{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T14:22:42Z","timestamp":1766067762069,"version":"3.37.3"},"reference-count":18,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,5,26]],"date-time":"2023-05-26T00:00:00Z","timestamp":1685059200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Catheter ablation of the atrioventricular node (AVN) is an effective treatment for patients with symptomatic atrial fibrillation. This study compares the success rate, procedure time, radiation time, and complication rates of retrograde left\u2010sided (LSA) and anterograde right\u2010sided (RSA) AVN ablation in a randomised controlled trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Thirty\u2010one\u00a0patients undergoing AVN ablation were randomized to either LSA (15 patients) or RSA (16 patients). Crossover occurred after six unsuccessful radiofrequency (RF) applications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The LSA cohort had a mean age of 77.00\u2009\u00b1\u20095.17 and the RSA cohort was 79.44\u2009\u00b1\u20096.08 (<jats:italic>p<\/jats:italic>\u2009=\u2009.0240). There were five crossovers from LSA to RSA and there was one crossover from RSA to LSA. There was no significant difference in ablation time between LSA and RSA (210.40\u2009\u00b1\u2009179.77\u00a0vs. 192.19\u2009\u00b1\u2009130.29\u2009seconds, <jats:italic>p<\/jats:italic>\u2009=\u2009.748). There was no significant difference in procedure time, fluoroscopy time, radiation dose, or number of RF applications between the two groups. There was 1 (6.67%) serious adverse event in the LSA group and 1 (6.25%) in the RSA group due to femoral hematomas requiring blood transfusion or intervention. There was no significant difference in patient\u2010reported discomfort between LSA and RSA (16.43\u2009\u00b1\u200920.67 vs. 17.87\u2009\u00b1\u200928.08, <jats:italic>p<\/jats:italic>\u2009=\u2009.877). The study was stopped before full recruitment due to futility.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Retrograde LSA of the AVN does not reduce RF applications, procedure time, or radiation exposure compared with conventional RSA and cannot be recommended as a first\u2010line clinical approach.<\/jats:p><\/jats:sec>","DOI":"10.1002\/clc.24038","type":"journal-article","created":{"date-parts":[[2023,5,26]],"date-time":"2023-05-26T10:19:30Z","timestamp":1685096370000},"page":"785-793","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A randomized comparison of retrograde left\u2010sided versus anterograde right\u2010sided ablation of the atrioventricular junction"],"prefix":"10.1002","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1583-2494","authenticated-orcid":false,"given":"Rajdip","family":"Dulai","sequence":"first","affiliation":[{"name":"Cardiology Research 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