently by negative-heel shoe modification, which can change the position of the lumbosacral spine in stance; or by alteration of sleeping position. This condition, which can include loss of protective sensation, is often misdiagnosed as neuropathy (especially in diabetic patients) or less frequently as biomechanical in origin. In diabetic patients, this condition is frequently the cause of failure of monochromatic infrared energy therapy for diabetic peripheral neuropathy. Treatment is aimed at reducing the spinal nerve or nerve root irritation. Clear definition of the pedal symptoms of spinal nerve compression within a single diagnostic category should facilitate identification and treatment. (J Am Podiatr Med Assoc 93(3): 174-184, 2003)