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Surgical Techniques for Microvascular Decompression in Hemifacial Spasm Shusaku NORO 1 , Bunsho ASAYAMA 1 , Yuki AMANO 1 , Masahiro OKUMA 1 , Kaori HONJO 1 , Yoshinobu SEO 1 , Hirohiko NAKAMURA 1 1Department of Neurosurgery, Nakamura Memorial Hospital Keyword: 微小血管減圧術 , 片側顔面痙攣 , 手術手技 , 椎骨動脈 , 穿通枝 , microvascular decompression , hemifacial spasm , surgical techniques , vertebral artery , perforating artery pp.119-128
Published Date 2024/1/10
DOI https://doi.org/10.11477/mf.1436204887

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  • Abstract
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 This study discusses the key microvascular decompression(MVD)techniques for the treatment of hemifacial spasm(HFS). The author's experience is based on their institution's cases, highlighting three critical techniques.

 (1)Vertebral artery(VA)repositioning: Repositioning the VA is essential in challenging cases. This article focuses on the relocation of the proximal portion of the VA and the importance of careful dissection.

 (2)Relocating vessels compressing the peripheral branches of the facial nerve: HFS can result from nerve compression at various locations, including the cisternal portion. This study addressed cisternal compression and considered the nearby nerves.

 (3)Considering the perforating branches during repositioning, cases may involve complex branching of the perforating arteries. This paper describes an approach that carefully repositions the vessels without damaging the perforating branches.

 The results from 100 VA-involved cases showed excellent outcomes, with 91.2% of patients experiencing T0(excellent)results. This study emphasized the need to adapt the surgical approach to each unique case to ensure the safety and effectiveness of MVD.

 This study provides insights into the critical MVD techniques for HFS, emphasizing the importance of continuous experience and knowledge accumulation. These techniques can be learned by other neurosurgeons, thereby expanding the availability of safe and successful MVD procedures for HFS.


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

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