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Table 2 Intraoperative characteristics according to the study groups

From: Impact of hyperbilirubinemia associated acute kidney injury on chronic kidney disease after aortic arch surgery: a retrospective study with follow-up of 1-year

Variable

Non-AKI (n = 97)

AKI without HB (n = 119)

HB-AKI (n = 68)

P

CPB characteristics

CPB time, min

230.0 (200.5–279.5)

244.0 (216.0–289.0)

252.5 (227.5–298.8)

0.017

Crossclamp time, min

125.0 (107.5–154.5)

126.0 (103.0–154.0)

138.5 (119.0–168.5)

0.041

Circulatory arrest time, min

20.0 (16.0–24.5)

20.0 (15.0–25.0)

21.0 (17.0–27.0)

0.089

Nadir Nasopharyngeal temperature, °C

24.1 (22.6–25.0)

23.9 (22.9–25.0)

23.9 (22.4–24.8)

0.432

Nadir Rectal temperature, °C

25.36 ± 1.94

25.77 ± 1.60

25.24 ± 1.50

0.079

DHCA/MHCA

7/90

8/111

7/61

0.659

Surgery duration, h

8.0 (7.5–9.4)

8.5 (8.0–10.0)

8.5 (8.0–10.0)

0.165

Received red blood cell U

2.0 (0–4.0)

2.8 (0–4.0)

4.0 (1.8–6.3)

0.001

Received plasma, mL

750 (550–950)

790 (600–1140)

800 (585–1242.5)

0.130

Received cryoprecipitate, U

20.0 (15.0–20.0)

20.0 (16.0–20.0)

20.0 (20.0–20.0)

0.010

Received blood platelet, U

2.0 (1.0–2.0)

2.0 (1.0–2.0)

2.0 (1.4–2.0)

0.388

Received washed autologous blood, mL

800 (600–1100)

1000 (765–1350)

1150 (715–1700)

0.001

Blood loss, mL

1000 (800–1350)

1200 (1000–1600)

1450 (1000–2000)

0.004

  1. AKI acute kidney injury; HB hyperbilirubinemia; CPB cardiopulmonary bypass; DHCA deep hypothermic circulatory arrest; MHCA moderate hypothermic circulatory arrest