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Popliteal vascular compression in a normal population

L S Erdoes1, J J Devine, V M Bernhard

  • 1Section of Vascular Surgery, University of Arizona Health Sciences Center Tucson.

Journal of Vascular Surgery
|December 1, 1994
PubMed
Summary
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Positional popliteal artery occlusion occurs in over half of individuals due to myofascial compression from leg positioning. This finding is crucial for interpreting popliteal artery tests in patients.

Area of Science:

  • Vascular anatomy and physiology
  • Sports medicine
  • Diagnostic imaging

Background:

  • Popliteal artery entrapment syndromes are linked to positional obstruction.
  • Understanding popliteal artery mechanics in asymptomatic individuals is key.

Purpose of the Study:

  • To define the positional anatomy and physiology of popliteal arteries.
  • To investigate if asymptomatic individuals can occlude their popliteal artery with leg positioning.

Main Methods:

  • Evaluated 72 limbs in 36 symptom-free subjects (normally active and competitive runners).
  • Utilized noninvasive testing: limb pressures, Doppler waveforms, color-flow duplex imaging.
  • Performed magnetic resonance imaging (MRI) and angiography in a subset of subjects.

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Main Results:

  • Positional popliteal artery occlusion occurred in 53% of limbs.
  • Occlusion was consistently at the soleal sling level due to myofascial compression.
  • MRI revealed normal anatomy in all subjects, with compression by surrounding muscles.

Conclusions:

  • Simple leg positioning can induce popliteal artery occlusion in over half of individuals.
  • Myofascial compression is a significant factor in positional popliteal artery occlusion.
  • Findings necessitate consideration during the physiological assessment of patients with popliteal artery issues.