Unprotected Left-Main Coronary Angioplasty in the Elderly in a High Volume Catheterization Centre without On-Site Surgery Facilities: Immediate and Medium Term Outcome—The Old-Placet Registry

Table 2

IABP: aortic balloon pump; BMS: bare metal stent; DES: drug-eluting stent; IVUS: intravascular ultrasound; PCI: percutaneous coronary intervention.

	Overall (200)	>75 Y.OLD (70)	<75 Y.OLD (130)	OR (CI 95%)	value
Procedural complexity
Pre-procedural hemodynamic instability	88 (44.0)	37 (52.8)	51 (39.2)	1.7 (0.96 to 3.1)	0.07
Pre-procedural cardiogenic shock	32 (16.0)	12 (17.1)	20 (15.3)	1.1 (0.52 to 2.49)	0.84
Peri-procedural cardiogenic shock	44 (22.0)	17 (24.2)	27 (20.7)	1.2 (0.61 to 2.44)	0.59
Cardiac arrest during or pre procedure	7 (3.5)	3 (7.9)	4 (3.0)	1.4 (0.30 to 6.48)	0.69
Orotracheal intubation during or pre procedure	18 (9.0)	9 (12.8)	9 (6.9)	1.9 (−0.29 to 1.6)	0.12
IABP use	151 (75.5)	57 (81.4)	94 (72.3)	1.6 (0.80 to 3.4)	0.17
Glycoprotein inhibitors IIb/IIIa	95 (47.5)	26 (37.1)	69 (53.0)	0.52 (0.28 to −0.94)	0.038
Target lesion
Ostial left main	17 (8.5)	6 (8.5)	11 (8.4)	1.0 (0.35 to 2.8)	1.0
Mid left main	6 (3.0)	2 (2.8)	4 (3.0)	0.9 (0.16 to 5.1)	1.0
Distal left main	177 (88.5)	62 (88.5)	115 (88.4)	1.0 (0.40 to 2.5)	1.0
Lesion complexity
Tortuosity	6 (3.0)	3 (4.2)	3 (2.3)	1.8 (0.37 to 9.60)	0.42
Irregular	38 (19.0)	14 (20.0)	24 (18.4)	1.1 (0.53 to 2.30)	0.85
Calcified	77 (38.5)	42 (60.0)	35 (26.9)	4.0 (2.20 to 7.50)	<0.0001
Thrombotic	19 (9.5)	5 (7.1)	14 (10.7)	0.6 (0.20 to 1.80)	0.46
Eccentric	67 (33.5)	23 (32.8)	44 (33.8)	0.9 (0.51 to 1.70)	1.0
In-stent restenosis treatment	5 (2.5)	2 (2.8)	3 (2.3)	1.2 (0.20 to 7.60)	1.0
Bifurcation angle >90°	9 (4.5)	3 (4.2)	6 (4.6)	0.9 (0.22 to 3.8)	1.0
Reference vessel diameter (mm)	3.68 ± 0.51	3.66 ± 0.48	3.69 ± 0.46	1.1 (0.62 to 1.90)	0.75
Lesion length (mm)	20.99 ± 8.11	20.8 ± 8.4	21.0 ± 7.9		0.81
Diameter stenosis	80.26 ± 13.96	80.19 ± 13.8	80.31 ± 14.06	1.09 (0.62 to 1.90)	0.75
Procedural characteristics
Single stent	135 (67.5)	53 (75.7)	82 (63.7)	1.8 (0.95 to 3.50)	0.07
BMS implantation	28 (14.0)	12 (17.1)	16 (12.3)	1.4 (0.65 to 3.30)	0.39
DES implantation	172 (86.0)	58 (82.8)	114 (87.6)	0.6 (0.30 to 1.50)	0.39
Total stent length per patient (mm)	20.99 ± 8.12	20.80 ± 8.41	21.08 ± 7.97		0.50
IVUS guided PCI	25 (12.5)	4 (5.7)	21 (16.1)	0.3 (0.10 to 0.95)	0.04
Direct stenting	57 (28.5)	15 (21.4)	42 (32.3)	0.5 (0.29 to 1.12)	0.14
High pressure stent post-dilation	153 (76.5)	58 (82.8)	95 (73.0)	1.7 (0.85 to 3.70)	0.16
Angiographic Success	190 (95.0)	67 (95.7)	123 (94.6)	1.2 (0.31 to 5.00)	0.73
Complete revascularization	153 (76.5)	53 (75.7)	100 (76.9)	0.9 (0.47 to 1.80)	0.80
Dye (mL; mean ± SD)	268.4 ± 94.0	261.9 ± 93.5	271.9 ± 94.4	0.9 (0.99 to 1.03)	0.47
Follow-up angio	138 (0.69)	39 (55.7)	99 (76.1)	0.3 (0.21 to 0.73)	0.003