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[Venous plethysmography in a sitting position].

M Zicot1

  • 1Université de Liège, Service de Cardiologie, C.H.U. Sart Tilman, Belgique.

Journal Des Maladies Vasculaires
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Lower limb venous capacity and calf pump function were assessed using plethysmography. Results show increased venous volume changes in limbs with primary varices or deep vein thrombosis sequelae, aiding venous insufficiency quantitation.

Area of Science:

  • Vascular Physiology
  • Medical Diagnostics

Context:

  • Assessing lower limb venous function is crucial for diagnosing circulatory disorders.
  • Deep vein thrombosis (DVT) sequelae and primary varices significantly impact venous hemodynamics.

Purpose:

  • To evaluate lower limb venous capacity and calf musculovenous pump performance.
  • To establish a simple method for quantifying venous insufficiency using plethysmography and functional tests.

Summary:

  • Strain gauge plethysmography measured venous capacity during venous occlusion (delta v60) and postural changes (delta v postural). Calf pump function was assessed during exercise (delta v exercise) in sitting and standing positions.
  • Volume changes increased progressively in normal limbs, limbs with DVT sequelae, and limbs with primary varices (p < 0.01 for all measures).

Related Experiment Videos

  • Calf pump assessment during sitting exercise provided better discrimination between normal and DVT-affected limbs.

    • Impact:

    • The study introduces a straightforward approach to quantifying venous insufficiency.
    • Findings support the use of dependency tests and calf pump assessments in the sitting position for clinical evaluation.