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Table 1 Patient characteristics and ventilator settings

From: Assessment of dead-space ventilation in patients with acute respiratory distress syndrome: a prospective observational study

 

Post-cardiac surgery (n = 15)

ARDS (n = 15)

Age, years

71 ± 11

56 ± 17

Gender, F/M

6/9

3/12

Weight, kg

80 ± 14

80 ± 21

Height, cm

172 ± 9

178 ± 10

Admission diagnosis

11 CABG

14 pneumonia

4 valve surgery

1 abdominal sepsis

Pulmonary comorbidities

None

1 asthma

1 interstitial lung disease

1 lung cancer

PaO2/FiO2, mmHg

354 ± 76

153 ± 38

Aa-gradient, mmHg

108 ± 51

245 ± 74

Ventilation mode

15 PRVC

9 assisted ventilation

6 controlled ventilation

PEEP, cmH2O

5 [5–7]

12 [10–14]

Tidal volume, ml/kg PBW

8.3 ± 0.9

6.8 ± 1.2

Time on ventilator

1.8 ± 0.8 h

11.5 ± 11.4 days

  1. Aa-gradient alveolar-arterial oxygen concentration gradient, ARDS acute respiratory distress syndrome, CABG coronary artery bypass graft, FiO 2 fraction of inspired oxygen, PaO 2 partial pressure of oxygen in arterial blood, PBW predicted body weight, PEEP positive end expiratory pressure, PRVC pressure-regulated volume control
  2. Data are presented as mean ± SD or median [IQR]