Authors: Hembling, Brian P.; Hubler, Kelley C.; Richard, Peter M.; O'Keefe, William A.; Husfloen, Chelsey; Wicks, Rebecca; Dressor, Heather

Source: Journal for Vascular Ultrasound, Volume 31, Number 3, September 2007 , pp. 149-151(3)

Publisher: Society for Vascular Ultrasound

Abstract:

A retrospective analysis was performed comparing the effectiveness of ankle brachial index (ABI) to Doppler waveform analysis for the detection of peripheral arterial disease (PAD) in a group of patients with an estimated 31% prevalence of diabetes. A total of 21,199 ankle pressures and corresponding Doppler waveforms were correlated; 8,628, or 41%, of the ankle pressures were within normal limits; 8,335, or 40%, of the ankle pressures were below normal limits; and 4,042, or 19%, of the ankle pressures were noncompressible. Using ABI alone for screening in a population with a high incidence of diabetes is significantly limited because of noncompressible ankle pressures caused by arterial calcification. A total of 19% of the segments evaluated in this population yielded noncompressible vessels. The prevalence of PAD, detected by Doppler waveform analysis in the segments with non-compressible ankle pressures, was 69%. Additional modalities such as Doppler waveform analysis would further increase the accuracy of screening for PAD in this population. Alternately, using the ABI alone for the detection of PAD can be improved by interpreting ABIs greater than 1.2 as positive results because of the high prevalence of PAD in this group.

Document Type: Research article

Publication date: 2007-09-01

More about this publication?

• The Journal for Vascular Ultrasound (JVU) is the official journal of the Society for Vascular Ultrasound. It consists of original scientific and educational articles, case studies, book reviews, technical reviews, ultrasound principle reviews, viewpoints, letters to the editor, and CME tests. Regular reading of JVU, published quarterly, will keep you current in your field and provide essential information that can be applied in your practice.
  
  Previously known as the Journal of Vascular Technology - View Volumes 16-26 here
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• In this Subject: Radiology & Imaging ,  Acoustics
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