{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T17:46:53Z","timestamp":1776188813566,"version":"3.50.1"},"reference-count":26,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2021,9,5]],"date-time":"2021-09-05T00:00:00Z","timestamp":1630800000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004374","name":"Chongqing Medical University","doi-asserted-by":"publisher","award":["1801320241A2013"],"award-info":[{"award-number":["1801320241A2013"]}],"id":[{"id":"10.13039\/501100004374","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To investigate the clinical value of acoustic cardiography in the diagnosis of coronary artery disease (CAD) and post\u2010percutaneous coronary intervention (PCI) early asymptomatic left ventricular systolic dysfunction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Inpatients in the department of cardiology were included in the research (<jats:italic>n<\/jats:italic>\u00a0=\u00a0315); including 180 patients with angina pectoris and 135 patients with acute anterior wall myocardial infarction after emergency PCI did not present with signs and symptoms of heart failure. Color Doppler echocardiography, brain natriuretic peptide, acoustic cardiography examination were performed. The patients were divided into four groups: non\u2010CAD group (<jats:italic>n<\/jats:italic>\u00a0=\u00a060), CAD group (<jats:italic>n<\/jats:italic>\u00a0=\u00a0120), MIREF group (EF%\u2009&lt;\u200950%, <jats:italic>n<\/jats:italic>\u00a0=\u00a075), and MINEF group (EF%\u2009\u2265\u200950%, <jats:italic>n<\/jats:italic>\u00a0=\u00a060).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Acoustic cardiography parameters EMATc, systolic dysfunction index, S3 strength and S4 strength in the MIREF group were higher than those in MINEF group (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.05), and the MINEF group was higher than CAD group (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.05). S3 strength (area under the curve [AUC] 0.67, 95% CI 0.585\u20130.755, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001) and S4 strength (AUC 0.617, 95% CI 0.536\u20130.698, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.011) are useful in the diagnosis of CAD. S3 strength (AUC 0.942, 95% CI 0.807\u20130.978, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001) was superior to other indicators in the diagnosis of early left ventricular systolic dysfunction after myocardial infarction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>S4 combined with STT standard change can improve the diagnosis of CAD. Acoustic cardiography can be used as a non\u2010invasive, rapid, effective, and simple method for the diagnosis of asymptomatic left ventricular systolic dysfunction in the early stage after myocardial infarction.<\/jats:p><\/jats:sec>","DOI":"10.1002\/clc.23694","type":"journal-article","created":{"date-parts":[[2021,9,6]],"date-time":"2021-09-06T03:39:35Z","timestamp":1630899575000},"page":"1386-1392","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Value of acoustic cardiography in the clinical diagnosis of coronary heart disease"],"prefix":"10.1002","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8672-0081","authenticated-orcid":false,"given":"Fu Wei","family":"Zhang","sequence":"first","affiliation":[{"name":"Division of Cardiology Third Affiliated Hospital of Chongqing Medical University  Chongqing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi Xue","family":"Zhang","sequence":"additional","affiliation":[{"name":"Division of Cardiology Haikou People's Hospital, Central South University  Haikou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liang Yi","family":"Si","sequence":"additional","affiliation":[{"name":"Division of Cardiology Third Affiliated Hospital of Chongqing Medical University  Chongqing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mo Shui","family":"Chen","sequence":"additional","affiliation":[{"name":"Division of Cardiology Haikou People's Hospital, Central South University  Haikou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei Wei","family":"Wang","sequence":"additional","affiliation":[{"name":"Division of Cardiology Third Affiliated Hospital of Chongqing Medical University  Chongqing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hai 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