Contemporary Strategies and Outcomes of Dedicated Chronic Total Occlusion Percutaneous Coronary Intervention Programs: A Prospective Multicentre Registry
Table 2
In-hospital complications.
All (n = 920)
Years 1–4 (n = 301)
Years 5–9 (n = 619)
value
Any complication
86 (9.3)
23 (7.6)
63 (10.2)
0.230
Major complication
43 (4.7)
9 (3.0)
34 (5.5)
0.098
Major adverse cardiovascular events
23 (2.5)
4 (1.3)
19 (3.1)
0.175
In-hospital death
3 (0.3)
1 (0.3)
2 (0.3)
1.0
Stroke
2 (0.2)
1 (0.3)
1 (0.2)
0.548
Periprocedural MI
18 (2.0)
2 (0.7)
16 (2.6)
0.072
Coronary complications
37 (4.0)
13 (4.3)
24 (3.9)
0.724
CTO vessel
27 (2.9)
10 (3.3)
17 (2.7)
0.678
Donor vessel
10 (1.1)
3 (1.0)
7 (1.1)
1.0
Coronary perforation
28 (3.0)
10 (3.3)
18 (2.9)
0.838
Ellis type 2 or more
18 (2.0)
8 (2.7)
10 (1.6)
0.314
Requiring intervention
12 (1.3)
3 (1.0)
9 (1.5)
0.760
Vascular complications
30 (3.3)
6 (2.0)
24 (3.9)
0.166
Retroperitoneal hematoma
3 (0.3)
1 (0.3)
2 (0.3)
1.0
Hematoma > 5 cm
12 (1.3)
5 (1.7)
7 (1.1)
0.542
Pseudoaneurysm
12 (1.3)
0 (0)
12 (1.9)
0.011
Acute limb ischemia
3 (0.3)
0 (0.5)
3 (0.5)
0.555
Major vascular complication
9 (1.0)
3 (1.0)
6 (1.0)
1.0
Others
Pericardial effusion
16 (1.7)
6 (2.0)
10 (1.6)
0.789
Major bleeding
9 (1.0)
3 (1.0)
6 (1.0)
1.0
Contrast-induced nephropathy
16 (1.7)
4 (1.3)
12 (1.9)
0.601
Myocardial injury
hsTroponin T, baseline (ng/L)
15 (9–30)
18 (10–40)
14 (9–25)
0.003
hsTroponin T, day 1 (ng/L)
43 (22–110)
33 (18–90)
50 (24–127)
<0.001
Coronary procedure-related myocardial injury
462 (71.0)
154 (61.1)
308 (77.2)
<0.001
CTO, chronic total occlusion; hsTroponin T, high-sensitivity troponin T; MI, myocardial infarction. Troponin values are median with interquartile range. Dichotomous variables are reported as number (percentages). Significant p values below 0.05 are shown in bold.
