Risk Factors for Acute Kidney Injury after Moderate Hypothermic Circulatory Arrest in Hemiarch Replacement

Table 3

Operative data and postoperative outcomes.

Operating time (min)	264 [221–322]
Cardiopulmonary bypass time (min)	124 [106–150]
Aortic cross-clamp time (min)	94 [70–117]
Circulatory arrest time (min)	15 [11–19]
Minimum rectal temperature (°C)	27.4 [25.9–28.1]
Concomitant procedure
Aortic valve surgery	103 (59.9%)
Mitral valve surgery	12 (6.8%)
Coronary artery bypass grafting	18 (10.5%)
Arrhythmia correcting surgery	7 (4.1%)
Intubation time (hrs)	18 [13–20]
ICU stay (days)	2 [2-3]
Delayed awakening	8 (4.7%)
Re-exploration for bleeding	4 (2.3%)
Stroke	8 (4.7%)
Prolonged ventilation requiring tracheostomy	10 (5.8%)
Deep sternal wound infection	1 (0.6%)
AKI	65 (37.8%)
Temporary hemodialysis	7 (4.1%)
Operative death	2 (1.1%)

AKI, acute kidney injury; ICU, intensive care unit.