This paper concerns 106 consecutive subdural haematomas in adults, 94
of whom were chronic and 12 subacute. Among these, 78 subdural haemato
mas were operated upon according to a new protocol - two burr holes, i
rrigation and closed drainage of the haematoma for 48 hours in the sup
ine position. The others were treated by decompressive craniectomy acc
ording to the clinical judgement of the surgeon. The results are prese
nted.