{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T01:57:07Z","timestamp":1775872627996,"version":"3.50.1"},"reference-count":31,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,5,21]],"date-time":"2021-05-21T00:00:00Z","timestamp":1621555200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Ventricular scars due to myocardial infarction provide a substrate for ventricular arrhythmias, and cardiac magnetic resonance (CMR) is the golden standard for the quantification of scar tissue magnitude. CMR has still limitations with patients with ICD despite ICD's becoming MR\u2010compatible. We investigated the association between calibrated integrated backscatter (cIBS) and arrhythmia frequency in patients with ICD.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Thirty\u2010two ischemic dilated cardiomyopathy (ICM) patients with VVI\u2010ICD (mean age 66.56 \u00b1 9.05, 28 male, and four female) were divided into three groups according to their arrhythmia frequency (ventricular arrhythmia\u2014[VA \u2010], VA + [VA +], and arrhythmia storm [AS]). Then with transthoracic echocardiography (TTE), all patients\u2019 cIBS values were calculated and these values were compared with the patients\u2019 arrhythmia frequency.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>cIBS values of patients with VA + and AS were significantly higher in the apical\u2010septal (0.66 \u00b1 0.11\u00a0vs. 0.50 \u00b1 0.16, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.008) and apical\u2010lateral (0.62 \u00b1 0.19\u00a0vs. 0.46 \u00b1 0.18, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.041) segments compared to those of patients with VA \u2010. The cIBS values of apical\u2010septal (0.50 \u00b1 0.16\u00a0vs. 0.65 \u00b1 0.08\u00a0vs. 0.66 \u00b1 0.13 respectively, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.032) and apical\u2010anterior (0.53 \u00b1 0.22\u00a0vs. 0.48 \u00b1 0.17\u00a0vs. 0.79 \u00b1 0.23 respectively, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.03) segments were significantly different between the groups. Furthermore, in the post hoc analysis, the difference was significantly higher in VA + than VA \u2010 in the apical\u2010septal segment and higher in AS than VA + in apical\u2010anterior segments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our findings suggest an association between the cIBS values and arrhythmia frequency in the study group.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14257","type":"journal-article","created":{"date-parts":[[2021,5,10]],"date-time":"2021-05-10T12:05:40Z","timestamp":1620648340000},"page":"1010-1017","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Association between integrated backscatter and arrhythmia in patients with ischemic dilated cardiomyopathy"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0105-6167","authenticated-orcid":false,"given":"Ekrem Bilal","family":"Karaayvaz","sequence":"first","affiliation":[{"name":"Department of Cardiology Istanbul University Istanbul Faculty of Medicine  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Berat","family":"Engin","sequence":"additional","affiliation":[{"name":"Manavgat State Hospital  Antalya Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7671-661X","authenticated-orcid":false,"given":"Kivanc","family":"Yalin","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Cerrahpasa Faculty of Medicine Istanbul University\u2010Cerrahpasa  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pelin Karaca","family":"Ozer","sequence":"additional","affiliation":[{"name":"Department of Cardiology Istanbul University Istanbul Faculty of Medicine  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Derya","family":"Baykiz","sequence":"additional","affiliation":[{"name":"Department of Cardiology Istanbul University Istanbul Faculty of Medicine  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmet Kaya","family":"Bilge","sequence":"additional","affiliation":[{"name":"Department of Cardiology Istanbul University Istanbul Faculty of Medicine  Istanbul 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