|
Demographics of studied subjects |
|
| Critically ill patients (n = 132) |
|
|
|
|
| Age (years) |
54.4 ± 1.5 |
| Gender (male/female) |
95:37 |
| Body mass index (kg/m2) |
27.4 ± 0.6 |
| Days in ICU prior to study |
8.0 ± 0.6 |
| APACHE II score |
|
| Admission |
23.9 ± 0.5 |
| Study day |
17.6 ± 0.6 |
| Enteral feeding rate (ml/hour) |
|
| Prior to breath testing |
51.1 ± 2.9 |
| After breath testing |
56.6 ± 2.8 |
| Diagnosis, % (n) |
|
| Sepsis |
33% (44) |
| Head injurya |
23% (30) |
| Multi-traumaa |
22% (29) |
| Burns |
7% (9) |
| Non-GI post-operative respiratory compromise |
9% (12) |
| Cardiac injury (ischaemia and failure) |
11% (15) |
| Blood glucose level (mmol/l) |
|
| Admission |
9.7 ± 0.9 |
| Study day |
8.0 ± 0.3 |
| Biochemistry |
|
| Albumin (g/l) |
23.6 ± 0.5 |
| Bilirubin (μmol/l) |
19.5 ± 2.5 |
| White cell count (× 109/l) |
12.6 ± 0.5 |
| Serum creatinine (mmol/l) |
0.134 ± 0.01 |
| Medications, % (n) |
|
| Opioid ± benzodiazepine |
83% (110) |
| Propofol |
60% (80) |
| Inotropes |
69% (91) |
| Mechanical ventilation |
|
| SIMV/pressure support ventilationb (n) |
74:58 |
| Fraction of inspired oxygen |
0.5 ± 0.01 |
| Positive end-expiratory pressure (cm H2O) |
6.5 ± 0.3 |
| Peak inspiratory pressure (cm H2O) |
24.5 ± 0.8 |
|
aSeven patients had head injury due to multi-trauma. bPressure support ventilation self-triggered mode. APACHE II, Acute Physiology and Chronic Health Evaluation II; GI, gastrointestinal; ICU, intensive care unit; SIMV, synchronised intermittent mandatory ventilation. | |
Nguyen et al. Critical Care 2007 11:R16 doi:10.1186/cc5685 |
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