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[Edema, heavy legs and popliteal compression].

B Krähenbühl, P Davanture, A Rostan

    Schweizerische Medizinische Wochenschrift
    |November 17, 1979
    PubMed
    Summary

    Venous stasis in the calf, caused by knee hyperextension, is a likely factor in many cases of unexplained lower limb edema. This finding helps identify a specific cause for leg swelling in patients.

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    Area of Science:

    • Vascular Medicine
    • Orthopedics

    Context:

    • Investigated 50 patients with unexplained lower limb edema and heaviness.
    • Utilized plethysmography to detect calf venous stasis.

    Purpose:

    • To identify a potential cause for idiopathic lower limb edema.
    • To investigate the role of knee hyperextension in venous stasis.

    Summary:

    • Knee hyperextension induced venous stasis in 27 out of 50 patients with unexplained edema.
    • Only one of 39 normal subjects exhibited stasis upon knee hyperextension.
    • No stasis was observed in 9 patients with systemic edema when the knee was extended.
    • Popliteal cysts were identified in 9 of 16 patients with knee arthropathy.

    Impact:

    • Suggests intermittent venous stasis from knee hyperextension as a causal factor in idiopathic edema.
    • Highlights the need for further research into the mechanisms of venous stasis during knee hyperextension.
    • Identifies a potential diagnostic indicator for lower limb edema.

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