{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T18:15:10Z","timestamp":1695492910624},"reference-count":26,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2015,2,2]],"date-time":"2015-02-02T00:00:00Z","timestamp":1422835200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2015,10]]},"abstract":"Objectives<\/jats:title>Spontaneous echo contrast (SEC<\/jats:styled-content>) is the presence of smoke\u2010like echoes with a characteristic swirling motion of the blood in echocardiography. Previous clinical studies have shown that SEC<\/jats:styled-content> is a risk factor for left atrial thrombus formation and a predictor of potential systemic embolism originating from the heart. There is an association between uric acid and prothrombotic state. Therefore, we aimed to investigate the role of uric acid in SEC<\/jats:styled-content> in patients with mitral stenosis (MS<\/jats:styled-content>).<\/jats:p><\/jats:sec>Methods<\/jats:title>A total of 85 consecutive patients with MS<\/jats:styled-content> were enrolled in the study. Patients were divided into two groups according to whether SEC<\/jats:styled-content> was present in the left atrium.<\/jats:p><\/jats:sec>Results<\/jats:title>There were 41 patients (mean age 46.4\u00a0\u00b1\u00a011.4 and 68% female) in the SEC<\/jats:styled-content>(\u2212) group and 44 patients (mean age 45.7\u00a0\u00b1\u00a07.2 and 64% female) in the SEC<\/jats:styled-content>(+) group. High sensitive C\u2010reactive protein (hs\u2010CRP<\/jats:styled-content>) levels were significantly higher in the SEC<\/jats:styled-content>(+) group than in the SEC<\/jats:styled-content>(\u2212) group (9.5\u00a0\u00b1\u00a04.2 vs. 4.7\u00a0\u00b1\u00a02.2\u00a0mg\/L, P\u00a0<\u00a00.001). Uric acid was also significantly higher in the SEC<\/jats:styled-content> (+) group (6.3\u00a0\u00b1\u00a01.4 vs. 4.5\u00a0\u00b1\u00a01.3\u00a0mg\/dL, P\u00a0<\u00a00.001). In receiver operating characteristics curve analysis, uric acid >5.2\u00a0mg\/dL had a 73% sensitivity and 76% specificity in predicting SEC<\/jats:styled-content> in patients with MS<\/jats:styled-content>. At multivariate analysis, uric acid (OR<\/jats:styled-content> 3.919, 95% CI 1.911\u20138.035; P\u00a0<\u00a00.002) was an independent risk factor for SEC<\/jats:styled-content> in patients with MS<\/jats:styled-content>.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>Uric acid is independently associated with SEC<\/jats:styled-content> in patients with MS<\/jats:styled-content>. Our findings suggest that this inexpensive, universally available marker may be a useful biomarker for the stratification of risk in patients with MS<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.12897","type":"journal-article","created":{"date-parts":[[2015,2,3]],"date-time":"2015-02-03T04:19:15Z","timestamp":1422937155000},"page":"1477-1482","source":"Crossref","is-referenced-by-count":3,"title":["Association of Left Atrial Spontaneous Echo Contrast to Uric Acid in Patients with Mitral Stenosis"],"prefix":"10.1111","volume":"32","author":[{"given":"Mahmut","family":"Akpek","sequence":"first","affiliation":[{"name":"Department of Cardiology Kayseri Education and Research Hospital Kayseri Turkey"},{"name":"Department of Cardiology Erciyes University School of Medicine Kayseri Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Omer","family":"Sahin","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kayseri Education and 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Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hayrettin","family":"Saglam","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kayseri Education and Research Hospital Kayseri Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali","family":"Ergin","sequence":"additional","affiliation":[{"name":"Department of Cardiology Erciyes University School of Medicine Kayseri Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehmet G.","family":"Kaya","sequence":"additional","affiliation":[{"name":"Department of Cardiology Erciyes University School of Medicine Kayseri 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