Table 2.

Procedural Outcomes of Multicenter CTO and General PCI Registries in Recent Years

Authors	Study Period	No. of Centers	No. of Cases	Technical Success, %	Procedural Success, %	Overall MACE, %	Death, %	Acute MI, %	Stroke, %	TVR, %	Pericardial Tamponade, %
Dedicated CTO PCI registries
Christopoulos et al25	2012–2015	11	1036	91	90	1.7	0.3	0.7	0.1	0.2	0.5
Habara et al26	2012–2013	56	3229	···	88	0.5	0.2	0.1	0.1	0.0	0.3
Wilson et al27	2012–2014	7	1156	90	···	1.6	0	0.8	0.4	0.0	0.7
Maeremans et al28	2014–2015	17	1253	89	86	2.6	0.2	0.2	2.2	0.1	1.3
Sapontis et al8	2013–2017	12	1000	86	85	7.0	0.9	2.6	0.0	0.1	···a
CTO PCI analyses from all‐comer PCI registries
Brilakis et al30	2009–2013	···	22365	···	59	1.6	0.4	1.9	0.1	0.4	0.1
Hannan et al29	2009–2012	61	4030	···	61.3	1.1	···	···	···	···	···
Ramunddal et al32	2005–2012	···	6442	···	54.2	···	···	···	···	···	···
Tsai et al31	2007–2013	79	2394	79.8	79.7	4.3	0.0	0.13	0.0	0.0	0.0

CTO indicates chronic total occlusion; MACE, major adverse cardiovascular event; MI, myocardial infarction; PCI, percutaneous coronary intervention; and TVR, target vessel revascularization.

^aThe incidence of tamponade was not reported.