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Published on: January 6, 2011
Previous leisure-time physical activity dose dependently decreases ischemic stroke severity
Dominique Deplanque1, Isabelle Masse, Christian Libersa
1Department of Medical Pharmacology, Faculty of Medicine, University Lille-North of France, 1 Place Verdun, 59045 Lille, France.
Stroke Research and Treatment
|September 14, 2011
Summary
Regular physical activity before a stroke is linked to reduced stroke severity. Even moderate exercise offers protection, suggesting exercise is a key factor in mitigating stroke impact.
Area of Science:
- Neurology
- Public Health
- Exercise Science
Background:
- Prior studies suggest physical activity, transient ischemia, and lipid-lowering drugs favorably impact stroke severity.
- Understanding the dose-dependent relationship between physical activity and stroke severity is crucial for preventative strategies.
Purpose of the Study:
- To determine if prior physical activity is dose-dependently associated with less severe strokes (NIHSS 0-3).
- To identify underlying factors contributing to the protective effect of physical activity on stroke severity.
Main Methods:
- Subanalysis of a cross-sectional study involving 362 consecutive stroke patients.
- Analysis of weekly exercise duration prior to stroke and its correlation with stroke severity (NIHSS).
- Evaluation of exercise intensity (weak, moderate, heavy) and its association with stroke outcomes.
Main Results:
- Less severe stroke outcomes were significantly related to longer weekly exercise duration (P = 0.003).
- Weak and moderate exercise practices showed a protective effect (50.0% and 79.3% respectively), while heavy exercise did not (22.2%, P < 0.0001).
- The beneficial effect was independent of age and trended towards lower frequencies of hypertension, alcohol abuse, and a better metabolic profile.
Conclusions:
- Physical activity, particularly weak to moderate levels, is dose-dependently associated with reduced stroke severity.
- Physical activity may contribute to better metabolic profiles and reduced risk factors like hypertension and alcohol abuse.
- Promoting physical activity is a potentially simple and effective strategy to decrease the severity of cerebral ischemia.
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