Table 2.
Clinical characteristics and neuroimaging manifestations of patients with PRES and CSF hypovolemia.
| Characteristics | Cases, n = 31 |
|---|---|
| Age | 33 (26–62) |
| Gender (Female) | 27 (87.1%) |
| Time to PRES onset (Median, range) | 4 days (2 h to 7 weeks) |
| Clinical features | |
| Headache | 22 (71.0%) |
| Seizure | 26 (83.9%) |
| Disturbed vision | 13 (41.9%) |
| Altered mental state | 20 (64.5%) |
| Hemiparesis | 4 (12.9%) |
| Brainstem symptom | 3 (9.7%) |
| Babinski's sign | 1 (3.2%) |
| Systolic blood pressure (mmHg) | |
| Normal (<140) | 15 (48.4%) |
| Mild (140–169) | 7 (22.6%) |
| Moderate (170–199) | 7 (22.6%) |
| Severe > 200 | 1 (3.2%) |
| Edema grading | |
| Mild | 16 (51.6%) |
| Medium | 11 (35.5%) |
| Severe | 5 (16.1%) |
| Distribution pattern | |
| Parieto-occipital | 22 (71.0%) |
| Superior | 4 (12.9%) |
| Central | 3 (9.7%) |
| Holohemispheric | 2 (6.5%) |
| Vasculopathy | 3 (9.7%) |
| Complete restitution | 20 (80%)* |
| Recurrence | 3 (10%)* |
| Favorite outcome | 26 (83.9%) |
*
The percentages for subcategories are based on the patients who have related data.