Noninvasive Quantification of Ambulatory Venous Hemodynamics During Elastic Compressive Therapy

Norris, C. Scott; Turley, Glenn; Barnes, Robert W.
September 1984
Angiology;Sep1984, Vol. 35 Issue 9, p560
Academic Journal
Quantifying the hemodynamic results of elastic compression requires invasive and cumbersome techniques. Twenty lower extremities (normal, primary, acute and chronic post-thrombotic varicosities) were evaluated with quantitative 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).


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