The use of intracardiac echocardiography catheters in endocardial ablation of cardiac arrhythmia: Meta-analysis of efficiency, effectiveness, and safety outcomes.

Other sensitivity analyses including use of the HKSJ method ( P = .10), removal of one outlying and influential study ( P = .09), 27 inclusion of two studies with imputed means and/or SD values ( P = .09), 23 , 34 and use of an alternate group for 3‐arm studies ( P = .07), 10 , 11 , 29 were directionally similar but failed to reach statistical significance (Table S4). 3.3 Effectiveness outcomes: acute success and freedom from arrhythmia 3.3.1 Acute success Thirteen studies were included in the analysis, 10 , 22 , 25 , 26 , 27 , 28 , 31 , 32 , 33 , 34 , 35 , 36 , 38 11 of which reported 100% acute success in one or both arms. 10 , 22 , 25 , 26 , 27 , 28 , 31 , 33 , 34 , 35 , 36 Therefore, there was little heterogeneity among studies (I 2 = 30%).

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