Meta Analysis for the Efficacy and Safety Between Different Ablation Endpoints in Patients With Atrioventricular Nodal Reentrant Tachycardia / 中国循环杂志

ABSTRACT

Objective:Slow-pathway ablation is a radical cure method for treating atrioventricular nodal reentrant tachycardia (AVNRT).We conducted a meta-analysis to compare the efficacy and safety for the ablation endpoints between complete slow-pathway block and with residual slow-pathway conduction in AVNRT patients.Methods:We searched Pubmed,Cochrane Library and Wanfang,VIP data bases to enroll and compared the above 2 ablation endpoints.Our research was divided into 2 groupsComplete slow-pathway block group and Residual slow-pathway conduction group.Meta-analysis was performed by Revman5.3 software.Results:A total of 24 subjects and 4799 patients were enrolled.Compared with Residual slow-pathway conduction group,Complete slow-pathway block group had decreased risk for AVNRT recurrence (OR=0.24,P＜0.0001);the risk for atrioventricular block occurrence was similar between 2 groups (OR=2.58,P=0.18).Conclusion:Complete slow-pathway block has the lower AVNRT recurrent rate and it doesn't increase risk of atrioventricular block.