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Article
August 1978

A Simplified Instrument for Noninvasive Vascular AssessmentResults of Experimental Tests With Arterial Stenosis

Author Affiliations

From the Surgical Research Laboratory, Department of Surgery, University of Vermont College of Medicine, Burlington.

Arch Surg. 1978;113(8):936-939. doi:10.1001/archsurg.1978.01370200030006
Abstract

• A simple, inexpensive pulse wave recording device was tested in large (25- to 40-kg) dogs. Femoral arterial flow, prestenotic and poststenotic arterial waveforms, and pressures were monitored as stenosis was induced with a constricting silk loop. The recording device tested was placed around the distal leg.

The pulse wave recorder accurately reproduced the arterial pulse waveform. The amplitude of the device's waveform was linearly proportional to the arterial pulse pressure. The instrument was sensitive in detecting a flow-limiting stenosis.

The cuff represents an advance in noninvasive vascular assessment because it is quite inexpensive, portable, and durable, as well as precise and sensitive.

(Arch Surg 113:936-939, 1978)

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