Document Detail

Clinical features of aneurysms of the posterior cerebral artery: a 15-year experience with 21 cases.
MedLine Citation:
PMID:  15792504     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To investigate the characteristic clinical behavior and develop guidelines for the clinical management of posterior cerebral artery aneurysms, we reviewed 21 cases treated during a 15-year period. METHODS: Between 1988 and 2002, we treated 21 patients (10 male, 11 female; mean age, 49.8 yr) with posterior cerebral artery aneurysms at Kumamoto University Hospital and its affiliated hospitals. Data relating to the clinical, radiological, and surgical approaches were analyzed. RESULTS: There were 20 saccular aneurysms, 6 of which were giant or large aneurysms, and 1 dissecting aneurysm. Of the 21 patients, 15 presented with subarachnoid hemorrhage; in 3 patients, an unruptured saccular aneurysm was found incidentally during an evaluation for other cerebral pathological conditions. Two patients presented with progressive homonymous hemianopsia because of the mass effect of the aneurysm, and 1 patient experienced the sudden onset of homonymous hemianopsia because of thrombosis of the aneurysm and afferent artery. Open or endovascular surgery was performed in 19 patients: 14 made a good recovery, 2 had a moderate disability because of angiospasm or infarction after aneurysm trapping, 1 had a severe disability because of angiospasm and cerebral contusion, and 2 died because of severe angiospasm. Of 2 conservatively treated patients, 1 made a good recovery but the other died as a result of rebleeding. CONCLUSION: Posterior cerebral artery aneurysms have specific clinical characteristics compared with aneurysms located elsewhere. The aneurysmal site and size and the surgical technique did not significantly influence treatment outcomes.
Jun-ichiro Hamada; Motohiro Morioka; Shigetoshi Yano; Tatemi Todaka; Yutaka Kai; Jun-ichi Kuratsu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurosurgery     Volume:  56     ISSN:  1524-4040     ISO Abbreviation:  Neurosurgery     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-03-28     Completed Date:  2006-05-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802914     Medline TA:  Neurosurgery     Country:  United States    
Other Details:
Languages:  eng     Pagination:  662-70; discussion 662-70     Citation Subset:  IM    
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
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MeSH Terms
Disabled Persons
Intracranial Aneurysm / classification,  pathology,  physiopathology*,  surgery*
Middle Aged
Neurosurgical Procedures / adverse effects,  methods
Posterior Cerebral Artery* / surgery
Retrospective Studies
Treatment Outcome

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