Long-Term Clinical Outcomes for Non-ST Elevation Acute Coronary Syndrome Patients with High-Risk Angiographic Findings Undergoing Percutaneous Coronary Intervention

Table 2

Coronary angiographic findings and percutaneous interventional therapies.

	HRCA (n = 3752)	LRCA (n = 1232)	value
SYNTAX score
Preprocedure	12.52 ± 8.07	6.97 ± 5.52	<0.001
Postprocedure	3.73 ± 5.83	1.47 ± 3.50	<0.001
Number of diseased vessels
One	465 (12.4)	809 (65.7)	<0.001
Two	1341 (35.7)	313 (25.4)	<0.001
Three	1937 (51.6)	0 (0)	<0.001
Left main disease, %	369 (9.8)	14 (1.1)	<0.001
Total occlusion, %	660 (17.6)	154 (12.5)	<0.001
Puncture site, %
Femoral artery	57 (1.5)	22 (1.8)	0.125
Radial artery	3397 (90.5)	1133 (92.0)
Other approaches	298 (7.9)	77 (6.3)
Staged PCI, %	380 (10.1)	37 (3.0)	<0.001
IVUS usage, %	247 (6.6)	39 (3.2)	<0.001
IABP usage, %	42 (1.1)	4 (0.3)	0.011
Successful PCI, %	3687 (98.3)	1210 (98.2)	0.901
PTCA only, %	718 (19.1)	145 (11.8)	<0.001
Stent type
BMS %	22 (0.6)	3 (0.2)	0.139
DES, %
1G-DES	679 (18.1)	214 (17.4)	0.564
2G-DES	1609 (42.9)	569 (46.2)	0.043
BP-DES	525 (14.0)	207 (16.8)	0.016
Others	47 (1.3)	26 (2.1)	0.030
Blended multiple DESs	12 (0.3)	9 (0.7)	0.053

Values are mean ± SD or n (%). RCA = high-risk coronary anatomy; LRCA = low-risk coronary anatomy; SYNTAX = SYNergy between percutaneous coronary intervention with TAXus and cardiac surgery; PCI = percutaneous coronary intervention; IVUS = intravascular ultrasound; IABP = Intra-aortic balloon pump; PTCA = percutaneous transluminal coronary angioplasty; BMS = bare metal stent; DES = drug eluting stent; 1G = first generation; 2G = second generation; BP = biodegradable polymer.