Table 1 Baseline characteristics of patients in the control group and of those in the recruitment maneuver group
From: Benefit of a single recruitment maneuver after an apnea test for the diagnosis of brain death
Control group (n= 27) | RM group (n= 27) | P value | |
|---|---|---|---|
Age, years | 51 ± 15 | 55 ± 15 | 0.35 |
Cause of brain death | |||
Brain trauma | 4 (15%) | 8 (22%) | |
Stroke | 18 (67%) | 16 (59%) | 0.38 |
Others | 5 (19%) | 3 (11%) | |
Sex | |||
Male | 19 (70%) | 21 (78%) | 0.76 |
Female | 8 (30%) | 6 (22%) | |
Weight, kg | 76 ± 14 | 74 ± 13 | 0.54 |
Size, cm | 173 ± 10 | 172 ± 9 | 0.89 |
Pulmonary disease history | 1 (4%) | 2 (7%) | 1.00 |
History of smoking | 8 (30%) | 6 (22%) | 0.75 |
Abnormal chest x-ray | 4 (15%) | 7 (26%) | 0.50 |
Mean arterial blood pressure, mm Hg | 87 ± 10 | 90 ± 20 | 0.63 |
Administration of catecholamine | 23 (85%) | 24 (89%) | 1.00 |
Ventilatory settings | |||
Tidal volume, mL | 525 (500-550) | 550 (500-600) | 0.30 |
Respiratory frequency, per minute | 12 (12-14) | 12 (10-14) | 0.16 |
Positive end-expiratory pressure, cm H2O | 5 (5-5) | 5 (5-5) | 0.67 |
Duration of mechanical ventilation, hours | 36 (22-48) | 30 (23-48) | 0.79 |
Duration of ventilation of more than 5 days | 3 (11%) | 4 (15%) | 1.00 |