Reattempt Percutaneous Coronary Intervention of Chronic Total Occlusions after Prior Failures: A Single-Center Analysis of Strategies and Outcomes

Table 5

Complications between final successful and failed reattempted cases.

	Final successful reattempts (n = 172)	Final failed reattempts (n = 40)	value
Procedural complications	25 (14.5)	8 (20.0)	0.390
Tamponade	0	3 (7.5)	0.004
Dissection/hematoma/perforation	23 (13.4)	5 (12.5)	0.883
Others (puncture site complication, wire broken, and side branch occlusion)	2 (1.2)	0	0.493
CIN	16 (9.6)	2 (5)	<0.001
MACE	3	1	0.570

Values are mean ± SD or percentage. CIN, contrast-induced nephropathy; MACE, major adverse cardiac events (including death, myocardial infarction, and recurrent symptoms requiring immediate repeat target vessel revascularization).