Table 3.

Complications of ventricular tachycardia ablation.

Study	Type	Year	Proc (n)	VT type	Major complications	Death	CVA	Tamponade	Other
Structural heart disease
Sauer et al. [69]	Prospective	1999–2005	327	ICM, NICM	2.1%	Nil	0.9%	1.2	–
Euro VT [94]	Prospective	1999–2003	63	ICM	1.5%	0	0	0
Bohnen et al. [46]	Prospective	2009–2011	250	SHD	6%	0.4%	0.8%	1.4%
Mallidi et al. [70]	Meta-analysis	1965–2010	457	SHD	6.3%	1%	1%	–	AV blocka 1.6% Perforation 1%
Tokuda et al. [74]	Prospective	1999–2010	226	NICM	5%	0	0	0	Perforation 1.8%
Dinov et al. help-VT study [65]	Prospective	2008–2011	227	ICM, DCM	11%	0.4%	–	0.8%	AV block 0.8% Shock 2.2%
Peichl et al. [62]	Prospective	2006–2012	473		8%	0	0.8%	0.6%	AV block 1.3% Vascular 4.7%
Della Bella et al. [2]	Prospective	2007–2012	634	SHD	7%	0.1%	0	2%	Vascular 4%
Idiopathic
Inada et al. [68]	Prospective	1999–2008	285	IVT	7%	3.8%	0.7%	0.7%	AV block 1%
Bohnen et al. [46]	Prospective	2009–2011	119	IVT	3.4%	0	0.8%	0.8%
Peichl et al. [62]	Prospective	2006–2012	249	IVT	2.8%	0	0.4%	0	AV block 0.4% Vascular 1.6%
Prophylactic
SMASH VT [64]	RCT	2004–2006	64	ICM	0	0	0	0	1 DVT, 1 CCF
VTACH [63]	RCT	2002–2006	54	ICM	1.8%	0	1.8%	–	1 ST elevation
Epicardial
Della Bella et al. [76]	Multicenter Survey	2001–2009	218	SHD, NSHD	4.1%	0	0	3.7%	1 abdominal hemorrhage
Sacher et al. [67]	Multicenter Survey	2001–2007	136	SHD	7%	0	0	5.1%	CA stenosis 0.6%
Tung et al. [66]	Single center Survey	2004–2011	109	SHD, NSHD	8.8%	0	0	0	6.7% epicardial bleeding

RCT — randomized controlled trial.

CVA—cerebrovascular accident (including transient ischemic attack).

IVT- Idiopathic Ventricular Tachycardia

SHD- Structural Heart Disease

NSHD- No Structural Heart Disease

ICM- Ischemic Cardiomyopathy

NICM- Non Ischemic Cardiomyopathy

^aHigh grade requiring pacemaker implantation.