Carotid artery stenosis classification, costs vary by institution

  • April 17, 2014

Diagnostic criteria for carotid duplex ultrasonography results differ substantially between institutions in New England, leading to wide variability in the classification and costs related to carotid artery stenosis.

Researchers performed a retrospective review of 10,614 patients who underwent 15,534 carotid duplex scans of 31,025 arteries at the University of Massachusetts noninvasive vascular laboratories from 2008 to 2012. The cohort included 7,650 patients assessed for asymptomatic CAD and 2,964 assessed for symptomatic disease.

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