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Table 2 Baseline procedural characteristics of the study population

From: Catheter ablation of atrial fibrillation in Korea: results from the Korean Heart Rhythm Society Ablation Registry for Atrial Fibrillation (KARA)

Variables

Total (N = 2402)

First-time ablation

2132 (88.8%)

Redo ablation

270 (11.2%)

Energy source

 Radiofrequency

2212 (92.1%)

 Cryoenergy

190 (7.9%)

Mode of sedation

 No sedation

74 (3.1%)

 Deep sedation

1939 (80.7%)

 General anesthesia

389 (16.2%)

Start rhythm1

 SR

1265 (52.7%)

 AF/AT

1137 (47.3%)

Procedure time (min)

197.6 ± 90.2

Ablation time (min)

57.4 ± 42.0

Fluoroscopic time (min)

33.8 ± 27.0

  1. Categorical data are expressed in frequency (percentage) and continuous data are expressed in mean ± standard deviation
  2. 1Starting rhythm is the ECG rhythm at the beginning of the first energy application
  3. AF, atrial fibrillation; AT, atrial tachycardia; SR, sinus rhythm