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

From: Systemic and microcirculatory effects of blood transfusion in experimental hemorrhagic shock

    Hemorrhage Retransfusion
   Baseline 30′ 60′ 90′ 2′ 30′ 60′
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]
  1. Data are shown as median [percentile 0.25–0.75]
  2. *P < 0.05 vs. basal; †P < 0.05 vs. sham