{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T11:03:59Z","timestamp":1759230239697,"version":"3.41.2"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"9","license":[{"start":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T00:00:00Z","timestamp":1691107200000},"content-version":"vor","delay-in-days":2,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"NSW early-mid Career Fellowship"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,8,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Aims<\/jats:title>\n                  <jats:p>There are limited data on emergency catheter ablation (CA) for ventricular arrhythmia (VA) storm. We describe the feasibility and safety of performing emergency CA in an out-of-hours setting for VA storm refractory to medical therapy at 2 tertiary hospitals.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods and results<\/jats:title>\n                  <jats:p>Twenty-five consecutive patients underwent out-of-hours (5pm\u20138am [weekday] or Friday 5pm\u2013Monday 8am [weekend]) CA for VA storm refractory to anti-arrhythmic drugs and sedation. Baseline and procedural characteristics along with outcomes were compared to 91 consecutive patients undergoing weekday daytime-hours (8am-5pm) CA for VA storm. More patients undergoing out-of-hours CA had a left ventricular ejection fraction \u226435% (68% vs. 42%, P = 0.022), chronic kidney disease (60% vs. 20%, P &amp;lt; 0.001), and presented following a resuscitated out-of-hospital cardiac arrest (56% vs. 5%, P &amp;lt; 0.001), compared to the daytime-hours group. During median follow-up (377 [interquartile range 138-826] days), both groups experienced similar survival free from recurrent VA and VA storm. Survival free from cardiac transplant and\/or mortality was lower in the out-of-hours group (44% vs. 81%, P = 0.007), but out-of-hours CA was not independently associated with increased cardiac transplant and\/or mortality (hazard ratio 1.34, 95% confidence interval 0.61-2.96, P = 0.47). Of the 11 patients in the out-of-hours group who survived follow-up, VA-free survival was 91% and VA storm-free survival was 100% at 1-year after CA.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Out-of-hours CA may occasionally be required to control VA storm and can be safe and efficacious in this scenario. During follow-up, cardiac transplant and\/or mortality is common but undergoing out-of-hours CA was not predictive of this composite endpoint.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/europace\/euad215","type":"journal-article","created":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T08:41:32Z","timestamp":1691138492000},"source":"Crossref","is-referenced-by-count":4,"title":["Emergency out-of-hours catheter ablation for ventricular arrhythmia storm: a UK and Australian experience"],"prefix":"10.1093","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9823-3993","authenticated-orcid":false,"given":"Richard G","family":"Bennett","sequence":"first","affiliation":[{"name":"Cardiology Department, Bristol Heart Institute , Bristol , United Kingdom"},{"name":"Cardiology Department, Westmead Hospital, Westmead Applied Research Centre, University of Sydney , Corner Hawkesbury and Darcy Roads, Westmead, New South Wales 2145 , 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