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 7
Graft patency during the follow-up period.
(a) Graft patency rate within 1 postoperative year
LITA
RITA
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
81 (98.8%)
0
1 (1.2%)
82
G1
58 (92.1%)
3 (4.7%)
2 (3.2%)
63
G2
314 (97.5%)
4 (1.2%)
4 (1.3%)
322
G2
200 (93.5%)
12 (5.6%)
2 (0.9%)
214
G3
139 (96.5%)
5 (3.5%)
0
144
G3
88 (93.6%)
3 (3.2%)
3 (3.2%)
94
G4
2 (100%)
0
0
2
G4
0
0
0
0
G5
60 (96.7%)
2 (3.3%)
0
62
G5
27 (100%)
0
0
27
GEA
SVG
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
26 (96.3%)
0
1 (3.7%)
27
G1
22 (84.6%)
1 (3.9%)
3 (11.5%)
26
G2
95 (88.8%)
2 (1.9%)
10 (9.3%)
107
G2
149 (94.9%)
1 (0.6%)
7 (4.5%)
157
G3
44 (93.6%)
1 (2.1%)
2 (4.3%)
47
G3
72 (97.2%)
1 (1.4%)
1 (1.4%)
74
G4
0
0
0
0
G4
1 (50.0%)
0
1 (50.0%)
2
G5
13 (100%)
0
0
13
G5
32 (88.9%)
1 (2.8%)
3 (8.3%)
36
LITA: left internal thoracic artery; RITA: right internal thoracic artery; GEA: gastroepiploic artery; SVG: saphenous vein graft; Number: number of observed patients.
(b) Graft patency rate between postoperative years 1 and 5
LITA
RITA
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
52 (98.1%)
1 (1.9%)
0
53
G1
35 (87.5%)
3 (7.5%)
2 (5.0%)
40
G2
164 (94.8%)
2 (1.2%)
7 (4.0%)
173
G2
102 (90.3%)
5 (4.4%)
6 (5.3%)
113
G3
51 (98.1%)
0
1 (1.9%)
52
G3
28 (87.5%)
2 (6.3%)
2 (6.2%)
32
G4
3 (100%)
0
0
3
G4
0
0
0
0
G5
27 (100%)
0
0
27
G5
18 (100%)
0
0
18
GEA
SVG
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
15 (93.8%)
0
1 (6.2%)
16
G1
17 (85.0%)
0
3 (15.0%)
20
G2
57 (89.1%)
0
7 (10.9%)
64
G2
67 (80.7%)
1 (1.2%)
15 (18.1%)
83
G3
11 (84.6%)
1 (7.7%)
1 (7.7%)
13
G3
26 (89.7%)
0
3 (10.3%)
29
G4
2 (100%)
0
0
2
G4
1 (100%)
0
0
1
G5
5 (100%)
0
0
5
G5
12 (75.0%)
1 (6.3%)
3 (18.7%)
16
LITA: left internal thoracic artery; RITA: right internal thoracic artery; GEA: gastroepiploic artery; SVG: saphenous vein graft; Number: number of observed patients.
(c) Graft patency rate between 5 and 10 years postoperatively
LITA
RITA
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
35 (92.1%)
0
3 (7.9%)
38
G1
18 (85.7%)
1 (4.8%)
2 (9.5%)
21
G2
113 (95.0%)
3 (2.5%)
3 (2.5%)
119
G2
57 (87.7%)
2 (3.1%)
6 (9.2%)
65
G3
39 (95.1%)
0
2 (4.9%)
41
G3
16 (84.2%)
2 (10.5%)
1 (5.3%)
19
G4
3 (100%)
0
0
3
G4
3 (100%)
0
0
3
G5
14 (93.3%)
1 (6.7%)
0
15
G5
7 (100%)
0
0
7
GEA
SVG
Findings
Patent
String/stenosis
Occlusion
Number
Findings
Patent
String/stenosis
Occlusion
Number
G1
13 (92.9%)
1 (7.1%)
0
14
G1
14 (82.4%)
0
3 (17.6%)
17
G2
44 (81.5%)
1 (1.9%)
9 (16.6%)
54
G2
45 (83.3%)
1 (1.9%)
8 (14.8%)
54
G3
12 (80.0%)
1 (6.7%)
2 (13.3%)
15
G3
13 (81.3%)
0
3 (18.7)
16
G4
2 (66.7%)
0
1 (33.3%)
3
G4
1 (100%)
0
0
1
G5
3 (100%)
0
0
3
G5
4 (57.1%)
0
3 (42.9%)
7
LITA: left internal thoracic artery; RITA: right internal thoracic artery; GEA: gastroepiploic artery; SVG: saphenous vein graft; Number: number of observed patients.
