Post-Polio-Like Syndrome

Features of the post-polio-like syndrome:

(1) history of s polio-like syndrome due to a virus (enterovirus, Coxsackie, etc)

(2) no evidence of infection with poliovirus

(3) neurological and functional disability

(4) exclusion of other explanations

Clinical features:

(1) muscle weakness

(2) abnormal muscle fatigability

(3) segmental muscle atrophy

Nerve conduction studies may show:

(1) reduction in compound muscle action potential amplitudes

(2) normal sensory nerve action potential amplitudes