Skip to main content

Advertisement

Table 3 Ventilatory parameters and ventilation mode

From: Effect of mechanical ventilation on intra-abdominal pressure in critically ill patients without other risk factors for abdominal hypertension: an observational multicenter epidemiological study

Parameter Total (n= 50) CMV (n= 28) PSV (n= 16) ACV (n= 3) CPAP (n= 3) p a
RR (breath/min) 17.5 ± 4.5 16.9 ± 5.3 18.0 ± 3.1 20 ± 3.8 18.3 ± 4.2 0.399
Vmin (l/min) 9.4 ± 2.7 9.3 ± 3 9.7 ± 2 9.0 ± 1.8 9.2 ± 4.9 0.503
Vt (ml/kg) 8.1 ± 2.2 8.0 ±1.7 8.8 ± 3.1 7.1 ± 1.1 6.7 ± 0.8 0.116
Ppeak (cmH2O) 24.0 ± 11.7 24.4 ± 11.7 25.5 ± 13.2 20.6 ± 4.7 15.6 ± 6.6 0.108
Pplateau (cmH2O) 13.1 ± 8.7 14.3 ± 10.5 12.0 ± 5.8 13.0 ± 6.2 7.6 ± 0.5 0.123
PEEP (cmH2O) 2.1 ± 2.5 2.2 ± 2.4 2.0 ± 2.7 2.7 ± 2.5 1.3 ± 2.3 0.417
SC (ml/cmH2O) 79.3 ± 57.8 79.1 ± 59.3 79.3 ± 59.4 75.3 ± 77.6 85.4 ± 41.6 0.548
DC (ml/cmH2O) 32.0 ± 21.6 32.7 ± 24.7 30.4 ± 18.0 27.0 ± 8.9 39.3 ± 26.6 0.548
  1. aMann-Whitney U test. CMV, controlled mechanical ventilation; PSV, pressure support ventilation; ACV, assisted/controlled ventilation; CPAP, continuous positive airway pressure; RR, respiratory rate; Vmin, minute volume; Vt, tidal volume; Ppeak, peak pressure; Pplateau, plateau pressure; PEEP, positive end-expiratory pressure; SC, static compliance; DC, dynamic compliance.