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Post-poliomyelitis syndrome.

Trojan DA, Cashman NR

Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, 3801 rue Université, Montréal, Québec H3A 2B4, Canada. daria.trojan@mcgill.ca <daria.trojan@mcgill.ca>

Post-poliomyelitis syndrome (PPS) is a common neurological disorder that occurs in a large proportion of individuals who have recovered from paralytic poliomyelitis. The main clinical features are new weakness, muscular fatigability, general fatigue, and pain. The primary criteria necessary for the diagnosis of PPS are a history of paralytic poliomyelitis, partial or complete recovery of neurological function followed by a period of stability (usually several decades), persistent new muscle weakness or abnormal muscle fatigability, and the exclusion of other causes of new symptoms. The cause of PPS remains unclear, but is likely due to a distal degeneration of enlarged post-poliomyelitis motor units. Contributing factors to PPS may be aging (with motor neuron loss), overuse, and disuse. PPS is usually a slowly progressive neuromuscular disease. Although there is no specific treatment for PPS, an interdisciplinary management program can be useful in controlling symptoms.

Published 23 December 2004 in Muscle Nerve, 31(1): 6-19.
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