{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T16:44:10Z","timestamp":1786207450401,"version":"build-2736575974"},"reference-count":22,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T00:00:00Z","timestamp":1786147200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T00:00:00Z","timestamp":1786147200000},"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":["Pacing Clinical Electrophis"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Current of injury (COI) predicts stability and acute improvement in electrical parameters in transvenous pacing or high\u2010voltage leads; however, the periprocedural value of this marker in leadless pacemakers (LLPs) is unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>From March 2021 to October 2022, 66 consecutive Micra LLP pacemaker candidates were enrolled. Electrograms (EGMs) and electrical measures were acquired immediately after the deployment and 5\u00a0min after. The primary outcomes were an acute reduction in pacing threshold and, conversely, a need for device repositioning.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Fifty\u2010one patients were included in the final analysis after excluding poor\u2010quality EGMs and pacemaker\u2010dependent cases (\n                      <jats:italic>n<\/jats:italic>\n                      = 15). COI was identified in 32 (62%). There were no differences in the initial electrical measures between the COI+ and COI\u2212 groups (\n                      <jats:italic>p<\/jats:italic>\n                      value = 0.33, 0.37, 0.89 for impedance, pacing threshold, and sensing, respectively). Notably, the capture threshold significantly improved only in the COI+ group within 5 min (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.002). A subgroup analysis of COI+ revealed that the saddleback type of injury (Type 2) was associated with a more significant acute reduction in the capture threshold (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.02). Repositioning occurred in three subjects, and acute dislodgment at the tug\u2010test occurred in two patients, all from the COI\u2013 group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>COI is associated with an acute improvement of capture threshold, particularly when a Type 2 pattern is noted. The absence of injury, in contrast, could reflect inadequate fixation and a need for repositioning.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/pace.70338","type":"journal-article","created":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T16:21:13Z","timestamp":1786206073000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prevalence and Periprocedural Value of Current of Injury at the Implantation of a Passive Fixation Leadless Pacemaker"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9770-8675","authenticated-orcid":false,"given":"Nicola","family":"Tarantino","sequence":"first","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2877-584X","authenticated-orcid":false,"given":"Samuel J.","family":"Apple","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0366-8765","authenticated-orcid":false,"given":"Eugen C.","family":"Palma","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nils A.","family":"Guttenplan","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akhil","family":"Parashar","sequence":"additional","affiliation":[{"name":"Tidal Health  Salisbury Maryland USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2567-914X","authenticated-orcid":false,"given":"Eric D.","family":"Manheimer","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew K.","family":"Krumerman","sequence":"additional","affiliation":[{"name":"Department of Medicine Division of Cardiology, Northwell Health Donald and Barbara Zucker School of Medicine at Hofstra\/Northwell  Hempstead New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Grushko","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"},{"name":"Department of Medicine Division of Cardiology Jacobi Medical Center  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6508-4047","authenticated-orcid":false,"given":"Luigi","family":"Di Biase","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"},{"name":"Department of Biomedical Engineering Cockrell School of Engineering University of Texas  Austin Texas USA"},{"name":"Texas Cardiac Arrhythmia Institute St. David's Medical Center  Austin Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-9017-8447","authenticated-orcid":false,"given":"Jay N.","family":"Gross","sequence":"additional","affiliation":[{"name":"Department of Medicine, Division of Cardiology Section of Arrhythmia, Montefiore Medical Center Albert Einstein College of Medicine  Bronx New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,8]]},"reference":[{"issue":"4","key":"e_1_2_14_2_1","article-title":"One\u2010Year Safety and Performance of a Dual\u2010Chamber Leadless Pacemaker","volume":"18","author":"Knops R. 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