{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T00:09:12Z","timestamp":1769299752913,"version":"3.49.0"},"reference-count":23,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,11,21]],"date-time":"2022-11-21T00:00:00Z","timestamp":1668988800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Atrial fibrillation and flutter are often treated with external electrical cardioversion (ECV) in patients with potentially electrically sensitive cardiovascular implantable electronic devices (CIED). Long\u2010term follow\u2010up data on contemporary CIED undergoing ECV is sparse. The aim is to investigate shock\u2010related complications and impact on CIEDs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>All ECV procedures from 2010 to 2020 in patients with CIED performed at a tertiary university hospital were identified in the Danish National Patient Registry. Changes in device measurements after ECV were retrospectively studied and procedure\u2010related complications were identified by review of medical records.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We analyzed 763 ECV procedures in 372 patients, median device implant time 1.9\u00a0years. The mean age of patients was 69.9\u00a0\u00b1\u00a09.9\u00a0years of which 73.4% were men. We identified two cases of device programming changes and four cases of premature battery depletion (\u22643\u00a0years after device implant). Minor changes in device measurements were found for impedances, sensing, and pacing thresholds. No patients died due to ECV\u2010related device dysfunctions within the first 12 months after cardioversions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>External cardioversion in patients with contemporary pacemakers and implantable cardioverter\u2010defibrillators seems safe in the majority of patients. Clinically important changes in device function following cardioversion were rarely observed but may be critical for device function. In an observational study, causality between cardioversion and device dysfunction cannot be established. For patient safety, we suggest that routine device interrogation after cardioversion still should be part of standard care.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14616","type":"journal-article","created":{"date-parts":[[2022,11,5]],"date-time":"2022-11-05T06:54:41Z","timestamp":1667631281000},"page":"108-113","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["External cardioversion of atrial fibrillation and flutter in patients with cardiac implantable electrical devices"],"prefix":"10.1111","volume":"46","author":[{"given":"Anders Fyhn","family":"Elgaard","sequence":"first","affiliation":[{"name":"Department of Cardiology Aalborg University Hospital  Aalborg Denmark"},{"name":"Department of Clinical Medicine Aalborg University  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pia Thisted","family":"Dinesen","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia and Intensive Care Medicine Aalborg University Hospital  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sam","family":"Riahi","sequence":"additional","affiliation":[{"name":"Department of Cardiology Aalborg University Hospital  Aalborg Denmark"},{"name":"Department of Clinical Medicine Aalborg University  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Hansen","sequence":"additional","affiliation":[{"name":"Department of Health Science and Technology Aalborg University  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00f8ren","family":"Lundbye\u2010Christensen","sequence":"additional","affiliation":[{"name":"Department of Research Data and Statistics Aalborg University Hospital  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna Margrethe","family":"Th\u00f8gersen","sequence":"additional","affiliation":[{"name":"Department of Cardiology Aalborg University Hospital  Aalborg Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacob Moesgaard","family":"Larsen","sequence":"additional","affiliation":[{"name":"Department of Cardiology Aalborg University Hospital  Aalborg Denmark"},{"name":"Department of Clinical Medicine Aalborg University  Aalborg 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