[Extradural hematoma]

ABSTRACT

97 cases of extradural hematoma were operated in neuro-surgery between 1980 and 1990. These patients were aged below of 40 years in 75% of cases with a third of children. In a half of cases the accident of circulation was the cause of trauma, the 'free interval" was between 3 and 24 hours. The conciencious troubles were present in 95% of cases. The tomodensitometry was done for 28. patients and the explorator burr hole in 69 cases. The death was proportionnal to the deepness of coma and to the brain lesions