Table 4 Postoperative complications during hospitalization in the ICU and short-term outcomes of the recipients stratified by preoperative BMI; univariate analysis

At admission in ICU

 SAPS II score, med [IQR]

44 [39–53]

44 [37–50]

44 [38–52]

44 [39–54]

0.28

 SOFA score, med [IQR]

8 [6–10]

8 [6–9]

8 [6–10]

8 [7–10]

0.23

 Lactatemia > 3 mmol/L, n (%)

108 (36)

16 (39)

42 (32)

50 (38)

0.59

 Lactatemia > 2 mmol/L, n (%)

185 (61)

29 (71)

76 (58)

80 (60)

0.36

Hemodynamic status during hospitalization in ICU

 Duration of catecholamine administration, days, med [IQR]

2 [1–4]

2 [1–3.5]

2 [1–4]

2 [1–5]

0.28

 ECMO support after surgery, n (%)

64 (21)

9 (22)

21 (16)

34 (26)

0.17

 Duration of ECMO support, days, med [IQR]

0 [0–2]

0 [0–1]

0 [0–2]

0 [0–2]

0.15

 Atrial fibrilation, n (%)

114 (38)

12 (29)

46 (36)

56 (43)

0.25

 MOF syndrome, n (%)

100 (33)

14 (34)

39 (30)

47 (36)

0.59

Respiratory complications

 Duration of MV, med [IQR]

3 [1–17]

3[1–12]

3 [1–10]

4 [1–26]

0.091

 PGD, n (%)

161 (53)

17 (41)

60 (46)

84 (63)

0.006

 Grade 3 PGD

117 (38)

14 (34)

40 (31)

63 (47)

0.018

 NBA during hospitalization in ICU, n (%)

89 (29)

8 (20)

30 (23)

51 (39)

0.008

 Duration of NBA administration, days, med [IQR]

0 [0–1]

0 [0–0]

0 [0–1]

0 [0–2]

0.020

 Prone positionning, n (%)

43 (14)

2 (5)

13 (10)

28 (21)

0.007

 Number of sessions of prone positionning, med [IQR]

0 [0–0]

0 [0–0]

0 [0–0]

0 [0–0]

0.011

 Extubation failure, n (%)

55 (22)

9 (27)

27 (25)

19 (18)

0.43

 Tracheostomy for ventilation weaning, n (%)

85 (28)

9 (22)

27 (21)

49 (37)

0.008

Infectious complications

 Septic shock, n (%)

90 (30)

9 (22)

35 (27)

46 (35)

0.19

 Number of pneumonias, med [IQR]

1 [1, 2]

1 [1, 2]

1 [1, 2]

1 [1, 2]

0.41

Renal complications

 AKI, n (%)

145 (48)

21 (51)

59 (46)

65 (49)

0.82

 KDIGO score, med [IQR], n (%)

1 [0–2]

1 [0–2]

1 [0–2]

1 [0–3]

0.29

 KDIGO 3, n (%)

60 (20)

9 (22)

17 (13)

34 (26)

0.036

 Renal replacement therapy, n (%)

48 (16)

7 (17)

14 (11)

27 (20)

0.11

Surgical complications

 Thoracic surgical reintervention, n (%)

61 (20)

7 (17)

25 (19)

29 (22)

0.77

 Abdominal surgery, n (%)

31 (10)

6 (15)

8 (6)

17 (13)

0.10

Other complications

 Bonchial anastomotic dehiscence, n (%)

40 (16)

2 (6)

14 (13)

24 (21)

0.072

 Antibody-mediated rejection, n (%)

81 (27)

10 (24)

32 (25)

39 (30)

0.62

 Acute cellular rejection, n (%)

40 (13)

5 (12)

13 (10)

22 (17)

0.28

Outcome

 Duration of ICU stay, days, med [IQR]

17 [9–31]

18 [10–28]

15 [10–26]

18 [11–41]

0.15

 Death on day-90, n (%)

52 (17)

5 (12)

24 (18)

23 (17)

0.65

 Death at one year, n (%)

86 (28)

9 (22)

37 (28)

40 (30)

0.60