{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T08:11:58Z","timestamp":1767168718424,"version":"build-2238731810"},"reference-count":14,"publisher":"Wiley","license":[{"start":{"date-parts":[[2022,11,11]],"date-time":"2022-11-11T00:00:00Z","timestamp":1668124800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Emergency Medicine International"],"published-print":{"date-parts":[[2022,11,11]]},"abstract":"<jats:p>\n                    Objective. To investigate the application effect of 24\u2009h dynamic electrocardiogram in the diagnosis of asymptomatic myocardial ischemia with arrhythmia in elderly patients with coronary heart disease. Methods. A total of 206 elderly patients suspected of coronary heart disease (CHD) with asymptomatic myocardial ischemia and arrhythmia were selected as the research subjects. 24\u2009h dynamic electrocardiogram and conventional electrocardiogram examinations were conducted. Coronary angiography was used as the gold standard to observe the performance of the two examination methods in the diagnosis of asymptomatic myocardial ischemia with arrhythmia in elderly patients with CHD. Results. Coronary angiography showed 174 positive cases and 32 negative cases among the 206 patients. The diagnostic results of a conventional electrocardiogram showed 150 positive cases and 20 negative cases. Its sensitivity, specificity, accuracy, positive predictive value, and negative predictive value were 86.21%, 62.50%, 82.52%, 92.59%, and 45.45%, respectively. The diagnostic results of 24\u2009h dynamic electrocardiograms showed 168 positive cases and 29 negative cases. Its sensitivity, specificity, accuracy, positive predictive value, and negative predictive value were 96.55%, 96.63%, 95.63%, 98.25%, and 82.86%, respectively. The above results indicated that 24\u2009h dynamic electrocardiogram was significantly better (\n                    <jats:inline-formula>\n                      <a:math xmlns:a=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\">\n                        <a:mi>P<\/a:mi>\n                        <a:mo>&lt;<\/a:mo>\n                        <a:mn>0.05<\/a:mn>\n                      <\/a:math>\n                    <\/jats:inline-formula>\n                    ). The detection rate of arrhythmia types by 24-hour dynamic electrocardiogram was significantly higher than that of conventional electrocardiogram (\n                    <jats:inline-formula>\n                      <c:math xmlns:c=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\">\n                        <c:mi>P<\/c:mi>\n                        <c:mo>&lt;<\/c:mo>\n                        <c:mn>0.05<\/c:mn>\n                      <\/c:math>\n                    <\/jats:inline-formula>\n                    ). Conclusion. 24\u2009h dynamic electrocardiogram is helpful for the diagnosis of asymptomatic myocardial ischemia with arrhythmia in elderly patients with CHD and can improve the detection rate, thereby providing a basis for clinical diagnosis and treatment.\n                  <\/jats:p>","DOI":"10.1155\/2022\/3228023","type":"journal-article","created":{"date-parts":[[2022,11,11]],"date-time":"2022-11-11T13:50:06Z","timestamp":1668174606000},"page":"1-5","source":"Crossref","is-referenced-by-count":3,"title":["Application of 24\u2009h Dynamic Electrocardiography in the Diagnosis of Asymptomatic Myocardial Ischemia with Arrhythmia in Elderly Patients with Coronary Heart Disease"],"prefix":"10.1155","volume":"2022","author":[{"given":"Zongwei","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Tan","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xuemei","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3755-2373","authenticated-orcid":true,"given":"Minghua","family":"Tang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116023, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"issue":"20","key":"1","first-page":"637","article-title":"PCSK9 inhibition protects against myocardial ischemia-reperfusion injury via suppressing autophagy","volume":"4","author":"H. Guangwei","year":"2022","journal-title":"Microvascular Research"},{"issue":"11","key":"2","first-page":"415","article-title":"Interplay of pro-inflammatory cytokines, pro-inflammatory microparticles and oxidative stress and recurrent ventricular arrhythmias in elderly patients after coronary stent implantations","volume":"1","author":"L. Xia","year":"2020","journal-title":"Cytokine"},{"issue":"21","key":"3","first-page":"107","article-title":"Clinical impact of valvular heart disease in elderly patients admitted for acute coronary syndrome: insights from the elderly-ACS 2 study","volume":"11","author":"C. Gabriele","year":"2019","journal-title":"Canadian Journal of Cardiology"},{"issue":"23","key":"4","first-page":"45","article-title":"Improved heart disease detection from ECG signal using deep learning based ensemble model","volume":"3","author":"R. 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ShanWei","year":"2022","journal-title":"Biomedical Signal Processing and Control"},{"issue":"23","key":"9","first-page":"101","article-title":"Man with dynamic ECG changes","volume":"3","author":"M. A. Robert","year":"2020","journal-title":"Annals of Emergency Medicine"},{"issue":"1","key":"10","first-page":"69","article-title":"Enhancing dynamic ECG heartbeat classification with lightweight transformer model","volume":"7","author":"M. Lingxiao","year":"2022","journal-title":"Artificial Intelligence in Medicine"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1016\/j.bspc.2014.08.010"},{"issue":"8","key":"12","first-page":"222","article-title":"Heartbeat classification using projected and dynamic features of ECG signal","volume":"1","author":"C. 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Inigo","year":"2021","journal-title":"Engineering Applications of Artificial Intelligence"}],"updated-by":[{"DOI":"10.1155\/2024\/9861978","type":"retraction","label":"Retraction","source":"retraction-watch","updated":{"date-parts":[[2024,1,24]],"date-time":"2024-01-24T00:00:00Z","timestamp":1706054400000},"record-id":"56839"},{"DOI":"10.1155\/2024\/9861978","type":"retraction","label":"Retraction","source":"publisher","updated":{"date-parts":[[2024,1,24]],"date-time":"2024-01-24T00:00:00Z","timestamp":1706054400000}}],"container-title":["Emergency Medicine International"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/emi\/2022\/3228023.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/emi\/2022\/3228023.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/emi\/2022\/3228023.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,11,11]],"date-time":"2022-11-11T13:50:24Z","timestamp":1668174624000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.hindawi.com\/journals\/emi\/2022\/3228023\/"}},"subtitle":[],"editor":[{"given":"Weiguo","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2022,11,11]]},"references-count":14,"alternative-id":["3228023","3228023"],"URL":"https:\/\/doi.org\/10.1155\/2022\/3228023","relation":{},"ISSN":["2090-2859","2090-2840"],"issn-type":[{"value":"2090-2859","type":"electronic"},{"value":"2090-2840","type":"print"}],"subject":[],"published":{"date-parts":[[2022,11,11]]}}}