{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T21:08:18Z","timestamp":1790024898849,"version":"4.0.1"},"reference-count":29,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[1999,4,1]],"date-time":"1999-04-01T00:00:00Z","timestamp":922924800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cardiovascular Surgery"],"published-print":{"date-parts":[[1999,4]]},"abstract":"<jats:p> Screening for asymptomatic carotid artery stenosis using color flow duplex scan was performed on 186 Chinese patients with peripheral vascular disease. They consist of 121 male and 65 females, with a mean age of 70.6 years. A carotid bruit was present in 43 (23.1%) of the patients. Internal carotid artery stenosis of 70% or greater was detected in 46 patients (24.7%) including six total occlusions. Another 79 patients (42.5%) had internal carotid artery stenosis in the 30\u201369% range. Significant internal carotid artery stenosis was associated with age, male sex, the quantity and duration of smoking and a carotid bruit: and inversely with cholesterol, triglyceride and VLDL. Age, the number of cigarettes consumed per day, and carotid bruit were independent significant predictors of \u2265 70% internal carotid artery stenosis on logistic regression analysis. The degree of internal carotid artery stenosis is more severe in patients with a carotid bruit, and correlated positively with age ( P &lt; 0.01), the number of cigarettes smoked ( P = 0.04), and the duration of smoking ( P = 0.03). Multiple linear regression analysis showed that only the age of the patient bears a significant relationship with the degree of internal carotid artery stenosis ( P &lt; 0.01). There was no relationship between the degree of lower limb ischemia with carotid stenosis. The prevalence of \u2265 70% internal carotid artery stenosis in a high risk population with peripheral vascular disease was 24.7%. Routine duplex screening is worthwhile in this group of patients, particularly in male, elderly smokers. <\/jats:p>","DOI":"10.1177\/096721099900700306","type":"journal-article","created":{"date-parts":[[2024,9,24]],"date-time":"2024-09-24T01:20:24Z","timestamp":1727140824000},"page":"303-309","source":"Crossref","is-referenced-by-count":5,"title":["Screening for Asymptomatic Carotid Stenosis in Patients with Peripheral Vascular Disease: A Prospective Study and Risk Factor Analysis"],"prefix":"10.1177","volume":"7","author":[{"given":"S. W. K.","family":"Cheng","sequence":"first","affiliation":[{"name":"Department of Surgery, University of Hong Kong Medical Centre, Queen Mary Hospital, Pokfulam Road, Hong Kong, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L. L. H.","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Hong Kong Medical Centre, Queen Mary Hospital, Pokfulam Road, Hong Kong, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. C. 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