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의과대학
의학과
Journal papers
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Steal phenomenon through the anterior communicating artery in Moyamoya disease
Title
Steal phenomenon through the anterior communicating artery in Moyamoya disease
Authors
Lim S.M.
;
Chae E.J.
;
Kim M.Y.
;
Kim J.K.
;
Kim S.J.
;
Choi C.G.
;
Ahn J.S.
;
Ra Y.-S.
;
Kim J.-U.
;
Hahm K.D.
;
Pyun H.W.
;
Suh D.C.
Ewha Authors
임수미
SCOPUS Author ID
임수미
Issue Date
2007
Journal Title
European Radiology
ISSN
0938-7994
Citation
European Radiology vol. 17, no. 1, pp. 61 - 66
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
Branch occlusion of the anterior cerebral artery (ACA) is regarded as a part of Moyamoya disease. The purpose of this study is to define the ACA steal phenomenon (SP) in Moyamoya disease and to evaluate temoporal changes according to the disease progression. From 139 Moyamoya patients we defined ACASP as narrowing of the ipsilateral A1-2 junction while preserving the anterior communicating artery and supplying the contralateral ACA cortical branches with the development of leptomeningeal collaterals by the ipsilateral middle cerebral artery into the hypoperfused ipsilateral ACA territory. Direction of the steal related to the stage in both hemispheres by Suzuki classification was statistically analyzed using the binomial test based on binomial distribution. Follow-ups of ACASP were evaluated in five patients. We identified ACASP in 13 (9%) patients (male:female=7:6, mean age 18 years, range: 2-58 years) of the 139 study patients. The presenting pattern was ischemic in 12 and hemorrhagic in one. The direction of SP occurred from the hemisphere in the lower to the higher stage of Suzuki classification (two-tail P value=0.0002). After revascularization surgery, ACASP disappeared or diminished. ACASP may occur in bilaterally different stages of Moyamoya disease as a transient self-adaptive process. It regresses after revascularization surgery. © Springer-Verlag 2006.
DOI
10.1007/s00330-006-0239-9
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