{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T11:56:45Z","timestamp":1774007805167,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2022,9,22]],"date-time":"2022-09-22T00:00:00Z","timestamp":1663804800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Permanent pacemaker implantation (PPI) after transcatheter valve implantation (TAVI) is a common complication. Pre-existing right bundle branch block (RBBB) is a strong risk factor for PPI after TAVI. However, a patient-specific approach for risk stratification in this subgroup has not yet been established. Methods: We investigated TAVI patients with pre-existing RBBB to stratify risk factors for PPI and 1-year-mortality by detailed analysis of ECG data, RBBB morphology and degree of calcification in the implantation area assessed by computed tomography angiography. Results: Between 2010 and 2018, 2129 patients underwent TAVI at our institution. Among these, 98 pacemaker-na\u00efve patients with pre-existing RBBB underwent a TAVI procedure. PPI, because of relevant conduction disturbances (CD), was necessary in 43 (43.9%) patients. PPI was more frequently indicated in women vs. men (62.1% vs. 32.8%, p = 0.004) and in men treated with a self-expandable vs. a balloon-expandable valve (58.3% vs. 26.5%, p = 0.035). ECG data (heart rhythm, PQ, QRS, QT) and RBBB morphology had no influence on PPI rate, whereas risk for PPI increased with the degree of calcification in the left septal His-\/left bundle branch-area to a 9.375-fold odds for the 3rd tertile of calcification (1.639\u201353.621; p = 0.012). Overall, 1-year-mortality was comparable among patients with or without PPI (14.0% vs. 16.4%; p = 0.697). Conclusions: Patients with RBBB undergoing TAVI have a high risk of PPI. Among this subgroup, female patients, male patients treated with self-expandable valve types, patients with high load\/degree of non-coronary LVOT calcification and patients with atrial fibrillation need enhanced surveillance for CD after procedure.<\/jats:p>","DOI":"10.3390\/jcm11195580","type":"journal-article","created":{"date-parts":[[2022,9,22]],"date-time":"2022-09-22T21:10:05Z","timestamp":1663881005000},"page":"5580","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Risk Stratification for Pacemaker Implantation after Transcatheter Aortic Valve Implantation in Patients with Right Bundle Branch Block"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0785-8846","authenticated-orcid":false,"given":"Simon","family":"Schoechlin","sequence":"first","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3674-790X","authenticated-orcid":false,"given":"Martin","family":"Eichenlaub","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8436-3591","authenticated-orcid":false,"given":"Bj\u00f6rn","family":"M\u00fcller-Edenborn","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Franz-Josef","family":"Neumann","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Arentz","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dirk","family":"Westermann","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6402-2845","authenticated-orcid":false,"given":"Amir","family":"Jadidi","sequence":"additional","affiliation":[{"name":"Division of Cardiology & Angiology, University Heart Center Freiburg-Bad Krozingen, University Freiburg, S\u00fcdring 15, 79189 Bad Krozingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1016\/j.jcin.2013.08.015","article-title":"Impact of New-Onset Persistent Left Bundle Branch Block on Late Clinical Outcomes in Patients Undergoing Transcatheter Aortic Valve Implantation With a Balloon-Expandable Valve","volume":"7","author":"Urena","year":"2014","journal-title":"JACC Cardiovasc. 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