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Table 2 Blood gases and statistically analysis.

From: Acute pressure overload of the right ventricle. Comparison of two models of right-left shunt. Pulmonary artery to left atrium and right atrium to left atrium: experimental study

   baseline mean ± SD 10 min mean ± SD 20 min mean ± SD % change baseline-10 min median % change baseline-20 min median
pCO 2 arterial Shunt PA -LΑ 32.98 ± 7.61 33.23 ± 6.06 34.25 ± 6.84 0.0 5.1
  Shunt RA -LΑ 32.98 ± 7.61 31.28 ± 7.07 32.65 ± 6.20 -1,39 0.30
  p-value NS NS NS NS NS
pO 2 arterial Shunt PA -LΑ 377.02 ± 82.72 352.31 ± 76.01 335.65 ± 55.35* -5.18 -8.78
  Shunt RA -LΑ 377.02 ± 82.72 362.27 ± 90.92 362.86 ± 90.10 0.0 0.0
  p-value NS NS NS NS NS
O 2 Sat arterial Shunt PA -LΑ 99.45 ± 0.94 99.24 ± 0.95 99.32 ± 0.88 -0.10 0.0
  Shunt RA -LΑ 99.45 ± 0.94 99.43 ± 0.90 99.59 ± 0.58 0.0 0.0
  p-value NS NS NS NS NS
pH pulmonary artery (distal) Shunt PA -LΑ 7.50 ± 0.09 7.44 ± 0.07 7.44 ± 0.08 -0.27 -0.66
  Shunt RA -LΑ 7.50 ± 0.09 7.44 ± 0.06 7.42 ± 0.07 -0.27 -0.94
  p-value NS NS NS NS NS
pCO 2 pulmonary artery (distal) Shunt PA -LΑ 36.54 ± 8.25 43.22 ± 7.19* 42.78 ± 8.26* 11.11 11.11
  Shunt RA -LΑ 36.54 ± 8.25 40.13 ± 8.40 41.25 ± 7.61* 4.06 10.62
  p-value NS NS NS NS NS
pO 2 pulmonary artery (distal) Shunt PA -LΑ 39.66 ± 6.40 33.40 ± 5.11** 33.19 ± 6.22** -9.97 -14.65
  Shunt RA -LΑ 39.66 ± 6.40 33.48 ± 4.44** 35.66 ± 6.31* -15.21 -5.47
  p-value NS NS NS NS NS
O 2 Sat pulmonary artery (distal) Shunt PA -LΑ 76.86 ± 9.63 65.58 ± 9.69** 64.98 ± 10.75** -14.74 -14.28
  Shunt RA -LΑ 76.86 ± 9.63 64.75 ± 8.78** 65.83 ± 12.19* -16.86 -7.39
  p-value NS NS NS NS NS
pCO2 left atrium Shunt PA -LΑ 36.10 ± 4.07 40.68 ± 4.31** 39.54 ± 5.15* 10.40 3.32
  Shunt RA -LΑ 36.10 ± 4.07 37.30 ± 4.80 35.84 ± 5.11 1.07 -6.63
  p-value NS 0.052 0.058 0.016 0.023
pO2 left atrium Shunt PA -LΑ 172.85 ± 43.10 99.27 ± 19.83** 118.23 ± 24.57** -42.05 -25.50
  Shunt RA -LΑ 172.85 ± 43.10 114.47 ± 10.96** 121.30 ± 17.01** -36.57 -29.94
  p-value NS 0.015 NS 0.050 NS
O 2 Sat left atrium Shunt PA -LΑ 99.10 ± 0.97 97.01 ± 2.20* 97.74 ± 1.88 -2.61 -1.00
  Shunt RA -LΑ 99.10 ± 0.97 97.46 ± 2.65 98.71 ± 0.89 -0.51 -0.31
  p-value NS NS NS NS NS
  1. ** p < 0.005 vs. baseline, * p < 0.05 vs. baseline, $ p < 0.05 vs. 20 min