Table 2

Individual ablation results

SHDSexAge#vf prior to ablationTriggerSubstrateRF delivery, minVF inducibleReablation (timing in months)Total FU in monthsCause of deathDrug at last FUVF recurrence (timing of 1st VF in months)
Isch CMM6531PurkinjeLV42VT Induc105BBNo VF 1 VT
Isch CMM6118Purkinje14NT104No VF 1 VT
Isch CMM6415PurkinjeLV37NTVT abl at 12 m86Non-CVBBNo VF
Isch CMF747LV22NT82BBNo VF
Isch CMM7115PurkinjeLV33NT1VF + HF>3 VF (1 m)
Isch CMM7031PurkinjeLV68NT1VF + HF23 VF (1 m)
Isch CMM5716PurkinjeLV29N Induc45BBNo VF
Isch CMM544MyocardialLV40N Induc45BBNo VF
Isch CMM6321Purkinje15NT34BB1 VF (17 m)
Isch CMM433LV45Induc23MI + HF>2VF (4 m)
DCMF233MyocardialLV35NT51BBNo VF
DCMM655LV + RV50N Induc44Non-CVBBNo VF
DCMM747LV45Induc10Cancer>2 VF (8 m)
DCMM538LV + Purkinjea20NT29Post-transpl>6 VF (16 m)
DCMF6516LV + RV23NT33BB1 VF (1 m)
DCMH353MyocardialLV + RV38NT26No VF
HCMM106Purkinje5NT102BB1 VF (92 m)
HCMF172Purkinje9NT101BBNo VF
HCMF2412Purkinjea18Induc99BBNo VF
HCMM163LV55Induc52BB11 VF (1 m)
HCMM505Purkinjea42NT48BB Amio1 VF (29 m)
HCMM635Purkinjea48N Induc23NoNo VF
HCMM584LV27Induc22BBNo VF
HCMM297Purkinjea21N Induc12BBNo VF
BrSM418RV57NT51HQuin3 VF (12 m)
BrSM522RV20NT101HQuin2 VF (6 m)
BrSM323RV22N Induc59No VF
BrSM325RV21Induc951 VF (23 m)
BrSM399RV34NTVF abl at 66 m57HQuin2 VF (6 m)
BrSM358RV12VT LVVF abl at 30 m60No VF
BrSM452RV29Induc54No VF
BrSM484RV30InducVT abl at 73 m90No VF
BrSM632RVOT11NTVPB abl at 6 m105No VF
BrSM298RV16Induc62HQuid2 VF (16 m)
BrSM593RVOT10VT Induc54No VF
BrSM5620RV29Induc58No VF
BrSM3546RV21N InducVF abl at 37 m36No VF
BrSM3223RV12VT Induc59No VF
BrSM605RVNT54No VF
BrSM468RV23N Induc62No VF
BrSM5324RV + LV62Induc50HQuin2 VF (11 m)
35M (85%)47.7 ± 17 yearsMean 10.4 ± 9.8
Med 7 IQR 4;16
29.8 ± 15.6
28 IQR 19;40
VF abl in 3 pts55.7 ± 30.2
51 IQR 34;82
No VF recurrence in 25 pts (61%)
SHDSexAge#vf prior to ablationTriggerSubstrateRF delivery, minVF inducibleReablation (timing in months)Total FU in monthsCause of deathDrug at last FUVF recurrence (timing of 1st VF in months)
Isch CMM6531PurkinjeLV42VT Induc105BBNo VF 1 VT
Isch CMM6118Purkinje14NT104No VF 1 VT
Isch CMM6415PurkinjeLV37NTVT abl at 12 m86Non-CVBBNo VF
Isch CMF747LV22NT82BBNo VF
Isch CMM7115PurkinjeLV33NT1VF + HF>3 VF (1 m)
Isch CMM7031PurkinjeLV68NT1VF + HF23 VF (1 m)
Isch CMM5716PurkinjeLV29N Induc45BBNo VF
Isch CMM544MyocardialLV40N Induc45BBNo VF
Isch CMM6321Purkinje15NT34BB1 VF (17 m)
Isch CMM433LV45Induc23MI + HF>2VF (4 m)
DCMF233MyocardialLV35NT51BBNo VF
DCMM655LV + RV50N Induc44Non-CVBBNo VF
DCMM747LV45Induc10Cancer>2 VF (8 m)
DCMM538LV + Purkinjea20NT29Post-transpl>6 VF (16 m)
DCMF6516LV + RV23NT33BB1 VF (1 m)
DCMH353MyocardialLV + RV38NT26No VF
HCMM106Purkinje5NT102BB1 VF (92 m)
HCMF172Purkinje9NT101BBNo VF
HCMF2412Purkinjea18Induc99BBNo VF
HCMM163LV55Induc52BB11 VF (1 m)
HCMM505Purkinjea42NT48BB Amio1 VF (29 m)
HCMM635Purkinjea48N Induc23NoNo VF
HCMM584LV27Induc22BBNo VF
HCMM297Purkinjea21N Induc12BBNo VF
BrSM418RV57NT51HQuin3 VF (12 m)
BrSM522RV20NT101HQuin2 VF (6 m)
BrSM323RV22N Induc59No VF
BrSM325RV21Induc951 VF (23 m)
BrSM399RV34NTVF abl at 66 m57HQuin2 VF (6 m)
BrSM358RV12VT LVVF abl at 30 m60No VF
BrSM452RV29Induc54No VF
BrSM484RV30InducVT abl at 73 m90No VF
BrSM632RVOT11NTVPB abl at 6 m105No VF
BrSM298RV16Induc62HQuid2 VF (16 m)
BrSM593RVOT10VT Induc54No VF
BrSM5620RV29Induc58No VF
BrSM3546RV21N InducVF abl at 37 m36No VF
BrSM3223RV12VT Induc59No VF
BrSM605RVNT54No VF
BrSM468RV23N Induc62No VF
BrSM5324RV + LV62Induc50HQuin2 VF (11 m)
35M (85%)47.7 ± 17 yearsMean 10.4 ± 9.8
Med 7 IQR 4;16
29.8 ± 15.6
28 IQR 19;40
VF abl in 3 pts55.7 ± 30.2
51 IQR 34;82
No VF recurrence in 25 pts (61%)

