1980 Volume 27 Issue 1 Pages 25-36
The existence of subdural effusion is harmful for the brain and it should be strictly warned to let it alone so as not to make the prognosis worse. With an aim to obtaining indexes to decide whether surgical treatment should be positively performed, or the clinical course should be carefully observed without giving surgical treatment, the authors have devised a method in which the record of ICP while patients are sleeping and changes through time of the morphology in the skull by CT scan can be quantitatively obtained.