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Journal of Korean Neurosurgical Society > Volume 25(8); 1996 > Article
Journal of Korean Neurosurgical Society 1996;25(8): 1602-1606.
Subdural Hygroma Following Pterional Approach for Cerebral Aneurysmal Surgery.
Chan Youl Park, Byung Yon Choi, Seong Ho Kim, Jang Ho Bae, Oh Lyong Kim, Soo Ho Cho
Department of Neurosurgery, College of Medicine, Yeungnam University, Taegu, Korea.
The occurrence of subdural hygroma following pterional approach for intracranial aneurysm at Yeungnam University from March 1994 to December 1994 was studied with regard to the patients age, location of aneurysm, preoperative ventricular dilatation, operation time, cortex color, CSF flow, opening degree of Liliequist membrane, dissection degree of sylvian fissure, postoperative intradural air amount and day for mannitol infusion using chi-square test. The following results and conclusions were obtained: 1) Subdural hygroma was observed in 28 of 53 patients(52.8%). 2) The patient's age was significantly related to the occurance of subdural hygroma(p<0.05). 3) CSF flow through the basal cistern was significantly related to the occurrence of subdural hygroma(p<0.05). 4) In cases of good CSF flow, degree of Lilieqist membrane opening was significantly related to the occurrence of subdural hygroma(p<0.05). Preserving of Liliequist membrane will minimize the occurrence of subdural hygroma.
Key Words: Subdural hygroma; CSF flow; Liliequist membrane; Aneurysmal surgery; Pterional approach; SAH
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