Table 2.

Complications by year of initial ablation

	2003–2004	2005	2006	2007	2008	2009	2010	P value
Total ablations	43	79	176	233	267	326	380	NA
Cough which resolved	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	2 (0.7%)	0 (0.0%)	1 (0.3%)	=0.22
Groin complications (major + minor)	0 (0.0%)	1 (1.3%)	4 (2.3%)	1 (0.4%)	6 (2.2%)	1 (0.3%)	1 (0.3%)	=0.11
Esophageal irritation	0 (0.0%)	0 (0.0%)	1 (0.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	=0.22
PV stenosis >50% no intervention	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	=0.97
Pacer lead dislodgment	0 (0.0%)	0 (0.0%)	1 (0.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	=0.22
Urethral trauma	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (1.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	=0.52
Severe urinary infection	0 (0.0%)	1 (1.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	=0.07
Pneumonia	1 (2.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.3%)	0 (0.0%)	=0.19
Eye keratopathy, transient	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.3%)	=0.25
Tongue hematoma (major + minor)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (0.5%)	=0.10
Elective, non-tamponade pericaridocentesis	0 (0.0%)	1 (1.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0.07
Pericardial tamponade	1 (2.3%)	1 (1.3%)	1 (0.6%)	3 (1.3%)	2 (0.7%)	1 (0.3%)	0 (0.0%)	=0.02a
Stroke/TIA	2 (4.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	1 (0.3%)	1 (0.3%)	=0.15
Severe protamine reaction	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	=0.97
Heart block	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	=0.52
Total	4 (9.3%)	4 (5.1%)	7 (4.0%)	7 (3.0%)	13 (4.9%)	4 (1.2%)	6 (1.6%)	=0.001a

TIA transient ischemic attack, NA not applicable

^aStatistically significant