{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T17:42:30Z","timestamp":1793295750621,"version":"4.5.0"},"reference-count":42,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2022,12,17]],"date-time":"2022-12-17T00:00:00Z","timestamp":1671235200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["R01 HL06900"],"award-info":[{"award-number":["R01 HL06900"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["R01 HL081352"],"award-info":[{"award-number":["R01 HL081352"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>The Society of Radiologists in Ultrasound (SRU) consensus panel proposed six Doppler velocity cut points for classifying internal carotid artery (ICA) stenosis of 50% and 70% according to the North American Symptomatic Carotid Endarterectomy Trial (NASCET) method. Their relative accuracies have not been compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Meta\u2010analysis performed following comprehensive literature review and identification of manuscripts with graphs of individual patient NASCET ICA stenosis measured by arteriography versus ICA peak\u2010systolic velocity (PSV), end\u2010diastolic velocity (EDV) and ICA PSV to common carotid artery (CCA) PSV. True positives, true negatives, false positives, and false negatives were calculated and used in two\u2010level mixed effects models. Hierarchical summary receiver operating characteristic (ROC) curves were generated. Areas under the ROC curves were estimated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Nine studies performed between 1993 and 2016 were identified after review of 337 manuscripts. There were 1738 bifurcation data points extracted for PSV, 1026 for EDV, and 775 for ICA\/CCA ratio. The highest sensitivity was 96% (95% CI: 93%, 98%) for PSV of 125\u2009cm\/s (50% stenosis) and highest specificity 86% (95% CI: 71%, 93%) for PSV of 230\u2009cm\/s (70% stenosis). Areas under the ROC curves ranged from a high of 0.93 (95% CI: 0.92, 0.95) for PSV (50% stenosis) to a low of 0.86 (95% CI: 0.84, 0.88) for EDV (70% stenosis).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The SRU consensus Doppler cut points vary in their accuracies for predicting ICA stenosis. The PSV cut points have tradeoffs: high sensitivity\/low specificity for 50% stenosis and high specificity\/moderate sensitivity for 70% stenosis.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.16150","type":"journal-article","created":{"date-parts":[[2022,12,17]],"date-time":"2022-12-17T17:25:02Z","timestamp":1671297902000},"page":"1423-1435","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Accuracy of the Society of Radiologists in Ultrasound (<scp>SRU<\/scp>) Carotid Doppler Velocity Criteria for Grading North American Symptomatic Carotid Endarterectomy Trial (<scp>NASCET<\/scp>) Stenosis: A <scp>Meta\u2010Analysis<\/scp>"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2459-083X","authenticated-orcid":false,"given":"Joseph F.","family":"Polak","sequence":"first","affiliation":[{"name":"Department of Radiology, Lemuel Shattuck Hospital Tufts University School of Medicine and 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