Post polio syndrome
Introduction
POST-POLIO SYNDROME (PPS) refers to new or progressive muscle weakness and disability in survivors of poliomyelitis, usually occurring decades after the initial infection.[1]
Epidemiology
- Estimates of the incidence and prevalence of PPS vary with criteria used
- New symptoms related to prior polio, approximately one-half
- Symptoms include weakness, pain, fatigability, and concentration difficulty.
- New, progressive weakness frequency drops to approximately 20 to 30 percent of polio survivors
- Average onset of new symptoms occurs approximately 35 years after the initial polio episode,
- Range is between 8 and 71 years.
- PPS occurs sooner in patients with more severe original disease [1]
[1] L Simionescu. Poliomyelitis and post-polio syndrome. Uptodate Aug 26, 2022
