Document Detail


Hemifacial spasm: endoscopic vascular decompression.
MedLine Citation:
PMID:  9339788     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Sixty patients with primitive hemifacial spasm were treated by means of a minimally invasive retrosigmoid approach in which endoscopic and microsurgical procedures were combined. Intraoperative endoscopic examination of the cerebellopontine angle showed that for 56 of the patients vessel-nerve conflict was the cause of hemifacial spasm. The most common offending vessel was the posterior inferior cerebellar artery (39 patients), next was the vertebral artery (23 patients), and last was the anterior inferior cerebellar artery (16 patients). Nineteen of the patients had multiple offending vascular loops. In one patient, another cause of hemifacial spasm was an epidermoid tumor of the cerebellopontine angle. For three patients, it was not possible to determine the exact cause of the facial disorder. Follow-up information was reviewed for 54 of 60 patients; the mean follow-up period was 14 months. Fifty of the patients were in the vessel-nerve conflict group. Forty of the 50 were free of symptoms, and four had marked improvement. The overall success rate was 88%, and there was minimal morbidity (no facial palsy, two cases of severe hearing loss).
Authors:
J Magnan; F Caces; P Locatelli; A Chays
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery     Volume:  117     ISSN:  0194-5998     ISO Abbreviation:  Otolaryngol Head Neck Surg     Publication Date:  1997 Oct 
Date Detail:
Created Date:  1997-10-28     Completed Date:  1997-10-28     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8508176     Medline TA:  Otolaryngol Head Neck Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  308-14     Citation Subset:  IM    
Affiliation:
Department of Otorhinolaryngology-Head and Neck Surgery, Hopital Nord, Marseille, France.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Cerebellopontine Angle / blood supply*,  pathology,  surgery*
Decompression, Surgical* / methods
Endoscopy
Facial Nerve / pathology
Female
Hemifacial Spasm / etiology*,  pathology,  surgery*
Humans
Magnetic Resonance Angiography
Magnetic Resonance Imaging
Male
Middle Aged
Surgical Procedures, Minimally Invasive
Vertebral Artery / pathology
Vestibulocochlear Nerve / pathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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