Table 1 Hemoglobin, systemic and intestinal hemodynamic and oxygen transport variables, and arterial blood gases in hemorrhage/retransfusion (H/R) and sham groups

Hemoglobin (g per 100 mL)

H/R

8.3 [7.7–9.7]

7.8 [7.3–9.1]†

7.3 [7.0–9.1]*†

6.5 [6.1–7.7]*†

8.0 [6.9–9.3]†

7.8 [7.7–9.7]

8.1 [7.2–9.7]

Sham

9.9 [9.3–10.3]

9.9 [9.5–10.4]

9.8 [9.3–10.5]

9.6 [9.2–9.8]

9.6 [9.2–9.8]

9.3 [8.8–9.8]

9.4 [8.6–10.0]

Mean arterial pressure (mmHg)

H/R

83 [72–96]

42 [34–47]*†

40 [32–44]*†

28 [22–30]*†

95 [90–100]

90 [82–99]

91 [79–97]

Sham

91 [90–102]

97 [80–109]

92 [89–102]

99 [91–109]

98 [90–108]

100 [92–112]

100 [91–110]

Central venous pressure (mmHg)

H/R

3 [0–6]

3 [1–6]

4 [1–7]

4 [0–7]

6 [1–9]

3 [1–5]

3 [0–5]

Sham

2 [1–2]

2 [1–4]

3 [1–3]

2 [1–4]

2 [1–4]

2 [1–4]

2 [1–4]

Mean pulmonary pressure (mmHg)

H/R

17 [10–20]

12 [7–17]

11 [8–13]

10 [6–12]*†

22 [17–32]†

18 [12–20]

16 [13–19]

Sham

11 [10–13]

13 [12–14]

14 [13–15]

13 [12–13]

13 [12–13]

14 [13–15]

13 [11–16]

Pulmonary occlusion pressure (mmHg)

H/R

5 [4–7]

6 [1–8]

4 [1–8]

6 [0–7]

7 [4–9]

5 [2–9]

4 [2–7]

Sham

3 [2–6]

2 [2–4]

2 [2–3]

3 [3–4]

3 [3–4]

2 [1–4]

2 [2–3]

Cardiac index (mL min⁻¹ kg⁻¹)

H/R

155 [136–177]

89 [64–177]

78 [70–119]

53 [39–72]*†

210 [158–340]†

133 [116–179]

134 [102–180]

Sham

122 [101–149]

122 [100–151]

108 [97–167]

99 [94–168]

101 [96–112]

110 [99–178]

113 [96–174]

Mesenteric flow (mL min⁻¹ per 100 g)

H/R

805 [489–903]

451 [253–665]

427 [264–576]

236 [110–332]*†

1052 [644–1406]†

850 [550–1072]

923 [523–986]

Sham

457 [445–786]

500 [457–992]

445 [426–743]

457 [379–714]

448 [428–750]

487 [457–892]

502 [487–814]

Arterial pH

H/R

7.44 [7.35–7.49]

7.44 [7.39–7.49]

7.44 [7.40–7.49]

7.42 [7.39–7.48]

7.28 [7.20–7.37]*†

7.37 [7.29–7.43]†

7.41 [7.32–7.45]†

Sham

7.49 [7.42–7.51]

7.49 [7.39–7.56]

7.52 [7.41–7.52]

7.53 [7.42–54]

7.52 [7.41–7.53]

7.51 [7.44–55]

7.55 [7.42–54]

Arterial PCO₂ (mmHg)

H/R

38 [37–40]

36 [35–39]

36 [33–39]

34 [31–36]*

44 [41–52]*†

38 [36–42]

39 [34–41]

Sham

38 [33–40]

37 [35–40]

36 [34–39]

34 [33–39]

34 [33–39]

34 [32–38]

34 [32–38]

Arterial PO₂ (mmHg)

H/R

86 [77–91]

83 [77–93]

88 [77–95]

92 [87–106]

75 [69–84]*†

86 [75–92]

85 [77–94]

Sham

87 [78–93]

83 [81–87]

87 [83–95]

87 [78–99]

91 [74–99]

88 [87–100]

89 [85–99]

Arterial bicarbonate (mEq L⁻¹)

H/R

26 [21–28]

25 [22–27]

23 [20–26]*

23 [18–25]*†

23 [18–25]*†

23 [19–25]*†

24 [19–27]†

Sham

26 [25–28]

29 [23–31]

28 [25–29]

27 [25–29]

27 [25–29]

27 [25–28]

28 [25–30]

Arterial base excess (mEq L⁻¹)

H/R

2 [−4 to 4]

1 [−2 to 5]

2 [−2 to 3]

−1 [−5 to 3]*†

−3 [−9 to 0]*†

−2 [−6 to 1]*†

−1 [−6 to 2]†

Sham

3 [−3 to 5]

5 [−2 to 9]

5 [1–6]

4 [0–6]

4 [0–6]

4 [0–5]

5 [1–8]