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Journal of Korean Neurosurgical Society 1973;2(1): 1-8.
Treatment of Cerebral Aneurysms and Aneurysm Surgery under Hypotension.
Jin Un Song, Yung Keun Lee, Chang Rak Choi, Joon Kee Kang, Jang Sung Song, Choon Jang Lee, Young Soo Ha, Dal Soo Kim, Tae Kyung Sung, Myung Soo Ahn
Department of Neurosurgery, Catholic Medical College, Seoul, Korea.
Authors have experienced 104 cases of the intracranial aneurysms with subarachnoid hemorrhage, who were proved to have aneurysms by cerebral angiography for past 8 years. Aneurysms surgery under controlled hypotension has shown far better result than that of surgery under hypothermia, carotid ligation or conservative treatment. Of the 104 cases, the site distribution of aneurysms and the result of various treatment are analyzed. Followings are the results. 1. Anterior communication aneurysm was 44 per cent of the cases and it was most common site of the intracranial aneurysms. 19 per cent of aneurysms located on internal carotid artery at the posterior communicating artery, and middle cerebral artery aneurysm was 16%. The site distribution of aneurysms in Korean has shown marked difference from the reports of other countries. 2. Of 40 cases, who received conservative therapy, 15 cases (375% ) were expired, and most of them were dead due to rebleeding from aneurysms. 3. The direct attack of aneurysms through intracranial approach was performed under moderate hypothermia till 1970, and controlled hypotension was introduced thereafter. In 19 cases of intracranial aneurysm surgery, 7(14.2%) were expired following surgery. 4. Mortality of the carotid ligation for 15 cases of the intracranial aneurysms was 40 per cent. Cerebral ischemia or rebleeding was cause of death. 5. Intracranial aneurysm surgery under hypotension was carried out in 16 cases, and one cases (6.2%) was expired. Induced hypotension and careful identification of aneurysm and neighbouring structures by magnify operating glasses promoted operative result in aneurysm surgery.
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