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Table 2 Urine output and parameters of blood gas analysis at baseline, during progressive haemorrhage, and after resuscitation

From: Feasibility of optical coherence tomography angiography to assess changes in retinal microcirculation in ovine haemorrhagic shock

 

Time point

Parameter (unit)

Baseline

BL 10 ml∙kg−1

BL 20 ml∙kg−1

BL 30 ml∙kg− 1 (haemorrhagic shock)

Resuscitation

Urine output (ml∙h−1)

63 (85; 105)

20 (8; 30)

0 (0; 3)*

0 (0; 0)*

20 (20; 28)

Hba (g∙dl−1)

9.0 (8.9; 10.0)

9.2 (8.3; 9.6)§

8.5 (7.4; 8.6)

7.4 (7.1; 7.8)

5.7 (5.4; 6.2)*

Hcta (%)

27.8 (27.5; 30.9)

28.6 (25.8; 29.6)§

26.3 (23.2; 27.0)

23.0 (22.2; 24.2)

18.1 (17.2; 19.4)*

pH

7.39 (7.35; 7.45)

7.44 (7.38; 7.47)

7.44 (7.39; 7.49)

7.41 (7.34; 7.46)

7.29 (7.26; 7.36)

Lactate (mmol∙l−1)

1.1 (0.6; 1.2)

0.7 (0.4; 0.9)§

1.0 (0.7; 1.3)

2.0 (1.7; 3.4)

3.8 (3.4; 4.5)

ScvO2

87 (84; 89)

68 (61; 76)

50 (33; 59)*

38.8 (29.4; 46.1)*

85.2 (79.7; 89.2)#

  1. Values presented as median (interquartile range)
  2. BL blood loss, Hb a arterial haemoglobin concentration, Hct a arterial haematocrit, S cv O 2 central venous oxygen saturation
  3. *Significant difference vs baseline
  4. #Significant difference vs haemorrhagic shock
  5. §Significant difference vs after resuscitation