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Table 1 The respiratory and circulatory parameters of the four groups before ARDS was induced and after the criteria for ARDS had been met (mean ± SD)

From: A comparison of four different models of acute respiratory distress syndrome in sheep

  N PIP OI VEI Heart rate Systolic blood Diastolic blood
   (cm H2O)    (beats/min) pressure (mmHg) pressure (mmHg)
Lavage pre 6 21 ± 2 3.2 ± 0.5 0.44 ± 0.07 117 ± 17 142 ± 6 123 ± 5
Albumin 20% pre 10 18 ± 2 2.9 ± 0.5 0.53 ± 0.11 118 ± 28 133 ± 23 113 ± 20
HCl pre 6 20 ± 3 3.6 ± 0.6 0.47 ± 0.9 99 ± 17 125 ± 20 106 ± 18
LPS iv pre 5 20 ± 3 3.4 ± 0.7 0.43 ± 0.09 112 ± 21 125 ± 10 108 ± 8
p < 0.05 pre   no no no no no no
Lavage post 6 34 ± 3 45.1 ± 38.7 0.17 ± 0.05 112 ± 13 95 ± 16 63 ± 18
Albumin 20% post 10 36 ± 6 37.4 ± 12 0.16 ± 0.07 130 ± 29 119 ± 17 99 ± 19
HCl post 6 38 ± 4 36.8 ± 7.8 0.18 ± 0.03 108 ± 31 116 ± 6 99 ± 10
LPS iv post 5 36 ± 10 62.5 ± 17.7 0.11 ± 0.01 127 ± 14 106 ± 21 88 ± 22
p < 0.05 post   no no no no no yes