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KMID : 0365819830230020475
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Journal of Pusan Medical College
1983 Volume.23 No. 2 p.475 ~ p.484
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A Clinical Analysis of Chronic Subdural Hernatoma
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Abstract
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The author presented 18 cases of chronic subdural hematoma which were diagnosed by computerized tomographic (CT) scan and were confirmed by operation at the Department of Neurcsurgery, Pusan National University Hospital, from May, 1982 to October, 1E83.
The results were summarized as the followings:
1. Males were more frequently involved than female with the ratio of 3.5:1. Common incidence of age was between 6th decade and 7th decade.
2. Most of the cases (88.9%) had a history of craniocerebral injury and some of them had a alcoholism (38.9%).
3. Older age (more than 50 yrs) group had more frequently mental changes (80%), and focal neurological deficit such as hemiparesis (60%), however, younger age (less than 50 yrs) group presented signs as headache (62.5%) and vomiting (62.5%).
4. The hematoma density of CT scan showed isodense (38.9%), mixed dense (33.3%), hypodense (16.7%), orhyperdense (11.1%) lesion, that was not correlated with duration after head trauma.
5. The hematoma shape of CT scan showed biconvex shape (80%) in older age group that did not show the relation between hematoma shape and the duration of hematoma age.
6. Of the 18 cases, 12 cases were treated with burr hole drainage, 6 cases with craniotomy and membranectomy, but the operative method did not affect the postoperative results.
7. The analysis and pathological review of hematoma blood and membrane showed the possible role of bleeding from outer membrane to hematoma expansion.
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