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Perioperative Management and Complications of Moyamoya Disease Shinsuke MURAOKA 1 , Ryuta SAITO 1 1Department of Neurosurgery, Nagoya University Graduate School of Medicine Keyword: もやもや病 , 過灌流症候群 , watershed shift , moyamoya disease , hyperperfusion syndrome pp.530-536
Published Date 2025/5/10
DOI https://doi.org/10.11477/mf.030126030530030530
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 Moyamoya disease is a chronic cerebrovascular disorder characterized by progressive stenosis or occlusion of the terminal portion of the internal carotid artery around the circle of Willis, thereby forming fragile collateral vessels(moyamoya vessels). Although ischemic symptoms predominate in pediatric cases, adult cases often involve ischemic and hemorrhagic events. Surgical revascularization effectively improves long-term outcomes; however, perioperative complications, such as ischemic events, hyperperfusion syndrome, and hemorrhagic complications, remain challenging.

 Perioperative management aims to minimize the risk of ischemia and hemorrhage by stabilizing blood pressure, maintaining fluid and electrolyte balance, and implementing optimal ventilation strategies. Intraoperative management aims to prevent ischemic events by ensuring careful hemodynamic and respiratory monitoring and maintaining adequate cerebral perfusion during bypass procedures. Postoperative care emphasizes the early detection and management of hyperperfusion syndrome using imaging modalities, such as PET and SPECT, together with tailored blood pressure control and pharmacological interventions.

 Meta-analyses and systematic reviews have underscored the importance of selecting the appropriate surgical technique(direct, indirect, or combined bypass) to minimize complications. Although combined bypass techniques may offer long-term outcomes, particularly in pediatric patients, individualized management strategies are essential to address the complex perioperative risks associated with moyamoya disease. Further research is needed to refine surgical approaches and optimize patient outcomes.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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