{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:56:47Z","timestamp":1790211407252,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,12,11]],"date-time":"2021-12-11T00:00:00Z","timestamp":1639180800000},"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":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Antiarrhythmic drugs (AADs) and catheter ablation are first line treatments of paroxysmal atrial fibrillation (PAF), however, there exists a paucity of data regarding the potential benefit of different catheter ablation technologies versus AADs as an early rhythm strategy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To assess the safety and efficacy of cryoablation versus radiofrequency ablation (RFA) versus AADs as a first line therapy of PAF.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>MEDLINE, Embase, Scopus and CENTRAL were searched to retrieve randomized clinical trials (RCTs) comparing cryoablation, RFA or AADs to one another as first line therapies for atrial fibrillation (AF). The primary outcome was overall freedom from arrhythmia recurrence (AF, atrial flutter [AFL], atrial tachycardia). Secondary outcomes included freedom from symptomatic arrhythmia recurrence, hospitalization, and serious adverse events. A random\u2010effects Bayesian network meta\u2010analysis was used to calculate odds ratios (OR) and 95% credible intervals (CrI).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Six RCTs (<jats:italic>N<\/jats:italic>\u2009=\u20091212) met the inclusion criteria (605 AADs, 365 Cryoablation, and 245 RFA). Compared with AADs, overall recurrence was reduced with RFA (OR: 0.31; 95% CrI: 0.10\u20130.71) and cryoablation (OR: 0.39; 95% CrI: 0.16\u20131.00). Comparing ablation (cryoablation and RFA) with AADs in respect to freedom from symptomatic AF recurrence, neither cryoablation (OR: 0.35; 95% CrI: 0.06\u20131.96) nor RFA (OR: 0.34; 95% CrI: 0.07\u20131.27) resulted in statistically significant reductions individually compared to AADs, though pooled ablation with both technologies showed lower odds of arrhythmia recurrence (OR: 0.35; 95% CrI: 0.13\u20130.79). In terms of serious adverse events rates, neither cryoablation (OR: 0.77; 95% CrI: 0.44\u20131.39) nor RFA (OR: 1.45; 95% CrI: 0.67\u20133.23) were significantly different to AADs. RFA resulted in a statistically significant reduction in hospitalizations compared to AAD (OR: 0.08; 95% CrI: 0.01\u20130.99), whereas cryoablation did not (OR: 0.77; 95% CrI: 0.44\u20131.39). The surface under the cumulative ranking curve showed RFA to be the most effective treatment at reducing overall rates of recurrence, symptomatic recurrence and hospitalizations; whereas cryoablation was most likely to reduce serious adverse events.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Cryoablation and RFA are both effective and safe first line therapies for AF compared to AADs, with RFA being the most effective at reducing recurrences.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.15308","type":"journal-article","created":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T13:58:13Z","timestamp":1638453493000},"page":"197-208","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Bayesian network meta\u2010analysis comparing cryoablation, radiofrequency ablation, and antiarrhythmic drugs as initial therapies for atrial fibrillation"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6579-8576","authenticated-orcid":false,"given":"Mahmoud","family":"Elsayed","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Medicine, Cardiovascular Institute at Allegheny Health Network Allegheny General Hospital Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8025-9212","authenticated-orcid":false,"given":"Omar M.","family":"Abdelfattah","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Morristown Medical Center Atlantic Health System Morristown New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed","family":"Sayed","sequence":"additional","affiliation":[{"name":"Department of Medicine, Faculty of Medicine Ain Shams University Cairo Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rohan Madhu","family":"Prasad","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Michigan State University East Lansing Michigan USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amr F.","family":"Barakat","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, UPMC Heart and Vascular Institute University of Pittsburgh Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Islam Y.","family":"Elgendy","sequence":"additional","affiliation":[{"name":"Department of Medicine Weill Cornell Medicine\u2010Qatar Doha Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Andrade","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Montreal Heart Institute Universit\u00e9 de Montr\u00e9al, Canada; 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