Table 2

Ablation procedure characteristics

CharacteristicGroup AGroup BGroup CAllP-valuea
Mechanical support present, n (%)19 (24.7)5 (38.5)11 (33.3)35 (28.5)0.360
 ECMO present, n (%)1 (1.3)0 (0.0)3 (9.1)4 (3.3)0.080
 Impella present, n (%)17 (22.1)4 (30.8)7 (21.2)28 (22.8)1.000
 IABP present, n (%)2 (2.6)1 (7.7)4 (12.1)7 (5.7)0.065
Pericardial access, n (%)9 (11.7)1 (7.7)4 (12.1)14 (11.4)1.000
Number of VTs induced, median (IQR)2 (1–3)2 (2–3)2 (1–3)2 (1–3)0.311
Number of VTs mapped, median (IQR)1 (0–2)1 (1–2)2 (0–1)1 (0–2)0.082
Number of patients with at least one VT terminated with ablation, n (%)34 (44.2)6 (46.2)8 (24.2)48 (39.0)0.056
Number of patients requiring external shock/ATP during the procedure, n (%)32 (41.6)7 (53.9)25 (75.8)64 (52.0)0.002
Procedure time in minutes, mean ± SD277.2 ± 100.1255.7 ± 68.0268.2 ± 76.1272.5 ± 90.90.644
CharacteristicGroup AGroup BGroup CAllP-valuea
Mechanical support present, n (%)19 (24.7)5 (38.5)11 (33.3)35 (28.5)0.360
 ECMO present, n (%)1 (1.3)0 (0.0)3 (9.1)4 (3.3)0.080
 Impella present, n (%)17 (22.1)4 (30.8)7 (21.2)28 (22.8)1.000
 IABP present, n (%)2 (2.6)1 (7.7)4 (12.1)7 (5.7)0.065
Pericardial access, n (%)9 (11.7)1 (7.7)4 (12.1)14 (11.4)1.000
Number of VTs induced, median (IQR)2 (1–3)2 (2–3)2 (1–3)2 (1–3)0.311
Number of VTs mapped, median (IQR)1 (0–2)1 (1–2)2 (0–1)1 (0–2)0.082
Number of patients with at least one VT terminated with ablation, n (%)34 (44.2)6 (46.2)8 (24.2)48 (39.0)0.056
Number of patients requiring external shock/ATP during the procedure, n (%)32 (41.6)7 (53.9)25 (75.8)64 (52.0)0.002
Procedure time in minutes, mean ± SD277.2 ± 100.1255.7 ± 68.0268.2 ± 76.1272.5 ± 90.90.644

ATP, anti-tachycardia pacing; ECMO, extracorporeal membrane oxygenation; IABP, intra-aortic balloon pump; IQR, interquartile range; SD, standard deviation; VT, ventricular tachycardia.

aStatistical comparison between Groups A and C.

Table 2

Ablation procedure characteristics

CharacteristicGroup AGroup BGroup CAllP-valuea
Mechanical support present, n (%)19 (24.7)5 (38.5)11 (33.3)35 (28.5)0.360
 ECMO present, n (%)1 (1.3)0 (0.0)3 (9.1)4 (3.3)0.080
 Impella present, n (%)17 (22.1)4 (30.8)7 (21.2)28 (22.8)1.000
 IABP present, n (%)2 (2.6)1 (7.7)4 (12.1)7 (5.7)0.065
Pericardial access, n (%)9 (11.7)1 (7.7)4 (12.1)14 (11.4)1.000
Number of VTs induced, median (IQR)2 (1–3)2 (2–3)2 (1–3)2 (1–3)0.311
Number of VTs mapped, median (IQR)1 (0–2)1 (1–2)2 (0–1)1 (0–2)0.082
Number of patients with at least one VT terminated with ablation, n (%)34 (44.2)6 (46.2)8 (24.2)48 (39.0)0.056
Number of patients requiring external shock/ATP during the procedure, n (%)32 (41.6)7 (53.9)25 (75.8)64 (52.0)0.002
Procedure time in minutes, mean ± SD277.2 ± 100.1255.7 ± 68.0268.2 ± 76.1272.5 ± 90.90.644
CharacteristicGroup AGroup BGroup CAllP-valuea
Mechanical support present, n (%)19 (24.7)5 (38.5)11 (33.3)35 (28.5)0.360
 ECMO present, n (%)1 (1.3)0 (0.0)3 (9.1)4 (3.3)0.080
 Impella present, n (%)17 (22.1)4 (30.8)7 (21.2)28 (22.8)1.000
 IABP present, n (%)2 (2.6)1 (7.7)4 (12.1)7 (5.7)0.065
Pericardial access, n (%)9 (11.7)1 (7.7)4 (12.1)14 (11.4)1.000
Number of VTs induced, median (IQR)2 (1–3)2 (2–3)2 (1–3)2 (1–3)0.311
Number of VTs mapped, median (IQR)1 (0–2)1 (1–2)2 (0–1)1 (0–2)0.082
Number of patients with at least one VT terminated with ablation, n (%)34 (44.2)6 (46.2)8 (24.2)48 (39.0)0.056
Number of patients requiring external shock/ATP during the procedure, n (%)32 (41.6)7 (53.9)25 (75.8)64 (52.0)0.002
Procedure time in minutes, mean ± SD277.2 ± 100.1255.7 ± 68.0268.2 ± 76.1272.5 ± 90.90.644

ATP, anti-tachycardia pacing; ECMO, extracorporeal membrane oxygenation; IABP, intra-aortic balloon pump; IQR, interquartile range; SD, standard deviation; VT, ventricular tachycardia.

aStatistical comparison between Groups A and C.

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