Skip to main content

Table 4 Preweaning ventilator settings and spontaneous breathing parameters

From: Does taking endurance into account improve the prediction of weaning outcome in mechanically ventilated children?

Variable

Weaning success

Weaning failure

P

PIP (cmH2O)

14 (12–16)

15 (14–16)

NS

VTPSV (ml/kg)

8.9 (7.7–10.1)

8.9 (6.1–10.1)

NS

RRs not age-adjusted (breaths/minute)

40 (30–57)

59 (47–67)

NS

RRs age-adjusted (breaths/minute; ref.)

2.4 (0.8–6.3)

7.9 (3.2–11.4)

NS

VTs (ml/kg)

7.1 (5.7–9.8)

7.1 (4.5–8.9)

NS

PaCO2 (mmHg)

33 (30–38)

35 (32–36)

NS

PaO2 (mmHg)

78 (65–87)

69 (64–76)

NS

FiO2 (%)

0.25 (0.21–0.30)

0.30 (0.24–0.36)

NS

PaO2/FiO2 (mmHg)

296 (247–371)

237 (190–310)

NS

  1. FiO2, inspired oxygen fraction; NS, not significant; PaCO2: arterial carbon dioxide partial pressure; PaO2, arterial oxygen partial pressure; PIP, peak inspiratory pressure on pressure support ventilation; RRs, spontaneous respiratory rate; VTPSV, tidal volume on pressure support ventilation; VTs, spontaneous tidal volume.
Back to article page

Critical Care

ISSN: 1364-8535