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J Korean Neurosurg Soc. 1998 Aug;27(8):1039-1044. Korean. Comparative Study.
Jeon YS , Song SH , Koh HS , Yeom JY , Kim SH , Kim Y .
Department of Neurosurgery, College of Medicine, Chungnam National University, Taejeon, Korea.

Among the four-hundred patients with cerebral aneurysms confirmed by cerebral angiography, we divided them into two age groups, one with ages 39 years or younger(young-aged group: 51 patients, 12.8%), and another with ages 65 years or older(old aged group: 45 patients, 11.3%). A comparison was undertaken in regard to clinical characteristics and overall outcome in two groups. In young-aged group, the female-to-male ratio was 2.2: 1 whereas, women was predominant by five times more in old aged group. Anterior communicating artery aneurysm was the most common site(43.1%) in young-aged group, unlike to old aged group where posterior communicating artery was the most common site(33.3%). The most common symptom was headache in both groups, and the hypertension was more frequent in young-aged group(45.5%) than old-aged group(33.3%). Surgery was performed in 43 patients(84%) in younger group, and 37 patients(82.2%) in elderly group. Young-aged group showed more favorable outcome(91%) than old-aged group(70%).

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