Table 1.

Baseline characteristics

Patient	Sex	Age (y)	LVEF (%)	Prior AADs	Amiodarone treatment	Cardiomyopathy	Prior catheter ablation endo/epi	Reason for surgical ablation	Incessant VT	VT storm
1	M	65	57	4	Yes	None known	Yes/Yes	H/o surgical ablation	No	Yes
2	M	66	40	4	Yes	Nonischemic	Yes/Yes	H/o hemopericardium	Yes	Yes
3	M	54	19	5	Yes	Nonischemic	Yes/No	LVAD planned	Yes	Yes
4	M	62	40	2	Yes	Mixed	Yes/Yes	H/o hemopericardium	No	Yes
5	M	69	40	3	Yes	Ischemic	Yes/Yes	H/o extensive epi ablation	No	Yes
6	M	62	36	2	Yes	Ischemic	Yes/Yes	H/o extensive epi ablation	Yes	Yes
7	M	69	30	2	Yes	Nonischemic	Yes/No	LVAD planned	No	Yes
8	M	60	50	1	Yes	Nonischemic	Yes/Yes	Extensive adhesions in prior epi attempt	No	Yes

AAD = antiarrhythmic drug; Endo = endocardial; Epi = epicardial; H/o = history of; LVAD = left ventricular assist device; LVEF = left ventricular ejection fraction; M = male; VT = ventricular tachycardia.