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Angiology
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Noninvasive Quantification of Ambulatory Venous Hemodynamics During Elastic Compressive Therapy

C. Scott Norris

Research Fellow in Vascular Surgery, Noninvasive Peripheral Vascular Laboratories, Department of Surgery, Medical College of Virginia of Virginia Commonwealth University, Richmond, Virginia

Glenn Turley

Robert W. Barnes

Quantifying the hemodynamic results of elastic compression requires inva sive and cumbersome techniques. Twenty lower extremities (normal, primary, acute and chronic post-thrombotic varicosities) were evaluated with quantita tive photoplethysmography (PPG) prior and subsequent to initiating graded compression. The PPG transducer is placed against the stockings and the in vivo method of calibration is used to predict the results of compressive therapy on ambulatory venous pressure (AVP).

Noninvasive evaluation of patients with quantitative PPG techniques follow ing compressive therapy may provide a better understanding of venous hemo dynamics and a rational approach to selection of therapy.

Angiology, Vol. 35, No. 9, 560-567 (1984)
DOI: 10.1177/000331978403500903
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