Group results are presented as mean ± standard deviation or median [interquartile range (IQR)]. CL, cycle length; RF, radiofrequency; RV, right ventricle; pts, patients; m, months; LV, left ventricle; VF, ventricular fibrillation; NT non-tested; CV, cardiovascular; BB, beta-blocker; HQUIN, hydroquinidine; HF, heart failure; VT, ventricular tachycardia; RVOR, right ventricular outflow tract; FU, follow-up.

a

Purkinje driver.

Inducibility testing was performed using the pacing protocol which induced VF prior to ablation. In the column ‘substrate’, the total epicardial RV surface was separated into an upper half (anterior) and a lower half (inferior).

Table 2

Individual ablation results

SHDSexAge#vf prior to ablationTriggerSubstrateRF delivery, minVF inducibleReablation (timing in months)Total FU in monthsCause of deathDrug at last FUVF recurrence (timing of 1st VF in months)
Isch CMM6531PurkinjeLV42VT Induc105BBNo VF 1 VT
Isch CMM6118Purkinje14NT104No VF 1 VT
Isch CMM6415PurkinjeLV37NTVT abl at 12 m86Non-CVBBNo VF
Isch CMF747LV22NT82BBNo VF
Isch CMM7115PurkinjeLV33NT1VF + HF>3 VF (1 m)
Isch CMM7031PurkinjeLV68NT1VF + HF23 VF (1 m)
Isch CMM5716PurkinjeLV29N Induc45BBNo VF
Isch CMM544MyocardialLV40N Induc45BBNo VF
Isch CMM6321Purkinje15NT34BB1 VF (17 m)
Isch CMM433LV45Induc23MI + HF>2VF (4 m)
DCMF233MyocardialLV35NT51BBNo VF
DCMM655LV + RV50N Induc44Non-CVBBNo VF
DCMM747LV45Induc10Cancer>2 VF (8 m)
DCMM538LV + Purkinjea20NT29Post-transpl>6 VF (16 m)
DCMF6516LV + RV23NT33BB1 VF (1 m)
DCMH353MyocardialLV + RV38NT26No VF
HCMM106Purkinje5NT102BB1 VF (92 m)
HCMF172Purkinje9NT101BBNo VF
HCMF2412Purkinjea18Induc99BBNo VF
HCMM163LV55Induc52BB11 VF (1 m)
HCMM505Purkinjea42NT48BB Amio1 VF (29 m)
HCMM635Purkinjea48N Induc23NoNo VF
HCMM584LV27Induc22BBNo VF
HCMM297Purkinjea21N Induc12BBNo VF
BrSM418RV57NT51HQuin3 VF (12 m)
BrSM522RV20NT101HQuin2 VF (6 m)
BrSM323RV22N Induc59No VF
BrSM325RV21Induc951 VF (23 m)
BrSM399RV34NTVF abl at 66 m57HQuin2 VF (6 m)
BrSM358RV12VT LVVF abl at 30 m60No VF
BrSM452RV29Induc54No VF
BrSM484RV30InducVT abl at 73 m90No VF
BrSM632RVOT11NTVPB abl at 6 m105No VF
BrSM298RV16Induc62HQuid2 VF (16 m)
BrSM593RVOT10VT Induc54No VF
BrSM5620RV29Induc58No VF
BrSM3546RV21N InducVF abl at 37 m36No VF
BrSM3223RV12VT Induc59No VF
BrSM605RVNT54No VF
BrSM468RV23N Induc62No VF
BrSM5324RV + LV62Induc50HQuin2 VF (11 m)
35M (85%)47.7 ± 17 yearsMean 10.4 ± 9.8
Med 7 IQR 4;16
29.8 ± 15.6
28 IQR 19;40
VF abl in 3 pts55.7 ± 30.2
51 IQR 34;82
No VF recurrence in 25 pts (61%)
