{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T02:17:46Z","timestamp":1767665866302},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[1990,4,1]],"date-time":"1990-04-01T00:00:00Z","timestamp":638928000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1990,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>A retrospective review of 63 patients undergoing duplex scanning and angiography for suspected carotid artery disease was performed to evaluate the need for routine angiography before carotid endarterectomy. A consultant surgeon (M.H.) made a simulated management decision on the basis of a clinical summary and a duplex scan report. Twenty-four patients were selected for surgery without angiography; duplex scanning had a sensitivity of 100 per cent and a specificity of 90 per cent in the detection of internal carotid artery stenosis. In two cases duplex scanning misdiagnosed a total occlusion as a critical stenosis. Eighteen patients failed to meet the criteria for surgery and were referred for angiography. Twenty-one patients were selected for conservative treatment on the basis of the duplex scan report. Combining the surgical and conservative groups (45 patients), duplex scanning had a sensitivity of 96 per cent and specificity of 95 per cent for the detection of stenosis greater than 50 per cent. In the identification of a total occlusion, duplex scanning had a poor sensitivity of 50 per cent. These results suggest that routine angiography before carotid endarterectomy is unnecessary in selected patients but that a suspected occlusion should be confirmed by angiography.<\/jats:p>","DOI":"10.1002\/bjs.1800770411","type":"journal-article","created":{"date-parts":[[2007,3,3]],"date-time":"2007-03-03T13:58:05Z","timestamp":1172930285000},"page":"388-390","source":"Crossref","is-referenced-by-count":26,"title":["Role of duplex scanning in the selection of patients for carotid endarterectomy"],"prefix":"10.1093","volume":"77","author":[{"given":"R W","family":"Farmilo","sequence":"first","affiliation":[{"name":"Department of Vascular Surgery, Bristol Royal Infirmary , Bristol BS2 8HW,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D J A","family":"Scott","sequence":"additional","affiliation":[{"name":"Department of Vascular Surgery, Bristol Royal Infirmary , Bristol BS2 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