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Can Doppler Be Used to Detect PAD in Diabetics?

Diab Vasc Dis Res; ePub 2018 Jun 20; Tehan, et al

Continuous-wave Doppler is a fair assessment tool for peripheral arterial disease (PAD) in a community-based sample with suspected (PAD), according to a recent study. Furthermore, this study determined that the diagnostic accuracy of continuous-wave Doppler for PAD is unaffected by the presence of diabetes. Researchers aimed to determine sensitivity and specificity of continuous-wave Doppler for detecting PAD in populations with, and without, diabetes and to investigate the influence of disease severity on sensitivity of continuous-wave Doppler for detecting PAD. Data from 396 participants were included. They found:

  • Using color Duplex ultrasound as reference standard (n=66), printed continuous-wave Doppler waveform analysis sensitivity was 81.75% and specificity, 89.34%.
  • Printed continuous-wave Doppler waveform analysis sensitivity for PAD was comparable to sensitivity calculated using angiography as the reference standard (81.67%).
  • Sensitivity and specificity were unaffected by diabetes diagnosis (n=176), sensitivity 82.76%, and specificity 88.33%.

Citation:

Tehan PE, Sebastian M, Barwick AL, Chuter VH. How sensitive and specific is continuous-wave Doppler for detecting peripheral arterial disease in people with and without diabetes? A cross-sectional study. [Published online ahead of print June 20, 2018]. Diab Vasc Dis Res. doi:10.1177/1479164118782887.

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