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Table 2 Intraoperative respiratory and hemodynamic parameters during the phase 2 period

From: Protective mechanical ventilation with optimal PEEP during RARP improves oxygenation and pulmonary indexes

 

Traditional ventilation (n=32)

Protective ventilation (n=32)

P

Respiratory rate (bpm)

12.8±1.5

16.3±1.3

< 0.001

Lung compliance (ml/cmH2O)

 T2

22.3±3.9

23.3±3.6

0.276

 T3

21.4±3.7

23.5±3.7

0.025

Pplat (cmH2O)

 T2

26.7±3.8

28.2±1.8

0.051

 T3

27.1±3.7

28.3±1.7

0.113

VD/VT

 T2

21.0±5.8

21.9±6.8

0.590

 T3

22.6±5.5

21.7±6.6

0.555

MAP (kPa)

 T2

11.8±1.3

11.9±1.1

0.707

 T3

11.8±1.3

12.0±1.3

0.549

CO (L/min)

 T2

3.9±0.9

3.7±0.8

0.282

 T3

4.1±0.9

4.0±0.9

0.481

SVV (%)

 T2

11.2±4.0

9.8±2.7

0.098

 T3

9.5±3.4

8.6±3.4

0.298

  1. bpm Beats per minute, T2 and T3 20 min after each recruitment maneuver, Pplat Plateau pressure, VD Volume of physiological dead space, VT Tidal volume, MAP Mean arterial pressure, CO Cardiac output, SVV Stroke volume variation