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Related Experiment Videos

Exercise training reduces the acute inflammatory response associated with claudication.

E P L Turton1, P A Coughlin, R C Kester

  • 1Department of Vascular Surgery, St James's University Hospital, The Leeds Teaching Hospitals, UK.

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|May 7, 2002
PubMed
Summary

Supervised exercise training in claudicants reduces ischaemia-reperfusion injury (IRI) markers. This 3-month program improves walking and lessens exercise-induced endothelial damage, making it vital for claudicant management.

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Area of Science:

  • Vascular Biology
  • Exercise Physiology
  • Inflammatory Response

Background:

  • Claudication episodes are linked to systemic inflammation and vascular endothelial injury.
  • Concerns exist that prescribed walking exercises may exacerbate endothelial damage in claudicants.

Purpose of the Study:

  • To evaluate baseline markers of ischaemia-reperfusion injury (IRI) in claudicants versus controls post-exercise.
  • To investigate the impact of a 3-month supervised exercise program (SEP) on IRI markers in claudicants.

Main Methods:

  • Forty-six claudicants and 22 controls underwent acute treadmill exercise.
  • Measurements included neutrophil activation, degranulation, free radical damage, and antioxidants.
  • Claudicants participated in a 3-month SEP, with IRI markers reassessed at 3 and 6 months.

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Main Results:

  • Resting IRI markers were comparable between groups; exercise did not affect controls.
  • Claudicants showed significant post-exercise neutrophil activation, degranulation, and free radical damage.
  • These IRI effects diminished progressively after 3 months of exercise training.

Conclusions:

  • Exercise training in claudicants is beneficial, improving walking distance and reducing IRI.
  • Supervised exercise programs decrease exercise-induced endothelial injury in claudicants.
  • Exercise training should be integral to the medical management of claudicants.