Arquivos brasileiros de cardiologia · 2025
Efficacy and Safety of Adjunctive Posterior Wall Isolation in Patients with Persistent Atrial Fibrillation: A Systematic Review and Meta-Analysis.
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод в очереди
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Novaes João Vitor Levindo Coelho, Brasil David de Pádua, Faria Flavia Maria de Freitas, Garcia Isadora Soares Bicalho, Pimenta Camila Ribeiro, Guimarães Nathalia Sernizon, Malachias Marcus Vinicius Bolivar
Аннотация
BACKGROUND: In patients with persistent atrial fibrillation (AF), addition of posterior wall isolation (PWI) to pulmonary vein isolation (PVI) is controversial.
OBJECTIVE: Compare PVI plus PWI versus PVI alone in patients with persistent AF.
METHODS: We searched PubMed (by MEDLINE), Embase, LILACS, CENTRAL (by Cochrane Library), and Clinicaltrials.gov databases for randomized trials comparing PVI + PWI and PVI alone in persistent AF. The outcomes were: (i) AF recurrence; (ii) composite of recurrent atrial arrhythmias (i.e., AF, atrial tachycardia, or atrial flutter); (iii) major clinical complications (i.e., pericardial effusion or tamponade, sinus node dysfunction, or atrioesophageal fistula); (iv) mean ablation time. Risk of bias and quality of evidence were evaluated using the Cochrane Risk of Bias 2.0 tool and GRADE, respectively. Statistical significance was set at 5%, and subgroup and sensitivity analyses were performed.
RESULTS: We included eight studies and 1119 patients, of which 561 underwent PVI + PWI. During follow-up (12 - 24 months), recurrence of AF was significantly reduced with adjunctive PWI (RR 0.66, 95% CI 0.44-0.98). Composite of recurrent atrial arrhythmias did not differ significantly (RR 0.83, 95% CI 0.65-1.06). Major clinical complications (RR 0.81, 95% CI 0.42-1.58) were similar, with PVI alone having a shorter mean procedure time (mean difference -23.37 minutes, 95% CI -30.23, -16.50).
CONCLUSION: Adjunctive PWI appears to be effective in improving recurrent AF, but not recurrence of all atrial arrhythmias. Procedure time was longer with PVI + PWI without significant change in overall safety. Further studies should focus on long-term benefit.
OBJECTIVE: Compare PVI plus PWI versus PVI alone in patients with persistent AF.
METHODS: We searched PubMed (by MEDLINE), Embase, LILACS, CENTRAL (by Cochrane Library), and Clinicaltrials.gov databases for randomized trials comparing PVI + PWI and PVI alone in persistent AF. The outcomes were: (i) AF recurrence; (ii) composite of recurrent atrial arrhythmias (i.e., AF, atrial tachycardia, or atrial flutter); (iii) major clinical complications (i.e., pericardial effusion or tamponade, sinus node dysfunction, or atrioesophageal fistula); (iv) mean ablation time. Risk of bias and quality of evidence were evaluated using the Cochrane Risk of Bias 2.0 tool and GRADE, respectively. Statistical significance was set at 5%, and subgroup and sensitivity analyses were performed.
RESULTS: We included eight studies and 1119 patients, of which 561 underwent PVI + PWI. During follow-up (12 - 24 months), recurrence of AF was significantly reduced with adjunctive PWI (RR 0.66, 95% CI 0.44-0.98). Composite of recurrent atrial arrhythmias did not differ significantly (RR 0.83, 95% CI 0.65-1.06). Major clinical complications (RR 0.81, 95% CI 0.42-1.58) were similar, with PVI alone having a shorter mean procedure time (mean difference -23.37 minutes, 95% CI -30.23, -16.50).
CONCLUSION: Adjunctive PWI appears to be effective in improving recurrent AF, but not recurrence of all atrial arrhythmias. Procedure time was longer with PVI + PWI without significant change in overall safety. Further studies should focus on long-term benefit.