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Journal of Korean Neurosurgical Society 1998;27(10): 1379-1384.
Surgical Treatment of Distal Anterior Cerebral Artery Aneurysms.
Tae Hoon Kang, Jung Nam Sung, Young Joon Kim, Maeng Ki Cho
Department of Neurosurgery, College of Medicine, Dankook University, Cheonan, Korea.
The incidence of the distal anterior cerebral artery(DACA) aneurysm comprises about 2-6% of all intracerebral aneurysms. Because of the low incidence, unique anatomies of the distal anterior cerebral arteries and some technical difficulties in surgery, these aneurysms present such challenge to neurosurgeons. Presently, early surgery using interhemispheric approach is preferred. The auhtors experienced six patients with DACA aneurysms in 130 consecutive intracerebral aneurysms surgically treated between May. 1994 and Dec. 1997. The patients received operations within five days from the ictus, except one patient because of symptomatic vasospasm. The surgical approaches were all unilateral interhemispheric approaches. During the operations, infusion of large amount of mannitol and CSF volume removal were applied, although there were few difficulties in the interhemispheric dissections, the outcomes of the patients were excellent in three, good in three. The authors suggest that early operative interventions using unilateral interhemispheric approach without generous craniotomy can improve the outcomes of the patients with ruptured DACA aneurysm.
Key Words: Distal anterior cerebral artery aneurysm; Unilateral interhemispheric-approach; Early surgery; Microsurgical anatomies
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