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Do Doppler waveforms at the common femoral artery accurately predict iliac stenosis?

S O'Neill1, R K George, W D Wallace

  • 1Department of Vascular and Endovascular Surgery, Royal Victoria Hospital, Belfast, BT12 6BA, Northern Ireland, UK. stephenoneill@doctors.org.uk

Irish Journal of Medical Science
|July 28, 2010
PubMed

Insights

Common femoral artery (CFA) Doppler waveforms can help detect iliac artery stenosis. However, normal triphasic waveforms do not rule out the presence of significant iliac artery disease.

Area of Science:

  • Vascular Ultrasound
  • Medical Imaging
  • Cardiovascular Diagnostics

Background:

  • Iliac artery stenosis can lead to critical limb ischemia.
  • Non-invasive assessment of iliac artery stenosis is crucial for timely intervention.
  • Common femoral artery (CFA) Doppler waveform analysis is a widely used non-invasive technique.

Purpose of the Study:

  • To evaluate the predictive value of CFA Doppler waveform morphology for significant iliac artery stenosis.
  • To compare CFA Doppler findings with magnetic resonance angiography (MRA) results.

Main Methods:

  • Retrospective analysis of 76 patients undergoing CFA Doppler and MRA.
  • CFA waveforms classified as monophasic, biphasic, or triphasic.
  • Correlation of waveform patterns with MRA-confirmed iliac artery stenosis.

Main Results:

  • Abnormal CFA waveforms (monophasic/biphasic) were observed in 86% of cases with significant iliac stenosis.
  • Sensitivity for abnormal CFA waveforms was 86%, with a specificity of 57%.
  • Monophasic waveforms showed higher specificity (88%) but lower sensitivity (57%) for iliac lesions.

Conclusions:

  • CFA Doppler waveform assessment is a valuable adjunct for detecting iliac artery disease.
  • Normal triphasic CFA waveforms do not reliably exclude the presence of significant iliac stenosis.
Abstract

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