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Related Experiment Videos

Time dependency of walking classification in stroke.

Boudewijn Kollen1, Gert Kwakkel, Eline Lindeman

  • 1Research Bureau, Isala Klinieken, PO Box 10400, 8000 GK Zwolle, Overijssel, the Netherlands. b.j.kollen@isala.nl

Physical Therapy
|May 3, 2006
PubMed
Summary

Comfortable walking speed is a sensitive measure for stroke recovery. Functional Ambulation Categories (FAC) scores change over time, influenced by the timing of walking speed assessments post-stroke.

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Area of Science:

  • Neurology
  • Rehabilitation Medicine
  • Biomechanical Engineering

Background:

  • Optimal stroke rehabilitation requires accurate interpretation of functional recovery.
  • Assessing gait post-stroke is crucial for patient outcomes.

Purpose of the Study:

  • To investigate the longitudinal relationship between comfortable walking speed and Functional Ambulation Categories (FAC) scores.
  • To determine the time dependency of this relationship in individuals with physically independent gait after stroke.

Main Methods:

  • Prospective cohort study of 73 severely affected acute stroke survivors.
  • Measurement of walking speed and FAC scores from 4 to 26 weeks post-stroke.
  • Statistical analyses included responsiveness ratios, random coefficient analysis, and paired t tests.

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Main Results:

  • Walking speed measurements demonstrated high sensitivity to clinically important changes.
  • A significant negative interaction was found between measurement timing and FAC scores.
  • Pretest-posttest differences in walking speed and FAC scores were largely significant.

Conclusions:

  • Walking speed is a reliable indicator of clinically meaningful recovery after stroke.
  • Functional Ambulation Categories scores are influenced by the timing of walking speed assessments.
  • Gait speed associated with specific FAC appraisals can change over time, potentially shifting from higher to lower speeds.