SHDSexAge#vf prior to ablationTriggerSubstrateRF delivery, minVF inducibleReablation (timing in months)Total FU in monthsCause of deathDrug at last FUVF recurrence (timing of 1st VF in months)
Isch CMM6531PurkinjeLV42VT Induc105BBNo VF 1 VT
Isch CMM6118Purkinje14NT104No VF 1 VT
Isch CMM6415PurkinjeLV37NTVT abl at 12 m86Non-CVBBNo VF
Isch CMF747LV22NT82BBNo VF
Isch CMM7115PurkinjeLV33NT1VF + HF>3 VF (1 m)
Isch CMM7031PurkinjeLV68NT1VF + HF23 VF (1 m)
Isch CMM5716PurkinjeLV29N Induc45BBNo VF
Isch CMM544MyocardialLV40N Induc45BBNo VF
Isch CMM6321Purkinje15NT34BB1 VF (17 m)
Isch CMM433LV45Induc23MI + HF>2VF (4 m)
DCMF233MyocardialLV35NT51BBNo VF
DCMM655LV + RV50N Induc44Non-CVBBNo VF
DCMM747LV45Induc10Cancer>2 VF (8 m)
DCMM538LV + Purkinjea20NT29Post-transpl>6 VF (16 m)
DCMF6516LV + RV23NT33BB1 VF (1 m)
DCMH353MyocardialLV + RV38NT26No VF
HCMM106Purkinje5NT102BB1 VF (92 m)
HCMF172Purkinje9NT101BBNo VF
HCMF2412Purkinjea18Induc99BBNo VF
HCMM163LV55Induc52BB11 VF (1 m)
HCMM505Purkinjea42NT48BB Amio1 VF (29 m)
HCMM635Purkinjea48N Induc23NoNo VF
HCMM584LV27Induc22BBNo VF
HCMM297Purkinjea21N Induc12BBNo VF
BrSM418RV57NT51HQuin3 VF (12 m)
BrSM522RV20NT101HQuin2 VF (6 m)
BrSM323RV22N Induc59No VF
BrSM325RV21Induc951 VF (23 m)
BrSM399RV34NTVF abl at 66 m57HQuin2 VF (6 m)
BrSM358RV12VT LVVF abl at 30 m60No VF
BrSM452RV29Induc54No VF
BrSM484RV30InducVT abl at 73 m90No VF
BrSM632RVOT11NTVPB abl at 6 m105No VF
BrSM298RV16Induc62HQuid2 VF (16 m)
BrSM593RVOT10VT Induc54No VF
BrSM5620RV29Induc58No VF
BrSM3546RV21N InducVF abl at 37 m36No VF
BrSM3223RV12VT Induc59No VF
BrSM605RVNT54No VF
BrSM468RV23N Induc62No VF
BrSM5324RV + LV62Induc50HQuin2 VF (11 m)
35M (85%)47.7 ± 17 yearsMean 10.4 ± 9.8
Med 7 IQR 4;16
29.8 ± 15.6
28 IQR 19;40
VF abl in 3 pts55.7 ± 30.2
51 IQR 34;82
No VF recurrence in 25 pts (61%)

Group results are presented as mean ± standard deviation or median [interquartile range (IQR)]. CL, cycle length; RF, radiofrequency; RV, right ventricle; pts, patients; m, months; LV, left ventricle; VF, ventricular fibrillation; NT non-tested; CV, cardiovascular; BB, beta-blocker; HQUIN, hydroquinidine; HF, heart failure; VT, ventricular tachycardia; RVOR, right ventricular outflow tract; FU, follow-up.

a

Purkinje driver.

Inducibility testing was performed using the pacing protocol which induced VF prior to ablation. In the column ‘substrate’, the total epicardial RV surface was separated into an upper half (anterior) and a lower half (inferior).

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