Assessment of carotid artery stenosis and lower limb peripheral ischemia before coronary artery bypass grafting operations: a non-randomized clinical trial

Table 3 Operative data -need for vascular interventions- postoperative data

	Low risk	High risk	Tests
	Low risk	High risk	t/X²	P-value
ACX time	55.87 ± 8.18	55.77 ± 9.18	0.103	0.918
Total CPB time	90.03 ± 16.71	89.48 ± 16.28	0.313	0.754
Lowest HCT	25.94 ± 1.24	26.06 ± 1.16	0.924	0.356
Lowest temp	30.17 ± 1.80	30.04 ± 1.79	0.676	0.499
Mean perfusion pressure	75.87 ± 5.93	77.89 ± 7.44	2.859	0.004*
Final number of grafts	2.92 ± 0.66	2.93 ± 0.73	0.151	0.880
LIMA alone	170 (94.4%)	165 (91.7%)	1.075	0.300
RIMA alone	3 (1.7%)	6 (3.3%)	1.026	0.311
BIMA	7 (3.9%)	9 (5.0%)	0.262	0.609
Radial (additional)	7 (3.9%)	9 (5.0%)	0.262	0.609
None	0 (0.0%)	0 (0.0%)	0.000	1.000
Combined vascular intervention LL	0 (0.0%)	0 (0.0%)	0.000	1.000
Combined vascular intervention carotid endarterectomy	3 (1.7%)	1 (0.6%)	1.011	0.315
Insertion of IABP	15 (8.3%)	21 (11.7%)	1.111	0.292
Distal ischemic changes	1 (0.6%)	1 (0.6%)	0.000	1.000
ICU stay days	3.46 ± 0.98	3.61 ± 1.02	1.265	0.207
Hospital stay days	7.47 ± 1.8	7.69 ± 1.39	1.356	0.176
Delayed LL wound healing	1 (0.6%)	1 (0.6%)	0.000	1.000
Postoperative neurological complications	6 (3.3%)	8 (4.4%)	0.297	0.586

All values are mean ± standard deviation or N (%)
ACX Aortic cross-clamp, CPB Cardiopulmonary bypass, HCT Hematocrit, LIMA Left internal mammary artery, RIMA Right internal mammary artery, BIMA Bilateral internal mammary artery, LL Lower limb, IABP Intra-aortic balloon pump, ICU Intensive care unit

ISSN: 1749-8090