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Modes of exercise training for intermittent claudication.

Gert Jan Lauret1, Farzin Fakhry, Hugo J P Fokkenrood

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Supervised exercise therapy for intermittent claudication showed no significant difference in walking distance between treadmill walking and alternative exercise modes like cycling or strength training. Alternative methods may be viable when supervised walking is not feasible.

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Area of Science:

  • Vascular Medicine
  • Exercise Physiology
  • Rehabilitation Science

Background:

  • Intermittent claudication management guidelines emphasize cardiovascular risk modification, lifestyle coaching, and supervised exercise therapy.
  • Supervised exercise therapy traditionally involves treadmill or track walking, but alternative modes have shown comparable results.
  • The optimal supervised exercise mode for improving walking capacity in intermittent claudication remains an open question.

Purpose of the Study:

  • To evaluate the impact of various supervised exercise therapy modes on maximum walking distance (MWD) in patients with intermittent claudication.
  • To assess the effects of different supervised exercise modalities on pain-free walking distance (PFWD) and health-related quality of life (HR-QoL) in intermittent claudication patients.

Main Methods:

  • A systematic review and meta-analysis of randomized controlled trials comparing alternative exercise modes with supervised walking.
  • Studies included patients with clinically determined intermittent claudication undergoing at least six weeks of supervised exercise twice weekly.
  • Data on MWD and PFWD were converted to metabolic equivalents (METs) for standardized comparison.

Main Results:

  • Five studies with 135 participants indicated no significant difference in MWD between supervised walking and alternative exercises (cycling, strength training, upper-arm ergometry).
  • Similarly, no clear evidence of a difference was found for PFWD between supervised walking and alternative exercise modes.
  • While quality of life improved in both groups, meta-analysis was not feasible due to data limitations.

Conclusions:

  • Current evidence does not support a superior walking distance improvement with alternative supervised exercise modes compared to supervised walking for intermittent claudication.
  • Larger, well-designed studies are required to definitively compare specific alternative exercise modes against supervised treadmill walking.
  • Alternative exercise modes may serve as practical options for patients unable to participate in supervised walking programs.