Table 2.
Types of reported acute brain injuries in ARDS
| Characteristics | Patients with ARDS and ABI (n = 30) |
|---|---|
| Demographics | |
| Age, median (IQR) | 50 (44–54) |
| Male sex | 8 (30%) |
| Past medical history | |
| Lung disease | 8 (33.3%) |
| Malignancy | 3 (12.5%) |
| Obesity | 3 (12.5%) |
| Smoking | 2 (8.3%) |
| Hypertension | 1 (4.2%) |
| Atrial fibrillation | 1 (4.2%) |
| Hypothyroidism | 1 (4.2%) |
| Alcohol use | 1 (4.2%) |
| Cardiac disease | 1 (4.2%) |
| Diabetes | 1 (4.2%) |
| Other | 2 (8.3%) |
| Etiology of ARDS | |
| Sepsis or pneumonia | 19 (95%) |
| Drug reaction | 1 (5%) |
| ARDS variables | |
| Mild ARDS | 1 (8.3%) |
| Moderate ARDS | 0 (0%) |
| Severe ARDS | 11 (91.7%) |
| Types of ABI | |
| Brain atrophy | 9 (25%) |
| Hypoxic ischemic brain injury | 8 (22.2%) |
| Subarachnoid hemorrhage | 5 (13.9%) |
| Cerebral edema | 4 (11.1%) |
| Ischemic stroke | 3 (8.3%) |
| Intracranial hemorrhage | 2 (5.6%) |
| Critical-illness associated microbleeds | 2 (5.6%) |
| Delayed posthypoxic leukoencephalopathy | 2 (5.6%) |
| Posterior reversible leukoencephalopathy | 1 (2.8%) |
| Survival | 14/30 (47%) |
Male gender, past medical history, etiology of ARDS, and ARDS variables were not reported in all studies; percentages are of all patients in all studies which reported these variables
ABI, acute brain injury, ARDS, acute respiratory distress syndrome, IQR, interquartile range