Skip to main content

Table 2 Univariate analysis of risk factors associated with postoperative AKI in patients with ADTIAD

From: Body mass index is an independent predictor of acute kidney injury after urgent aortic arch surgery for acute DeBakey Type I aortic dissection

Variable Statistics OR (95%CI) P-value
Age 47.81 + 10.70 1.02 (0.98, 1.05) 0.339
Sex
 Male 86 (74.78%) 1.0  
 Female 29 (25.22%) 1.35 (0.58, 3.17) 0.487
BMI (kg/m2) 26.2 + 3.9 1.18 (1.06, 1.33) 0.003
Diabetes mellitus 7 (6.09%) 5.78 (0.67, 49.62) 0.110
Hypertension 92 (80.00%) 1.30 (0.52, 3.24) 0.576
Previous cerebrovascular disease 6 (5.22%) 0.42 (0.07, 2.41) 0.333
Coronary artery disease 6 (5.22%) 0.88 (0.17, 4.55) 0.878
Smoking history 56 (48.70%) 1.83 (0.87, 3.85) 0.110
Drinking history 23 (20.00%) 0.96 (0.38, 2.39) 0.926
Renal artery dissection 17 (14.78%) 0.57 (0.20, 1.62) 0.292
Hemopericardium 19 (16.52%) 0.98 (0.37, 2.63) 0.969
Penn class
 Class Aa 70 (60.87%) 1.0  
 Non class Aa 45 (39.13%) 1.18 (0.56, 2.50) 0.665
Kidney malperfusion 7 (6.09%) 1.19 (0.25, 5.59) 0.823
AMI 9 (7.83%) 3.37 (0.67, 16.98) 0.141
Preoperative shock 19 (16.52%) 0.98 (0.37, 2.63) 0.969
Preoperative sCr (umol/L) 86.22 + 29.07 1.01 (1.00, 1.02) 0.147
BUN (mmol/L) 7.21 + 2.51 1.03 (0.89, 1.19) 0.722
Hemoglobin (g/L) 136.53 + 17.32 1.00 (0.97, 1.02) 0.686
Hematocrit (%) 39.38 + 4.61 0.97 (0.89, 1.05) 0.440
eGFR mL/(min·1.73m2) 88.55 + 22.64 0.98 (0.96, 1.00) 0.013
CPB time (min) 211.25 + 55.90 1.01 (1.00, 1.02) 0.032
Aortic cross clamp time (min) 123.81 + 42.57 1.00 (0.99, 1.01) 0.401
Circulatory arrest time (min) 27.44 + 8.54 1.00 (0.96, 1.05) 0.913
Operation time (h) 8.36 + 1.89 1.33 (1.07, 1.65) 0.009
Nasopharyngeal temperature at circulatory arrest (°C) 22.86 + 1.55 0.83 (0.65, 1.06) 0.143
Rectal temperature at circulatory arrest (°C) 25.29 + 2.13 0.92 (0.77, 1.10) 0.356
Combined with CABG 8 (6.96%) 1.52 (0.35, 6.67) 0.581
Combined with aortic bypass surgery 1 (0.87%) § 0.992
Bentall+TAR+FET 47 (40.87%) 1.01 (0.48, 2.13) 0.979
Respiratory failure 18 (29.51%) 10.88 (2.39, 49.55) 0.0020
Intraoperative amount of PRBCs (mL) 393.91 + 413.17 1.00 (1.00, 1.00) 0.048
Intraoperative blood loss (mL) 1487.8 ± 710.5 1.00 (1.00, 1.00) 0.032
Intraoperative amount of plasma (mL) 400 (0–600) 1.00 (1.00, 1.00) 0.104
Reoperation for bleeding 9 (7.83%) 8.00 (0.97, 66.21) 0.054
  1. Bold value indicates significance at p < 0.05. § = The result failed because of the small sample size
  2. Results are expressed as n (%) or mean ± SD or median [IQR]
  3. AKI Acute Kidney Injury, AMI Acute Myocardial Infarction, BMI Body Mass Index, BUN Blood Urea Nitrogen, CPB Cardiopulmonary Bypass, CABG Coronary Artery Bypass Grafting, eGFR estimated Glomerular Filtration Rate, FET Frozen Elephant Trunk, ICU Intensive Care Unit, PRBCs Packed Red Blood Cells, sCr serum Creatinine, SD Standard Deviation, TAR Total Arch Replacement, IQR Interquartile Range