Table 2 Intraoperative and postoperative characteristics of all patients, the glutamate group and the control group (saline)

Aortic crossclamp time (min)

50 [40–64]

53 [39–63]

48 [40–65]

0.95

CPB time (min)

76 [63–97]

77 [62–97]

76 [64–97]

0.94

Reperfusion time (min)

21 [15–29]

20 [16–30]

21 [15–28]

0.49

NT-proBNP POD1 (ng•L⁻¹)

2175 [1340–3770]

2220 [1484–4040]

2041 [1236–3429]

0.18

NT-proBNP POD3 (ng•L⁻¹)

3690 [2239–6065]

3640 [2335–6155]

3781 [2081–6020]

0.95

Delta NT-proBNP POD1-Pre (ng•L⁻¹)

1590 [1029–2725]

1640 [1069–2801]

1522 [910–2640]

0.49

Delta NT-proBNP POD3-Pre (ng•L⁻¹)

3067 [1617–5038]

2995 [1671–5009]

3110 [1580–5297]

0.94

CK-MB POD1 (µg•L⁻¹)

15 [10–23]

14 [10–23]

15 [11–23]

0.43

TroponinT POD3 (ng•L⁻¹)

250 [140–510]

260 [150–490]

250 [140–550]

0.87

Delta troponin T POD3-Pre (ng•L⁻¹)

190 [95–385]

195 [90–390]

180 [100–370]

0.84

Inotropic support

24% (95)

28% (56)

20% (39)

0.06

ICU stay (h)

21 [17–23]

20 [17–23]

21 [17–24]

0.21

ICU stay > 72 h

6% (23)

6% (12)

6% (11)

1

Ventilation time (h)

4 [3–6]

4 [3–6]

4 [3–6]

0.77

Ventilation time > 48 h

3% (11)

3% (6)

3% (5)

1

PHF

10% (40)

10% (19)

11% (21)

0.74

Severe PHF

3% (10)

2% (3)

4% (7)

0.22

Postoperative stroke

2% (7)

2% (4)

2% (3)

1

AKI

15% (61)

17% (33)

14% (28)

0.58

Hospital mortality

1% (5)

1% (2)

2% (3)

0.69