Journal of Korean Society of Geriatric Neurosurgery 2007;3(1):61-65.
Published online June 30, 2007.
Clinical Features of Geriatric Chronic Subdural Hematoma
Woo-Yong Lee , Joo-Chul Hong , Sang-Woo Kim, Chul-Hoon Chang , Oh-Lyong Kim , Seong-Ho Kim

Department of Neurosurgery, College of Medicine, Yeungnam University, Daegu, Korea

Chronic subdural hematoma (CSDH) is a relatively frequent problem in neurosurgical practice. The aim of this study is to compare the clinical features of CSDH patient in non-geriatric and geriatric patients.
Between July 2000 and June 2005, 174 patients of CSDH underwent burr hole craniostomy with closed system drainage. A retrospective analysis of clinical data and radiologic findings were performed by differentiating non-geriatric patients, age <65 years (Group A, n=83, 47.7%) versus geriatric patients, age ≥65 years (Group B, n=91, 52.3%). SPSS (12.0K for windows) was used for statistical analysis.
Mean age of each group were 51.3 years, 72.2 years, and the most common cause of CSDH was head injuries in both group (Group A, 66.3%, Group B 61.5%). In the remaining patients, no definite cause of CSDH was common in both group (Group A, 30.1%, Group B 35.2 %). The leading initial symptoms were headache (37.5%), and nausea/vomiting (12.7%) in Group A, but motor weakness (31.9%) was more frequent in Group B. The geriatric patients had a greater drainage volume than the non-geriatric patients (347.2 cc vs 232.2 cc). The mean thickness of the hematomas on computed tomography were 19.4 mm in Group A and 24.0 mm in Group B.
The geriatric patients of CSDH have a more common preceeding events of minor head injury such as slip down and go unnoticed, and have a more leading symptom of motor weakness than non-geriatric patients. Thus, careful evaluation to exclude other similar clinical settings, such as cerebrovascular disorders, is warranted in geriatric patients.
Key Words: GeriatricsㆍChronic subdural hematomaㆍMotor weaknessㆍOperationㆍOutcome

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