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Functional popliteal entrapment syndrome

A Deshpande1, M Denton

  • 1Department of Vascular Surgery, St Vincent's Hospital, Fitzroy, Victoria, Australia.

The Australian and New Zealand Journal of Surgery
|September 16, 1998
PubMed
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Young athletes experiencing calf pain due to vigorous exercise may have functional popliteal artery entrapment. Surgical release of the gastrocnemius muscle effectively resolves this condition, restoring blood flow during activity.

Area of Science:

  • Vascular Surgery
  • Sports Medicine
  • Athletic Performance

Background:

  • Classic popliteal artery entrapment involves anatomical abnormalities compressing the artery.
  • A subset of athletes experiences claudication despite a normal popliteal fossa due to exercise-induced arterial occlusion.

Purpose of the Study:

  • To evaluate functional popliteal artery entrapment in athletes with calf claudication.
  • To assess the efficacy of surgical intervention for this condition.

Main Methods:

  • Eight athletic patients with bilateral calf claudication underwent duplex scans and angiograms.
  • Diagnosis involved identifying popliteal artery stenosis/occlusion during active plantar flexion.
  • Surgical treatment included transection of the medial head of the gastrocnemius muscle.

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Main Results:

  • Seven of eight patients experienced complete relief from claudication post-surgery.
  • One patient had a recurrence at long distances, but angiography was normal.
  • Postoperative imaging confirmed no popliteal artery stenosis or occlusion during plantar flexion.

Conclusions:

  • Functional popliteal artery entrapment is a significant cause of disabling claudication in young athletes.
  • Accurate diagnosis and surgical treatment are crucial for managing this condition.
  • The increasing participation in sports highlights the relevance of this condition.