Key result
In 34 patients with prior paralytic poliomyelitis, 50% developed late progressive weakness, and quantitative EMG revealed widespread neurogenic atrophy even in clinically unaffected muscles.
Why the study?
Does quantitative EMG analysis reveal widespread neurogenic atrophy in patients with prior paralytic poliomyelitis?
Observational (n=34)
Does quantitative EMG analysis reveal widespread neurogenic atrophy in patients with prior paralytic poliomyelitis?
Quantitative EMG reveals that neurogenic atrophy in paralytic poliomyelitis is more widespread than clinically suspected, even affecting muscles with normal strength.
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EMG may detect subclinical atrophy in post-polio; leaves open whether findings guide monitoring or predict progression.
Martínez et al. (2008) conducted an observational in Paralytic poliomyelitis (n=34). Prior paralytic poliomyelitis was evaluated on Mean amplitude and motor unit fiber density on EMG. In 34 patients with prior paralytic poliomyelitis, 50% developed late progressive weakness, and quantitative EMG revealed widespread neurogenic atrophy even in clinically unaffected muscles.
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