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Physical activity patterns and function 3 months after arthroscopic partial meniscectomy.

Shane S Ilich1, Alasdair R Dempsey, Peter M Mills

  • 1School of Sports Science, Exercise and Health, The University of Western Australia, Perth, Australia.

Journal of Science and Medicine in Sport
|September 12, 2012
PubMed
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Patients after arthroscopic partial meniscectomy (APM) show similar daily activity duration but lower intensity compared to healthy individuals. Reduced high-intensity activity in APM patients correlates with knee osteoarthritis symptoms.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Rehabilitation Science

Background:

  • Arthroscopic partial meniscectomy (APM) is a common surgical procedure for meniscus tears.
  • Understanding post-surgical physical activity and functional recovery is crucial for patient outcomes.
  • Objective quantification of physical activity and function provides valuable insights into recovery trajectories.

Purpose of the Study:

  • To compare physical activity levels, self-reported function, and knee strength between APM patients and healthy controls.
  • To identify predictors of physical activity in individuals who have undergone APM.
  • To assess functional recovery and activity patterns at 3 months post-arthroscopic partial meniscectomy.

Main Methods:

  • A case-control study design was employed, comparing 21 APM patients with 21 matched healthy controls.

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  • Objective physical activity was measured using accelerometers over 7 days, assessing intensity, steps, and duration.
  • Knee function was evaluated using the Knee Injury and Osteoarthritis Outcome Score (KOOS) and quadriceps strength.

    • Main Results:

    • APM patients and controls exhibited similar daily activity duration and step counts.
    • APM patients engaged in physical activity at lower intensity levels compared to controls.
    • The 'Symptoms' sub-scale of the KOOS significantly predicted moderate and hard intensity physical activity in both groups.

    Conclusions:

    • Patients undergoing arthroscopic partial meniscectomy maintain similar overall activity duration but at reduced intensities.
    • Higher intensity physical activity is diminished in APM patients, correlating with the presence of knee osteoarthritis symptoms.
    • Functional recovery and symptom burden significantly influence physical activity patterns post-meniscectomy.