|
Demographic characteristics
| |
|
Age, days
|
95.8 ± 91.1
|
|
≤ 28 days of birth
|
75 (37.5)
|
|
≤ 48 h of birth
|
5 (2.5)
|
|
Weight, kg
|
4.4 ± 1.5
|
|
Medical history before surgery
| |
|
Genetic syndrome
|
8 (4)
|
|
Resternotomy
|
18 (9)
|
|
Cardiopulmonary resuscitation
|
2 (1)
|
|
Mechanical ventilation
|
11 (5.5)
|
|
Inotropic support
|
3 (1.5)
|
|
Infection
|
19 (9.5)
|
|
Enteropathy
|
4 (2)
|
|
Medication before surgery
| |
|
Furosemide
|
42 (21)
|
|
Spironolactone
|
12 (6)
|
|
Angiotensin-converting enzyme inhibitors
|
28 (14)
|
|
Beta blockers
|
12 (6)
|
|
Prostaglandin E1
|
44 (22)
|
|
Aminoglycoside antibiotics
|
31 (15.5)
|
|
Vancomycin
|
18 (9)
|
|
Angiography within 1 week before surgery
|
22 (11)
|
|
Intra-operative variables
| |
|
STS-EACTS Congenital Heart Surgery Mortality Score
|
0.94 ± 0.79
|
|
Duration of cardiopulmonary bypass, minutes
|
118.2 ± 63.0
|
|
Surgery requiring aortic cross-clamping
|
190 (95)
|
|
Duration of aortic cross-clamping, minutes
|
62.9 ± 33.9
|
|
Ultrafiltration rate, ml kg−1 min−1 of bypass
|
1.4 ± 0.6
|
|
Surgery requiring deep hypothermic circulatory arrest
|
18 (9)
|
|
Packed red blood cell transfusions, ml
|
469.9 ± 153.9
|
|
Fresh frozen plasma transfusions, ml
|
221.1 ± 116.4
|
|
Platelet transfusions, ml
|
61.8 ± 32.7
|
|
Post-operative variables
| |
|
Requirement for delayed sternal closure
|
38 (19)
|
|
Requirement for extracorporeal membrane oxygenation
|
3 (1.5)
|
|
Peak lactacidemia within 6 h of surgery, mmol L−1
|
3.8 ± 2.0
|
|
Peak lactacidemia within 48 h of surgery, mmol L−1
|
3.7 ± 1.9
|
|
Vasoactive-inotropic score within 48 h of surgery, μg kg−1 min−1
|
15.05 ± 7.29
|
|
Delay to sternal closure, days
|
3.9 ± 3.5
|
|
Post-operative renal variables
| |
|
Peak serum creatinine within 48 h of surgery, mmol L−1)
|
49.2 ± 23.1
|
|
Peak ΔsCr within 48 h of surgery, %
|
26.4 ± 47.1
|
|
Mean urine output within 24 h of surgery, ml kg−1 h−1
|
4.1 ± 2.7
|
|
Negative fluid balance, ml kg−1 24 h−1
|
−28.06 ± 26.8
|
|
Peritoneal dialysis
|
16 (8)
|
|
Duration of peritoneal dialysis, days
|
0.24 ± 0.96
|
|
AKI stage according to AKIN system
| |
|
Stage 1
|
16 (8)
|
|
Stage 2
|
8 (4)
|
|
Stage 3
|
17 (8.5)
|
|
Duration of mechanical ventilation, days
|
1 [0–5]
|
|
Duration of intensive care unit stay, days
|
4.5 [2–7]
|
|
In-hospital death
|
8 (4)
|
