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Table 2 Respiratory parameters during mechanical ventilation

From: Effects of pressure-controlled and volume-controlled ventilation on respiratory mechanics and systemic stress response during laparoscopic cholecystectomy

 

Group PC

(n = 20)

Group VC

(n = 20)

P

EtCO2 (mmHg)

   

 I

30.2 ± 1.7

31.5 ± 4.9

NS

 II

33.1 ± 1.8

33.0 ± 4.2

NS

P-peak (cmH2O)

   

 I

15.0 ± 2.2

18.9 ± 3.8

<0.001

 II

20.1 ± 2.9

23.3 ± 3.8

0.007

P-plateau (cmH2O)

   

 I

14.8 ± 2.1

17.2 ± 3.5

0.024

 II

19.9 ± 2.6

21.4 ± 3.7

NS

P-mean (cmH2O)

   

 I

8.8 ± 1.0

9.2 ± 1.0

NS

 II

10.2 ± 0.8

10.2 ± 1.1

NS

C-dyn (mL/cmH2O)

   

 I

56.7 ± 12.0

42.7 ± 9.8

<0.001

 II

38.0 ± 7.0

34.7 ± 6.7

NS

  1. EtCO 2 end-tidal carbon dioxide, P-peak peak airway pressure, P-plateau plateau airway pressure, P-mean mean airway pressure, C-dyn dynamic compliance, I values after entubation, before pneumoperitonium, II values during pneumoperitonium, NS not significant
  2. p < 0.05: statistically significant