Predictors of Prolonged Stay in the Intensive Care Unit following Cardiac Surgery
Table 1
Demographic and perioperative sample characteristics.
(%)
Median (IR)
Gender
Male
102 (68.0)
Female
48 (32.0)
Age (years)
66 (15)
≤66
78 (52.0)
>66
72 (48.0)
BMI
27.6 (8.4)
Normal
49 (32.7)
Overweight/obese
101 (67.3)
Chronic pulmonary disease
No
123 (82.0)
Yes
27 (18.0)
Diabetes
No
101 (67.3)
Yes
49 (32.7)
Type of surgery
Coronary artery bypass grafting (Type I)
67 (44.7)
Valve disease repair (Type II)
41 (27.3)
Aorta aneurysm repair
17 (11.3)
Types I and II
18 (12.0)
Other*
7 (4.6)
Preoperative serum Cr (mg/dL)
1 (0.4)
≤1.4
124 (82.7)
>1.4
26 (17.3)
Mean intraoperative blood glucose (mg/dL)
130 (36)
≤130
78 (52.0)
>130
72 (48.0)
Preoperative IABP
No
146 (97.3)
Yes
4 (2.7)
CPB
No
16 (10.7)
Yes
134 (89.3)
EFLV (%)
55 (15)
≤55
105 (70.0)
>55
45 (30.0)
Duration of surgery (min)
250 (110)
≤250
76 (50.7)
>250
74 (49.3)
Duration of CPB (min)
125 (69)
≤125
76 (50.7)
>125
74 (49.3)
Preoperative AF
No
133 (88.7)
Yes
17 (11.3)
Emergency
No
135 (90.0)
Yes
15 (10.0)
Ischemic time (min)
78 (54)
≤78
76 (50.7)
>78
74 (49.3)
RBC
No
96 (64.0)
Yes
54 (36.0)
Logistic EuroSCORE (%)
5.4 (7.3)
≤5.4
75 (50.0)
>5.4
75 (50.0)
30-day mortality
Alive
130 (86.7)
Nonalive
20 (13.3)
ICU-LOS (days)
2 (3)
≤2
76 (50.7)
>2
74 (49.3)
AF: atrial fibrillation, BMI: body mass index, CPB: cardiopulmonary bypass, Cr: creatinine, EFLV: ejection fraction of the left ventricle, EuroSCORE: European system for cardiac operative risk evaluation, IABP: intraaortic balloon pump, ICU: intensive care unit, LOS: length of stay, RBCs: red blood cells.
*Another category refers to 7 patients who have undergone the closure of an atrial septal defect or a valve surgery in conjunction with aorta aneurysm repair.