{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T01:49:54Z","timestamp":1747187394390,"version":"3.40.5"},"reference-count":23,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2021,7,18]],"date-time":"2021-07-18T00:00:00Z","timestamp":1626566400000},"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":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Subselection inner catheters (Inner\u2010Cath) are used adjunctively with outer guiding catheters (Outer\u2010Cath) during cardiac resynchronization therapy (CRT) device implantation. This study aims to investigate the feasibility and efficacy of left ventricular lead placement (LV\u2010LP) guided by Inner\u2010Cath alone.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 74 patients undergoing de novo CRT implantation were investigated. LV\u2010LP was initially guided by Inner\u2010Cath in 42 patients (Inner\u2010Cath group) and Outer\u2010Cath in 32 patients (Outer\u2010Cath group). In the Inner\u2010Cath group, a 7Fr Inner\u2010Cath was advanced to the coronary sinus through a 7 Fr sheath inserted in a subclavian vein. In the Outer\u2010Cath group, 9Fr or 10Fr Outer\u2010Caths were used. Success rate of LV\u2010LP, additional use of inner or outer catheters and procedure\u2010related complications were compared between groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>LV\u2010LP was successful in all patients in the Inner\u2010Cath group, while LV\u2010LP had to be abandoned in two patients (6.3%) of the Outer\u2010Cath group due to CS perforation caused by Outer\u2010Cath manipulation. Procedure time was significantly shorter in the Inner\u2010Cath group (148 vs. 168\u00a0min; <jats:italic>p<\/jats:italic>\u00a0=\u00a0.024). Deployment of both an inner and outer cath became necessary less frequently for the Inner\u2010Cath group (4.8% vs. 56.3%; <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.001). Mechanical CS injuries due to guiding catheter manipulation were only observed in the Outer\u2010Cath group (0% vs. 15.6%, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.013).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>LV\u2010LP guided by Inner\u2010Cath alone was feasible in over 95% of the patients without severe complications. This methodology for LV\u2010LP may be preferable in CRT candidates with severe LV dysfunction in terms of shorter procedure time, smaller guiding sheath, and less procedure\u2010related complications.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14307","type":"journal-article","created":{"date-parts":[[2021,7,2]],"date-time":"2021-07-02T10:29:16Z","timestamp":1625221756000},"page":"1331-1339","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Left ventricular lead placement using inner guiding catheter alone in cardiac resynchronization therapy device implantation"],"prefix":"10.1111","volume":"44","author":[{"given":"Kazuto","family":"Hayasaka","sequence":"first","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5085-0810","authenticated-orcid":false,"given":"Takeshi","family":"Sasaki","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ko","family":"Akimoto","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kento","family":"Yabe","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chisashi","family":"Toya","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shu","family":"Yamashita","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahito","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koji","family":"Sugiyama","sequence":"additional","affiliation":[{"name":"Heart Rhythm Center National Hospital Organization Disaster Medical Center  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiko","family":"Goya","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Tokyo Medical and Dental University  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3582-6104","authenticated-orcid":false,"given":"Tetsuo","family":"Sasano","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Tokyo Medical and Dental University  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,7,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa013168"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa032423"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa050496"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa0906431"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehl099"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1009540"},{"key":"e_1_2_9_8_1","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCHEARTFAILURE.115.002324","article-title":"National Cardiovascular Data Registry. 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