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Journal of Korean Neurosurgical Society 1998;27(7): 953-959.
Clinical Analysis of Surgically Treated 134 Cases of Anterior Communicating Artery Aneurysms.
Jun Hee Cho, Hyeon Song Koh, Jin Young Yeom, Seong Ho Kim, Shi Hun Song, Youn Kim
Department of Neurosurgery, College of Medicine, Chungnam National University, Taejeon, Korea.
This study is a retrospective clinical analysis of 134 cases of anterior communicating artery aneurysms surgically treated in the Department of Neurosurgery, Chungnam National University Hospital from January 1990 to December 1996. The results of analysis were summarized as follows; 1) Peak age incidence was in the sixth decade and male to female ratio was 1: 1.2, showing female predominancy. 2) There was no statistically significant relationship between direction of aneurysm and Fisher's grade, and occurrence of hydrocephalus, and also between the direction, size and shape of aneurysm and preoperative Hunt-Hess grade. 3) There was statistically significant relationship between the shape of aneurysm and angiographic vasospasm; there was high incidence of vasospasm in lobulated and oval shape of aneurysm. But there was no statistically significant relationship between the direction, size of aneurysm and angiographic vasospasm. 4) The correlations between outcome and preoperative Hunt-Hess grade, and occurrence of angiographic vasospasm, and temporary clipping were statistically significant; the outcome was good in cases of no vasospasm, temporay clipping and better preoperative Hunt-Hess grade. 5) The direction, shape and size of aneurysm, existence or not of abnormality in circle of willis, timing of surgery and operative procedure had no statistically significant relationship with outcome. 6) Postoperative complications were vasospasm and infarction(18.7%), brain edema, hydrocephalus, in order of frequency, and the mortality rate was 3%.
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