Coronary Artery Bypass Grafting in Patients with Chronic Kidney Disease: Chronic Kidney Disease Has an Independent Adverse Effect on the Long-Term Outcome of Coronary Artery Bypass Grafting
Table 2
Intraoperative patient characteristics and early results.
Chronic kidney disease (mL/min/m2)
G1 ≥90
G2 60–89
G3 30–59
G4 15–29
G5 <15
value
Number of patients
128
1696
576
101
282
Off-pump CABG
119 (93.0%)
1672 (98.6%)
564 (97.0%)
98 (97.0%)
275 (97.5%)
0.007
No. distal anastomoses
<0.001
LITA
125 (97.6%)
1661 (97.9%)
565 (98.1%)
98 (97.0%)
274 (97.2%)
0.894
RITA
86 (67.2%)
971 (57.3%)
347 (60.3%)
58 (57.4%)
157 (55.7%)
0.150
Bilateral ITA
84 (66.1%)
955 (56.9%)
339 (59.3%)
56 (56.0%)
152 (54.5%)
0.204
Gastroepiploic artery
51 (39.8%)
603 (35.6%)
217 (37.7%)
40 (39.6%)
62 (22.0%)
<0.001
Radial artery
38 (29.7%)
369 (21.8%)
93 (16.2%)
5 (5.0%)
1 (0.4%)
<0.001
Saphenous vein
30 (23.4%)
742 (43.8%)
296 (51.4%)
54 (53.5%)
148 (52.5%)
<0.001
Operating time(min)
<0.001
Postoperative IABP
6 (4.7%)
70 (4.1%)
23 (4.0%)
5 (5.0%)
15 (5.3%)
0.901
Reexploration
0 (0%)
11 (0.7%)
4 (0.7%)
0 (0%)
3 (1.1%)
0.458
Respiratory complications
11 (8.6%)
124 (7.3%)
58 (10.1%)
12 (11.9%)
36 (12.8%)
0.018
Postoperative acute renal injury
0 (0%)
27 (2.0%)
33 (6.9%)
29 (31.2%)
279 (98.9%)
<0.001
Cerebrovascular complications
1 (0.8%)
12 (0.7%)
15 (2.6%)
1 (1.0%)
5 (1.8%)
0.016
Any infection
3 (2.3%)
22(1.3%)
13(2.3%)
3(3.0%)
16(5.7%)
0.001
Deep sternal wound infection
2 (1.6%)
6 (0.4%)
2 (0.4%)
1 (1.0%)
2 (0.7%)
0.477
New postoperative atrial fibrillation
12 (9.4%)
423 (24.9%)
186 (32.3%)
29 (28.7%)
78 (27.7%)
<0.001
Blood transfusion
11 (8.6%)
298 (17.6%)
213 (37.0%)
51 (50.5%)
170 (60.3%)
<0.001
Hospital mortality
1 (0.8%)
9 (0.5%)
6 (1.0%)
1 (1.0%)
13 (4.6%)
<0.001
Hospital stay (days)
<0.001
CABG: coronary artery bypass grafting; LITA: left internal thoracic artery; RITA: right internal thoracic artery; bilateral ITA: bilateral internal thoracic artery; IABP: intra-aortic balloon pumping; BMI: body mass index.