{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T15:01:19Z","timestamp":1780498879249,"version":"3.54.1"},"reference-count":4,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T00:00:00Z","timestamp":1769558400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T00:00:00Z","timestamp":1769558400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Helix\u2010fixation dual\u2010chamber leadless pacemakers reliably provide bradycardia pacing, yet mechanical complexity of the delivery system can rarely lead to procedural failure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Presentation<\/jats:title>\n                    <jats:p>During atrial leadless pacemaker implantation, resistance felt when transitioning to tether mode suggested tether entrapment within a damaged torque shaft, resulting in mechanical distortion or fracture and preventing both device release and redocking. A controlled bailout maneuver\u2014advancing the protective sleeve near the helix and rotating the entire catheter system counterclockwise\u2014enabled safe unscrewing and withdrawal without complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This report describes a previously unreported tether\u2010related malfunction and a practical maneuver for resolving this failure mechanism.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jce.70277","type":"journal-article","created":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T05:26:01Z","timestamp":1769664361000},"page":"880-883","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tether Entrapment and Fracture Preventing Release and Redocking of a Helix\u2010Fixation Atrial Leadless Pacemaker: Successful Resolution With a Protective Sleeve\u2013Assisted Bailout Maneuver"],"prefix":"10.1111","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8048-4890","authenticated-orcid":false,"given":"Shuhei","family":"Arai","sequence":"first","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takamasa","family":"Ishikawa","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rimpei","family":"Ueno","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yosuke","family":"Kai","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruka","family":"Miyazaki","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saori","family":"Chino","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kosuke","family":"Yoshikawa","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuya","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taku","family":"Asano","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshiro","family":"Shinke","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Showa Medical University School of Medicine Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,28]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/jce.15918"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacep.2025.04.031"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2024.09.053"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrcr.2024.04.010"}],"container-title":["Journal of Cardiovascular Electrophysiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jce.70277","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/jce.70277","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jce.70277","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T14:02:55Z","timestamp":1780495375000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/jce.70277"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1,28]]},"references-count":4,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026,4]]}},"alternative-id":["10.1111\/jce.70277"],"URL":"https:\/\/doi.org\/10.1111\/jce.70277","archive":["Portico"],"relation":{},"ISSN":["1045-3873","1540-8167"],"issn-type":[{"value":"1045-3873","type":"print"},{"value":"1540-8167","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1,28]]},"assertion":[{"value":"2025-12-01","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication 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