Table 2 Intraoperative and postoperative characteristics in all patients, patients with/without PHF, and with severe PHF

Aortic crossclamp time (min)

49 [39–62]

48 [38–61]

57 [50–67]

0.006

55 [42–67]

0.21

CPB time (min)

75 [62–94]

73 [60–91]

99 [76–118]

< 0.0001

135 [85–150]

0.003

Reperfusion time (min)

20 [15–28]

19 [15–27]

30 [21–42]

< 0.0001

37 [26–56]

0.006

NT-proBNP POD1 (ng/L)

2065 [1324–3650]

2040 [1260–3440]

3240 [1990–5240]

< 0.0001

5040 [3060–10200]

0.001

NT-proBNP POD3 (ng/L)

3610 [2167–6010]

3450 [2003–5550]

6585 [3140–12300]

< 0.0001

11680 [6070–17914]

0.012

Delta NT-proBNP POD1-Pre (ng/L)

1575 [1016–2698]

1515 [941–2510]

2430 [1530–3470]

0.004

3120 [2030–7290]

0.044

Delta NT-proBNP POD3-Pre (ng/L)

3020 [1585–4947]

2857 [1565–4720]

4840 [2818–10520]

0.002

10390 [455–15487]

0.051

Delta NT-proBNP POD3-POD1 (ng/L)

1170 [375–2690]

1140 [350–2500]

2125 [779–5650]

0.028

7060 [− 3050–9702]

0.21

CK-MB POD1(μg/L)

14 [10–22]

14 [9–21]

22 [12–35]

< 0.0001

24 [19–51]

0.014

Troponin T POD3 (ng/L)

250 [140–490]

230 [130–420]

590 [350–1100]

< 0.0001

870 [600–1100]

0.001

Delta Troponin T POD3-Pre (ng/L)

180 [90–370]

170 [85–340]

520 [285–1045]

< 0.0001

570 [520–1100]

0.022

ICU stay (hours)

21 [17–23]

20 [17–23]

41 [21–93]

< 0.0001

122 [47–191]

< 0.0001

ICU stay > 72 h

5% (19)

2% (7)

34% (12)

< 0.0001

71% (5)

< 0.0001

Ventilation time (h)

4 [3–6]

4 [3–5]

8 [6–23]

< 0.0001

49 [6–164]

0.011

Ventilation time > 48 h

3% (11)

1% (4)

20% (7)

< 0.0001

57% (4)

< 0.0001

Postoperative stroke

1% (5)

1% (5)

0

1

0

0.95

AKI

14% (55)

12% (42)

37% (13)

< 0.0001

86% (6)

< 0.0001

Hospital Mortality

1% (5)

1% (2)

9% (3)

0.006

43% (3)

< 0.0001