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FOLLOW-UP STUDY OF THE "MOYAMOYA" Yoshii, Y. 1 1Department of Neurological Surgery, School of Medicine, The University of Tsukuba pp.421-424
Published Date 1977/4/1
DOI https://doi.org/10.11477/mf.1406204056
  • Abstract
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The purpose of this paper is to report the result of clinical follow up studies of 24 cases of "Moya-moya" with the onset below the age of 13. Sex ratio is 1:4 (5 males and 19 females). Age at onset 2 below age 1, the oldest was 12 years and 2 months, the average age at onset was 4 years and 11 months. The average period of observation was 5 years and 9 months. Most cases were followed for more than 4 years.

Clinical course were divided into 4 different thpes; Type TIA, TIA-APO which has transient ischemic attacks followed by residual neurological deficit, Type APO and miscellaneous type. Angiographic findings were classified into 3 types, AG-Type Ⅰ: occlusion limitted to the anterior half of the circle of Willis; AG type Ⅱ; occlusion extending beyond the posterior part of the circle of Willis, and AG type Ⅲ: occlusion extending up to the proxymal portion of the posterior cerebral artery.

Many factors which might be influencing the prognosis of mental and physiological function were investigated and analysed. The following factor were noted to influence the prognosis: early onset, TIA-APO type clinically, symptoms suggesting bilateral or dominant hemispheric lesions, and an-giographycally widespread occlusion (AG type Ⅲ).

Furthermore, radioisotopic procedures could be replace angiography for follow up studies of patients with "Moyamoya".


Copyright © 1977, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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