title: [Recognition and management of hidden related vessel during the operation of microvascular decompression for hemifacial spasm].
abstract: OBJECTIVE
  To investigate the recognition and approach of the hidden related vascular in hemifacial spasm patients during the operation of microvascular decompression.
  
  
  METHODS
  The clinical records of 85 patients of hemifacial spasm were analyzed at our hospital. The hidden related vessel was found in 7 patients. REZ (root entry zone) was surrounded by Teflon cotton slice to separate the vessel from REZ.
  
  
  RESULTS
  There were 7 patients of hidden related vessel in 85 patients. And the related vessels were anteroinferior cerebellar artery and its branches. The symptoms became totally relieved after operation and there was no recurrence.
  
  
  CONCLUSIONS
  The microvascular decompression is an effectively treatment for hemifacial spasm patients. Searching for the related vessel (particularly hidden related vessel) is the most important part of the operation. An effective decompression of REZ is the key point of operation.
authors.affiliation: Department of Neurosurgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao 266071, China.
authors.forename: Guo-Qing
authors.initials: GQ
authors.lastname: Wu
authors.forename: Guo-Hong
authors.initials: GH
authors.lastname: Wu
authors.forename: Lei
authors.initials: L
authors.lastname: Wang
authors.forename: Wei-Ning
authors.initials: WN
authors.lastname: Yin
authors.forename: Yu-Guang
authors.initials: YG
authors.lastname: Liu
mesh_terms: D000328:Adult; D002196:Capillaries / Q000601:surgery*; D019299:Decompression, Surgical / Q000379:methods*; D005260:Female; D019569:Hemifacial Spasm / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies