How accurate are common imaging modalities for peripheral arterial disease?
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How accurate are common imaging modalities for peripheral arterial disease? Evidence-based answer : Contrast-enhanced magnetic resonance angiography (CE-MRA) and computed tomography angiography (CTA) have similar sensitivities and specificities for diagnosing peripheral arterial disease (PAD). Duplex ultrasound (DUS) is less sensitive in identifying arterial segments with significant (>50%) stenosis than CE-MRA and CTA and has technical problems assessing above the groin and below the knee, but it has similar specificity to the other tests (SOR: B, meta-analysis of cohort trials and individual cohort trial).
Evidence Based Practice 17(8): E15-E16