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Table 3 Respiratory parameters at FINAL

From: The impact of fluid status and decremental PEEP strategy on cardiac function and lung and kidney damage in mild-moderate experimental acute respiratory distress syndrome

 

FLUIDS

PEEP

FINAL

VT (mL/kg)

NORMO

FAST

6.1 ± 1.2

HIGH

6.4 ± 1.0

NORMO

SLOW

6.0 ± 1.0

HIGH

6.5 ± 0.6

RR (bpm)

NORMO

FAST

113 ± 25

HIGH

104 ± 38

NORMO

SLOW

120 ± 29

HIGH

100 ± 24

V′E (mL/min)

NORMO

FAST

202 ± 28

HIGH

203 ± 37

NORMO

SLOW

206 ± 17

HIGH

205 ± 24

Ti/Ttot (s)

NORMO

FAST

0.4 ± 0.1

HIGH

0.4 ± 0.0

NORMO

SLOW

0.3 ± 0.0

HIGH

0.4 ± 0.0

Pplat,RS

(cmH2O)

NORMO

FAST

13.3 ± 4.7

HIGH

15.1 ± 2.7

NORMO

SLOW

10.7 ± 1.2

HIGH

10.8 ± 1.3*

∆P,RS

(cmH2O)

NORMO

FAST

9.9 ± 2.9

HIGH

12.7 ± 2.5

NORMO

SLOW

8.9 ± 1.5

HIGH

8.5 ± 1.3*

  1. Values are means ± SD of 7 animals/group. Respiratory variables obtained at FINAL. NORMO and HIGH: administration of Ringer lactate at 10 mL/kg/h and 30 mL/kg/h, respectively. FAST: abrupt PEEP decrease from 9 to 3 cmH2O. SLOW: gradual PEEP decrease (0.2 cmH2O/min) from 9 to 3 cmH2O
  2. VT tidal volume, RR respiratory rate, V′E minute ventilation, Ti/Ttot ratio of inspiratory time to total time, Pplat,RS respiratory system plateau pressure, ∆P,RS respiratory system driving pressure
  3. *Significantly different from HIGH-FAST (p < 0.0125)