Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Predisposing factors to developing intracranial SDE
| Aetiology | Frequency (N) | Number of | ||
|---|---|---|---|---|
| Sinusitis | 26 (53.1) | |||
| • Frontal | 1 | |||
| • Maxillary | 14 | |||
| • Mixed | Frontal and maxillary | 10 | 11 | |
| Spheno-ethmoidal and maxillary | 1 | |||
| Sepsis | 3 (6.1) | |||
| Post-op | (8.2) | |||
| • Burr hole for chronic subdural haematoma | 2 | |||
| • Burr hole for frontal extradural abscess | 1 | |||
| • Decompressive craniectomy | 1 | |||
| Meningitis | 5 (10.2) | |||
| Otitis | 1 (2.0) | |||
| Cryptogenic | 10 (20.4) | |||
