Plethysmographic Evaluation of Venous Function
It is widely recognized that venous hypertension is generated by a combination of valvular incompetence, venous obstruction, and calf muscle pump dysfunction. The status of the deep and superficial veins in both the proximal and distal segments can have significant impact on the success of perforator vein surgery. Prior to operation, detailed knowledge of the pattern of venous obstruction and incompetence can help establish the likelihood of successful treatment. Postoperative assessment may uncover the changes in limb hemodynamics affected by perforator ligation.
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