Key result
Survivors of paralytic polio demonstrated stable neuromuscular function over 5 years, although 60% were symptomatic, mostly due to causes unrelated to earlier polio.
Population
n=50 individuals who had paralytic polio between 1935 and 1960, representing 300 cases in Olmsted County…
Design
Cohort
Follow-up
5 years
Authors
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Reassures that new symptoms in polio survivors often reflect unrelated causes; leaves open longer-term progression risk beyond 5 years.
Cohort (n=50)
No
In a cohort of paralytic polio survivors, neuromuscular function remained stable over 5 years, indicating that new symptoms are often due to unrelated or mechanical causes rather than progressive neurologic deficit.
Aj et al. (1996) conducted a cohort in Survivors of paralytic polio (n=50). History of paralytic polio was evaluated on Neuromuscular function progression. Survivors of paralytic polio demonstrated stable neuromuscular function over 5 years, although 60% were symptomatic, mostly due to causes unrelated to earlier polio.
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