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Neuropsychological impacts of indirect revascularization for pediatric moyamoya disease

Authors
 WooHyun Kim  ;  Eun-Young Lee  ;  Seong-eun Park  ;  Eun-Kyung Park  ;  Ju-Seong Kim  ;  Dong-Seok Kim  ;  Kyu-Won Shim 
Citation
 CHILDS NERVOUS SYSTEM, Vol.34(6) : 1199-1206, 2018 
Journal Title
 CHILDS NERVOUS SYSTEM 
ISSN
 0256-7040 
Issue Date
2018
Keywords
Cognitive impairment ; Encephaloduroarteriosynangiosis ; Moyamoya disease ; Neuropsychologic evaluation
Abstract
PURPOSE: Moyamoya disease (MMD) commonly leads to neurocognitive impairment. This study was carried out to show that temporal encephaloduroarteriosynangiosis (EDAS) has a positive neuropsychological impact on pediatric MMD patients. METHODS: Fifty-five participants diagnosed with MMD from 2008 to 2014 were included in this retrospective study. The mean age at the preoperative evaluation was 9.5 years and the mean age at postoperative evaluation was 10.4. The average interval of initial and follow-up test was 10 months. K-WISC-III, Rey-Kim memory test, Children's Color Trails test (CCTT), Wisconsin Card Sorting Test (WCST), and Advanced Test of Attention (ATA) were used to evaluate patient's neurocognitive profile. RESULTS: In this study, preoperative and postoperative neuropsychological fields were compared. Prior operation, pediatric MMD patients showed 54.2% deficit of inattention but only around 2.5% deficit in verbal memory recall function. There was a significant increase of performance IQ and PO score component of PIQ improved almost 10 scores after surgery. For memorial function, there was an improvement of approximately 10 scores in MQ after the surgery. This study also showed parietal activation following surgical treatment which enhanced the ability to interpret visual materials, to register and to retrieve visual information. Interestingly, despite the parietal cover surgery, there was a significant improvement of performance on WCST and CCTT measuring the prefrontal executive function. Concerning failure to maintain set, no significant postoperative improvements were made. However, simple and selective visual attention on ATA was significantly improved postoperatively. CONCLUSIONS: The results from neuropsychological field comparison testifies the effectiveness of temporal EDAS in pediatric MMD patients. The surgery not only enhances the blood flow in operative regions, but it also improves the broad cerebral function including frontoparietal domains. Such alteration leads to overall advancement in cognitive function which are impaired due to MMD.
Full Text
https://link.springer.com/article/10.1007%2Fs00381-018-3804-z
DOI
10.1007/s00381-018-3804-z
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Seok(김동석)
Kim, Ju Seong(김주성)
Park, Eun Kyung(박은경)
Shim, Kyu Won(심규원) ORCID logo https://orcid.org/0000-0002-9441-7354
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/165052
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