Table 2.

Results

Safety endpoints	Data
Primary outcome: major perioperative safety event	7 (1.5)
Tamponade requiring pericardiocentesis	4 (0.8)
Major bleeding requiring blood product transfusion	3 (0.6)
Emergent cardiac or vascular surgery	0 (0)
TIA	0 (0)
CVA	0 (0)
Pneumothorax requiring chest tube	0 (0)
Acute coronary syndrome requiring angiography	0 (0)
EMS activation, ER, OR, or hospital of unstable patient	0 (0)
Death within 24 h of procedure	0 (0)
Secondary outcome: incidence of requiring same-day hospital services for reasons not listed above	7 (1.5)
Postdischarge ER utilization
ER utilization within 24 h postprocedure	7 (1.5)
ER utilization 24 h to 1 wk postprocedure	34 (7.1)
ER utilization 1 wk to 1 mo postprocedure	24 (5.0)
Freedom from hospital or ER during first 24 h	455 (95.6)
Freedom from hospital or ER during first 30 d	395 (83.0)

Values are n (%).

CVA = cerebrovascular accident; EMS = emergency medical services; ER = emergency room; OR = operating room; TIA = transient ischemic attack.