J Korean Neurosurg Soc.
2002 Sep;32(3):217-221.
Upper Basilar Artery Aneurysm Surgery via Transclinoidal Approach
- Affiliations
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- 1Department of Neurosurgery, College of Medicine, Chosun University, Gwangju, Korea.
- 2Department of Neurosurgery, Mokpo Christian Hospital, Mokpo, Korea.
Abstract
OBJECTIVE
The authors present the results of management outcomes for upper basilar artery aneurysms via transclinoidal approach.
METHODS
Clinical and angiographic evaluations were performed in twenty two consecutive patients with upper basilar artery aneurysms(three of them had superior cerebellar artery aneurysms) treated by surgery via transclinoidal approach between January, 1990 and April, 2000.
RESULTS
Of the 22 patients, fifteen patients had multiple aneurysms including basilar bifurcation aneurysms and basilar-superior cerebellar aneurysms. Seventy seven percent were in good preoperative neurological status(H-H grade I-III), 23% were in poor grade(H-H grade IV). The management outcome was:Glasgow outcome scale(GOS) I 54.5%, GOS II 18%, GOS III 13.6%, GOS IV 4.5% and GOS V(death) 9%. The major causes of morbidity were direct brain damage, perforator occlusion, vasospasm and meningitis.
CONCLUSION
The management outcome of upper basilar artery aneurysms treated via clinoidectomy was good(72.5%). Transclinoidal approach is an acceptable alternative for upper basilar artery aneurysms.
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