sécurité (1) pression (1) besoin (1) in situ (1) air (1) point (1) taux (1) Surgery (1) Treatment (1) Area (1) Evidence-based medicine (1) Reoperation (1) Area (1) Rates (1) Technique (1) Surgery (1) Subdural hematoma (1) Pressure (1) Nervous system--Surgery (1) Local anesthesia (1) Hematoma (1) Head (1) Evidence (1) Clinical trials (1) Air (1) Technique (1) Areas (1) Reoperation (1) Relapse (1) Rates (1)