Table 2.

Procedural data

N=	Procedure	RFT	PT	FT	LV approach	EAM	ICE 3D	Acute success	Recurrence
Patient 1	First	407	180	16	Retroaortic	Yes	Yes	Yes	No
Patient 2	First	871	305	18	Retroaortic	Yes	Yes	Yes	No
Patient 3	First	601	198	27	Transseptal	Yes	No	Yes	Yes
Patient 3	Second	301	280	16	Retroaortic	Yes	No	Yes	Yes
Patient 4	First	780	240	10	Retroaortic	Yes	No	Yes	Yes
Patient 4	Second	416	240	30	Retroaortic	Yes	Yes	Yes	No
Patient 5	First	266	285	42	Retroaortic	Yes	No	Yes	Yes
Patient 5	Second	266	135	19	Transseptal	Yes	No	Yes	Yes
Patient 6	First	300	230	17	Transseptal	Yes	Yes	Yes	No
Patient 7	First	750	195	30	Transseptal	Yes	No	No	Yes
Patient 7	Second	321	115	10	Transseptal	Yes	Yes	Yes	No
Patient 8	First	260	195	22	Transseptal	Yes	No	Yes	No
Patient 9	First	340	205	23	Retroaortic	Yes	Yes	Yes	No
Patient 10	First	615	405	57	Retroaortic	Yes	Yes	Yes	Yes
Patient 10	Second	420	135	15	Retroaortic	Yes	Yes	Yes	No
Patient 11	First	346	210	20	Retroaortic	Yes	Yes	Yes	No
Patient 12	First	315	195	33	Retroaortic	Yes	Yes	Yes	No
Patient 13	First	420	140	9	Retroaortic	Yes	Yes	Yes	No
Patient 14	First	350	250	67	Transseptal	Yes	No	Yes	No
Patient 14	Second	320	240	48	Retroaortic	Yes	No	Yes	No
Patient 15	First	659	150	14	Transseptal	Yes	No	Yes	Yes
Patient 15	Second	530	230	25	Transseptal	Yes	Yes	Yes	Yes
Patient 15	Third	511	215	21	Retroaortic	Yes	Yes	Yes	No
Patient 16	First	1055	150	12	Retroaortic	Yes	Yes	Yes	No

N, patients 1–16; Procedure, first or second procedure; Success, complete suppression of the arrhythmia; Recurrence, reappearance of the same clinical arrhythmia during follow-up; FU, follow-up (months); RFT, duration of radiofrequency delivery during the ablation in seconds; PT, duration of the procedure in minutes; FT, fluoroscopy time in minutes; EAM, use of 3D electroanatomical mapping systems (CARTO); ICE 3D, use of 3D intracardiac echocardiography (CATO Sound).