Demographics
| | | | | | | |
Age (years)
|
69 ± 10
|
69 ± 9
|
73 ± 8
|
60 ± 14
|
68 ± 11
|
69 ± 11
|
0.03
|
Male
|
84 (76%)
|
36 (84%)
|
21 (66%)
|
9 (82%)
|
11 (73%)
|
7 (70%)
|
0.43
|
Diabetes
|
31 (28%)
|
10 (23%)
|
4 (12%)
|
5 (45%)
|
6 (40%)
|
6 (60%)
|
0.01
|
Preoperative Measures
| | | | | | | |
Weight (kg)
|
80 (68, 91)
|
80 (71, 92)
|
69 (64, 84)
|
84 (78, 111)
|
85 (79, 93)
|
92 (68, 107)
|
0.01
|
Height (cm)
|
170 ± 10
|
170 ± 10
|
169 ± 11
|
172 ± 8
|
171 ± 10
|
170 ± 12
|
0.94
|
Creatinine (μmol/L)
|
85 (71, 103)
|
87 (69, 101)
|
80 (71, 93)
|
81 (70, 103)
|
88 (70, 96)
|
117 (90, 144)
|
0.01
|
eGFR (mL/min/1.73 m2)
|
72 ± 17
|
77 ± 23
|
73 ± 19
|
81 ± 23
|
63 ± 28
|
52 ± 18
|
0.01
|
eGFR <60 mL/min/1.73 m2
|
28 (25%)
|
8 (19%)
|
7 (23%)
|
2 (18%)
|
4 (27%)
|
7 (70%)
|
0.03
|
Recent IV Contrast
|
57 (51%)
|
15 (35%)
|
21 (64%)
|
5 (45%)
|
9 (60%)
|
7 (70%)
|
0.05
|
Pre-op ACE/ARB
|
73 (66%)
|
27 (63%)
|
20 (62%)
|
9 (82%)
|
11 (73%)
|
6 (60%)
|
0.72
|
Pre-op Diuretics
|
31 (28%)
|
11 (25%)
|
6 (19%)
|
3 (27%)
|
5 (33%)
|
6 (60%)
|
0.16
|
Surgery Type
| | | | | | | |
MVR Only/AVR Only
|
35 (32%)
|
12 (28%)
|
13 (41%)
|
2 (18%)
|
4 (27%)
|
4 (40%)
|
0.17
|
CABG Only
|
59 (53%)
|
28 (65%)
|
13 (41%)
|
8 (73%)
|
6 (40%)
|
4 (40%)
| |
CABG + MVR/AVR
|
17 (15%)
|
3 (7%)
|
6 (18%)
|
1 (9%)
|
5 (33%)
|
2 (20%)
| |
Intraoperative Measures
| | | | | | | |
Duration of Surgery (mins)
|
177 (146, 209)
|
188 (150, 209)
|
156 (122, 190)
|
176 (117, 200)
|
186 (151, 233)
|
200 (173, 243)
|
0.007
|
CPB Time (mins)
|
92 (72, 108)
|
92 (77, 105)
|
75 (62, 96)
|
84 (46, 100)
|
103 (88, 148)
|
103 (95, 140)
|
0.01
|
Intraoperative pRBC
|
24 (22%)
|
6 (12%)
|
9 (25%)
|
1 (0%)
|
7 (40%)
|
6 (50%)
|
0.007
|
Intraoperative Crystalloid (cc)
|
1260 (875, 1727)
|
1200 (900, 1780)
|
1350 (900, 1663)
|
850 (700, 1260)
|
1050 (845, 1650)
|
1386 (1000, 1880)
|
0.43
|
Intraoperative Colloid (cc)
|
500 (500, 500)
|
500 (500, 650)
|
500 (500, 600)
|
500 (500, 500)
|
500 (500, 500)
|
500 (500, 500)
|
0.54
|
Total Fluid Administered (cc)
|
1850 (1485, 2380)
|
1820 (1500, 2380)
|
1901 (1715, 2398)
|
1350 (1100, 1960)
|
1730 (1520, 2404)
|
2165 (1600, 3412)
|
0.08
|
Total Urine Output (cc)
|
250 (160, 400)
|
325 (175, 500)
|
250 (187, 470)
|
220 (150, 350)
|
260 (125, 400)
|
125 (70, 225)
|
0.07
|
Total Fluid Balance (cc)
|
129 (846, 1700)
|
1350 (900, 1720)
|
1147 (875, 1519)
|
1240 (515, 1825)
|
1200 (−686, 1650)
|
1765 (105, 2003)
|
0.68
|
Negative Fluid Balance at Completion of Surgery
|
8 (7%)
|
1 (2%)
|
0 (0%)
|
0 (0%)
|
5 (33%)
|
2 (20%)
|
<0.001
|
Postoperative Medications
| | | | | | |
Vasopressors
|
85 (77%)
|
29 (67%)
|
27 (84%)
|
6 (54%)
|
13 (87%)
|
10 (100%)
|
0.04
|
Number of Vasopressors
|
1 (1, 2)
|
1 (0, 1)
|
1.5 (1, 2)
|
1 (0, 2)
|
2 (1, 2)
|
2.5 (2, 4)
|
<0.001
|