{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T22:26:40Z","timestamp":1762295200606},"reference-count":20,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[1987,6,1]],"date-time":"1987-06-01T00:00:00Z","timestamp":549504000000},"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":[[1987,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Sixty consecutive patients with an asymptomatic mid-cervical murmur on auscultation were identified amongst 1000 patients who underwent duplex scanning of the extracranial carotid arteries during 1981-83. They were classified according to the scan results into 12 high risk subjects with &amp;gt; 75 per cent stenosis of an internal carotid artery, 37 low risk subjects with a &amp;lt; 75 per cent stenosis and 6 with no detectable stenosis. The mean duration of follow-up was 3 years (minimum 2 years) or until stroke or death. One was lost to follow-up and four were excluded having undergone carotid endarterectomy during the study. Six of twelve subjects with &amp;gt; 75 per cent stenosis suffered a stroke (five fatal and one non-fatal). There were no premonitory signs except in one patient with non-focal cerebral ischaemia for 2 months before an hemispheric stroke. There was one fatal stroke in the &amp;lt; 75 per cent stenosis group and none in the control group. In all, 17 (28 per cent) patients died (myocardial infarction, 8; stroke, 6; malignant disease, 3). These results confirm that asymptomatic carotid murmurs are associated with increased mortality with most having non-severe carotid disease on duplex scanning and few strokes during follow-up. There is an important minority with tight carotid stenosis who carry a worrying risk of stroke if left untreated.<\/jats:p>","DOI":"10.1002\/bjs.1800740626","type":"journal-article","created":{"date-parts":[[2007,3,3]],"date-time":"2007-03-03T09:58:46Z","timestamp":1172915926000},"page":"496-499","source":"Crossref","is-referenced-by-count":13,"title":["Asymptomatic carotid murmur: Ultrasonic factors influencing outcome"],"prefix":"10.1093","volume":"74","author":[{"given":"M I","family":"Aldoori","sequence":"first","affiliation":[{"name":"Department of Surgery, Bristol Royal Infirmary , Bristol BS2 8HW,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G L","family":"Benveniste","sequence":"additional","affiliation":[{"name":"Department of Surgery, Bristol Royal Infirmary , Bristol BS2 8HW,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R N","family":"Baird","sequence":"additional","affiliation":[{"name":"Department of Surgery, Bristol Royal Infirmary , Bristol BS2 8HW,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Horrocks","sequence":"additional","affiliation":[{"name":"Department of Surgery, Bristol Royal Infirmary , Bristol BS2 8HW,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J","family":"Fairgrieve","sequence":"additional","affiliation":[{"name":"Cheltenham General Hospital , Sandford Road, Cheltenham, Gloucestershire GL53 7AN,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[1987,6,1]]},"reference":[{"key":"2024092719421385100_bib1","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1161\/01.STR.9.3.269","article-title":"The asymptomatic carotid bruit\u2014operate or notarticle-title","volume":"9","author":"Fields","year":"1978","journal-title":"Stroke"},{"key":"2024092719421385100_bib2","doi-asserted-by":"crossref","first-page":"1442","DOI":"10.1001\/jama.1981.03310390042019","article-title":"Asymptomatic carotid bruit and risk of stroke\u2014the Framingham study","volume":"245","author":"Wolf","year":"1981","journal-title":"J Am Med Assoc"},{"key":"2024092719421385100_bib3","doi-asserted-by":"crossref","first-page":"838","DOI":"10.1056\/NEJM198004103021504","article-title":"Risk of stroke in asymptomatic person with cervical arterial bruits\u2014a population study in Evans county, Georgia","volume":"302","author":"Heyman","year":"1980","journal-title":"N Engl J Med"},{"key":"2024092719421385100_bib4","doi-asserted-by":"crossref","first-page":"729","DOI":"10.1001\/archsurg.1973.01350230081016","article-title":"A correlation of neck bruits and atherosclerotic carotid arteries","volume":"107","author":"David","year":"1973","journal-title":"Arch Surg"},{"key":"2024092719421385100_bib5","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1001\/archsurg.1981.01380140064014","article-title":"Symptoms, stenosis and bruit","volume":"116","author":"Riles","year":"1981","journal-title":"Arch Surg"},{"key":"2024092719421385100_bib6","doi-asserted-by":"crossref","first-page":"308","DOI":"10.1097\/00000658-197809000-00005","article-title":"Asymptomatic carotid bruit; 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