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Late functional deterioration following paralytic poliomyelitis
D Kidd1, R S Howard, A J Williams
1Department of Neurology, St Thomas' Hospital, London, UK.
QJM : Monthly Journal of the Association of Physicians
|March 1, 1997
Summary
Many polio survivors experience post-polio syndrome (PPS), leading to late functional decline. This study found that orthopaedic and other medical issues, not progressive muscle atrophy, commonly cause PPS symptoms in polio survivors.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Epidemiology
Background:
- Post-polio syndrome (PPS) is characterized by late functional deterioration in individuals with a history of poliomyelitis.
- The specific causes and frequency of functional decline in PPS remain incompletely understood.
Purpose of the Study:
- To investigate the causes of functional deterioration in patients with previous poliomyelitis.
- To determine the frequency of various contributing factors to post-polio syndrome.
Main Methods:
- A retrospective review of 283 patients with prior poliomyelitis was conducted over a 4-year period.
- Patients were assessed for new-onset functional deterioration and associated medical conditions.
Main Results:
- Out of 283 patients, 239 experienced functional deterioration a mean of 35 years post-polio.
- Orthopaedic disorders were the most frequent cause (170 cases), followed by neurological (35), respiratory (19), and other medical disorders (15).
- Progressive post-polio muscular atrophy was not observed as a cause of deterioration.
Conclusions:
- Functional deterioration is common in polio survivors and is frequently linked to treatable orthopaedic, neurological, and respiratory conditions.
- Identifying and managing these associated factors is crucial for improving outcomes in post-polio syndrome.