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Prestroke Physical Activity and Poststroke Cognitive Performance.

Andreas Gammelgaard Damsbo1, Janne Kaergaard Mortensen2, Kristian Lundsgaard Kraglund3

  • 1Department of Neurology, Danish Stroke Centre, Aarhus University Hospital, Skejby, Denmark, agdamsbo@pm.me.

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Summary
This summary is machine-generated.

Engaging in physical activity before a stroke is linked to better cognitive function after the event. This research suggests physical activity may help prevent cognitive decline following a stroke.

Keywords:
Acute ischemic strokePhysical Activity Scale for the ElderlyPoststroke cognitive impairmentPrestroke physical activitySymbol Digit Modalities Test

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Area of Science:

  • Neurology
  • Public Health
  • Gerontology

Background:

  • Physical activity (PA) is known to reduce stroke risk and mortality, and improve stroke outcomes.
  • Cognitive impairment is a common and debilitating consequence of stroke.
  • Preventive strategies for poststroke cognitive impairment are crucial, yet research on pre-stroke PA's impact is limited.

Purpose of the Study:

  • To investigate the association between physical activity levels before a stroke and cognitive performance after stroke.
  • To determine if pre-stroke physical activity influences cognitive outcomes in stroke survivors.

Main Methods:

  • A prespecified analysis of the TALOS trial involving 625 stroke patients.
  • Pre-stroke physical activity was assessed using the Physical Activity Scale for the Elderly (PASE).
  • Cognitive performance was measured using the Symbol Digit Modalities Test (SDMT) and Mini-Mental State Examination (MMSE); functional outcome by modified Rankin Scale (mRS).

Main Results:

  • Higher levels of pre-stroke physical activity (assessed by PASE quartiles) were independently associated with better cognitive performance on the SDMT at 1 and 6 months post-stroke.
  • No statistically significant association was found between pre-stroke physical activity and MMSE scores or functional outcomes (mRS).

Conclusions:

  • Pre-stroke physical activity is associated with improved cognitive function, specifically on the SDMT, in the months following a stroke.
  • These findings support the potential role of physical activity as a protective measure against poststroke cognitive impairment.
  • Further research is warranted to explore physical activity interventions for cognitive health in stroke survivors.