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Table 2 Respiratory Gases and Mechanics

From: Mathematical modelling to centre low tidal volumes following acute lung injury: A study with biologically variable ventilation

 

Pre OA

Post OA

Post PV Curve

1 hr

5 hr

PaO2

     

   Control Group

265 ± 23 *

101 ± 15

113 ± 9

147 ± 46 *

176 ± 36 *

   Experimental Group

267 ± 19 *

89 ± 16

100 ± 45

139 ± 59 *

163 ± 62 *

PaCO2

     

   Control Group

38 ± 4 *

48 ± 5

56 ± 9

57 ± 7

51 ± 5

   Experimental Group

38 ± 2 *

48 ± 7

53 ± 10

54 ± 21

49 ± 12

PvO2

     

   Control Group

43 ± 4 *

35 ± 3

38 ± 2

37 ± 5

35 ± 4

   Experimental Group

48 ± 5 *

38 ± 5

37 ± 5

39 ± 7

36 ± 6

pHa

     

   Control Group

7.45 ± 0.04 *

7.34 ± 0.04

7.30 ± 0.07

7.29 ± 0.06

7.35 ± 0.04

   Experimental Group

7.45 ± 0.03 *

7.33 ± 0.04

7.30 ± 0.08

7.30 ± 0.08

7.35 ± 0.07

Crs

     

   Control Group

1.15 ± 0.17 *

0.66 ± 0.12

0.58 ± 0.12

0.55 ± 0.13

0.61 ± 0.11

   Experimental Group

1.11 ± 0.17 *

0.70 ± 0.22

0.58 ± 0.17

0.60 ± 0.16

0.68 ± 0.18

  1. PaO2 = Arterial Partial Pressure O2 (mmHg)
  2. PaCO2 = Arterial Partial Pressure CO2 (mmHg)
  3. PvO2 = Mixed Venous Partial Pressure O2 (mmHg)
  4. pHa = Arterial pH
  5. Crs = Compliance L/cmH2O
  6. * p < .05 Within Groups vs Post PV Curve
  7. Control Group n = 11 Mean ± SD
  8. Experimental Group n = 11 Mean ± SD