{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T11:26:19Z","timestamp":1740137179213,"version":"3.37.3"},"reference-count":17,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,9,10]],"date-time":"2022-09-10T00:00:00Z","timestamp":1662768000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The safety and utility of the Advisor\u2122 High\u2010Density Grid mapping catheter (HDGC) in children and congenital heart disease (CHD) patients are not well described.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A single\u2010center retrospective cohort study of pediatric and CHD patients undergoing electrophysiology study and ablation to determine the effect of HDGC use on outcomes including complications, fluoroscopy use, procedure duration, acute ablation success, and arrhythmia recurrence.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>HDGC was used in 74\/261 (28.3%) cases. HDGC subjects differed by median age (17 vs. 13 years; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001),\u00a0weight (68 vs. 50\u2009kg; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), and prevalence of significant CHD (42% vs. 3%; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Arrhythmia substrates were dissimilar: HGDC cases had higher frequencies of intra\u2010atrial re\u2010entrant tachycardia (25.7% vs. 0.5%), atrial flutter (8.1% vs. 1.1%), ectopic atrial tachycardia (13.5% vs. 3.7%), and premature ventricular contractions (9.5% vs. 0.5%), and lower incidences of atrioventricular re\u2010entrant tachycardia (16.2% vs. 46.1%). Complications were rare (<jats:italic>n<\/jats:italic>\u2009=\u20095, 1.9%) with no significant difference between groups (<jats:italic>p<\/jats:italic>\u2009=\u20091.00). Procedure duration\u2014but not fluoroscopy exposure\u2014was significantly longer in HDGC cases (median 256 vs. 216\u2009min, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Acute success was lower (93.2% vs. 99.4%; <jats:italic>p<\/jats:italic>\u2009=\u20090.01) and recurrences higher (13.2% vs. 3.8%; <jats:italic>p<\/jats:italic>\u2009=\u20090.016) in HDGC compared to non\u2010HDGC cases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>HDGC use in children and CHD patients is safe and not associated with higher complication rates. The lower acute success and higher recurrence rates in HDGC cases likely reflect a bias toward HDGC use in more complex arrhythmia substrates rather than less favorable ablation outcomes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.15667","type":"journal-article","created":{"date-parts":[[2022,8,30]],"date-time":"2022-08-30T21:14:40Z","timestamp":1661894080000},"page":"2344-2350","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["The high\u2010density grid catheter: A safe adjunctive tool in pediatric and complex congenital heart disease patients"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2265-0277","authenticated-orcid":false,"given":"Claire","family":"Newlon","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology, Primary Children's Hospital University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.\u00a0Yukiko","family":"Asaki","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology, Primary Children's Hospital University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas A.","family":"Pilcher","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology, Primary Children's Hospital University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhining","family":"Ou","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Division of Epidemiology University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susan P.","family":"Etheridge","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology, Primary Children's Hospital University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mary C.","family":"Niu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology, Primary Children's Hospital University of Utah Salt Lake City Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,9,10]]},"reference":[{"issue":"2","key":"e_1_2_9_2_1","first-page":"1054","article-title":"Anatomic challenges in pediatric catheter ablation","volume":"7","author":"Pilcher TA","year":"2014","journal-title":"J Atr Fibrillation"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1161\/JAHA.117.005772"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2018.07.020"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.116.004155"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrcr.2018.12.012"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00392-019-01592-x"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/jce.14636"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrcr.2020.09.009"},{"key":"e_1_2_9_10_1","unstructured":"Abbott. 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