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Technical breakdown of cSDH evacuation techniques.
| Access Size | Anesthesia | Evacuation Style | Irrigation | Specialized Tools | Adjunct Treatment Capabilities | |||
|---|---|---|---|---|---|---|---|---|
| Endoscopy | Postop Drainage | MMA | ||||||
| “Twist Drill Craniostomy” | ~5 mm | Local | Passive | No | Negative-Pressure Evacuators | No | Yes | Yes |
| “Burr Hole Craniostomy” | ~14 mm | Local or General | Active | Yes | None | Yes | Yes | Yes |
| “Craniotomy” | ~30 mm + | General | Active | Yes | None | Yes | Yes | Yes |
MMA, Middle Meningeal Embolization.
