{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T10:53:23Z","timestamp":1761562403958,"version":"3.37.3"},"reference-count":24,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2018,8,13]],"date-time":"2018-08-13T00:00:00Z","timestamp":1534118400000},"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":[[2018,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>We evaluated the influences of selected factors on electrical lead failure (ELF) occurrence in patients referred for transvenous lead extraction (TLE) procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and results<\/jats:title><jats:p>The study cohort consisted of 432 patients referred for TLE procedures due to various indications (42 \u2013 lead\u2010dependent infective endocarditis, 47 \u2013 pocket infection, 343 \u2013 noninfectious indications) with a total of 804 endocardial leads. In the analyzed group, there were 192 patients with ELF, denoted as group ELF(+) (200 malfunctioning endocardial leads).<\/jats:p><jats:p>The percentage of women was higher in the ELF(+) group than in the ELF(\u2010) group (42.7%\u00a0vs 30.0%; P\u00a0\u00a0=\u00a0\u00a00.006). The ELF(+) patients had more endocardial leads implanted via subclavian vein puncture (80.0%\u00a0vs 72.4%; P\u00a0\u00a0=\u00a0\u00a00.032), had more indwelling leads in the cardiovascular system (1.94\u00a0vs 1.8; P\u00a0\u00a0=\u00a0\u00a00.03), were older (68.9\u00a0vs 66.0 years old; P\u00a0\u00a0=\u00a0\u00a00.028), and had better left ventricular ejection fractions than the ELF(\u2010) patients (48.0%\u00a0vs 40.7%; P\u00a0&lt;\u00a00.001). The time interval to ELF occurrence was significantly longer for pacing leads than for cardioverter\u2010defibrillator leads (95.7\u00a0vs 65.7 months; P\u00a0\u00a0=\u00a0\u00a00.016). The most important factor associated with ELF was subclavian vein puncture, increasing the risk of ELF occurrence by 2.5\u2010fold and 2.7\u2010fold in the univariate and multivariate Cox proportional hazards regression models, respectively. The presence of a cardioverter\u2010defibrillator lead increased the risk of ELF by 1.9\u2010fold and 2.7\u2010fold in the univariate and multivariate models, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The most significant factors predisposing patients to ELF are the lead implantation approach and the presence of a cardioverter\u2010defibrillator lead.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.13463","type":"journal-article","created":{"date-parts":[[2018,7,29]],"date-time":"2018-07-29T07:27:57Z","timestamp":1532849277000},"page":"1217-1223","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Analysis of electrical lead failures in patients referred for transvenous lead extraction procedures"],"prefix":"10.1111","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8331-3210","authenticated-orcid":false,"given":"Andrzej","family":"Z\u0105bek","sequence":"first","affiliation":[{"name":"Department of Electrocardiology The John Paul II Hospital  Krak\u00f3w Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Krzysztof","family":"Boczar","sequence":"additional","affiliation":[{"name":"Department of Electrocardiology The John Paul II Hospital  Krak\u00f3w Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maciej","family":"D\u0119bski","sequence":"additional","affiliation":[{"name":"Department of Electrocardiology The John Paul II Hospital  Krak\u00f3w Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mateusz","family":"Ulman","sequence":"additional","affiliation":[{"name":"Department of Electrocardiology The John Paul II Hospital  Krak\u00f3w 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