A Clinical Analysis of Chronic Subdural Hematoma in Aged Person

ABSTRACT

A series of 41 patients with chronic subdural hematoma, admitted to the Department of Neurosurgery of Catholic Medical College Hospital from May 1, 1980 to May 1, 1984 is presented. The following results were obtained : 1) Male were more frequently involved than female with the ratio of 4.9:1. The over 50 years old age group were predominately 75.6%. 2) The etiologic factors reveal younger group(under 50) has mainly unidentified factors, but older group(over 50) has mainly head trauma history and alcoholism. 3) Older group had more frequently focal neurologic deficit such as hemiplegia, however younger group presented as increased intracranial pressure signs such as headache and vomiting. 4) The hematoma density of C-T scan on admission was hypodense 50%, isodense 30%, mixed 28%, hyperdense 2% and no correlation to age. 5) Younger group performed burr hole with drainage, and older group performed craniotomy with removal of hematoma, but post-operative results were significantly good in older group with craniotomy.