| Microvascular decompression for hemifacial spasm. Patterns of vascular compression in unsuccessfully operated patients. | |
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MedLine Citation:
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PMID: 1869939 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To determine the causative factors of unsuccessful microvascular decompression for hemifacial spasm, the follow-up results in 53 patients were assessed retrospectively. The mean follow-up period was 36 months. There were 32 patients who had compression of the seventh cranial nerve ventrocaudally by an anterior inferior cerebellar artery (AICA) or a posterior inferior cerebellar artery. Of these 32 patients, 30 (94%) had excellent postoperative results. Of 14 patients with more severe compression by the vertebral artery, nine (64%) had excellent results, three (21%) had good results, and two (14%) had poor results; in this group, three patients with excellent results experienced transient spasm recurrence. There were seven patients in whom the meatal branch of the AICA coursed between the seventh and eighth cranial nerves and compressed the dorsal aspect of the seventh nerve; this was usually associated with another artery compressing the ventral aspect of the nerve ("sandwich-type" compression). Of these seven patients, five (71%) had poor results including operative failure in one and recurrence of spasm in four. The authors conclude that the clinical outcome was closely related to the patterns of vascular compression. |
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Authors:
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S Nagahiro; A Takada; Y Matsukado; Y Ushio |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of neurosurgery Volume: 75 ISSN: 0022-3085 ISO Abbreviation: J. Neurosurg. Publication Date: 1991 Sep |
Date Detail:
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Created Date: 1991-09-13 Completed Date: 1991-09-13 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0253357 Medline TA: J Neurosurg Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 388-92 Citation Subset: AIM; IM |
Affiliation:
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Department of Neurosurgery, Kumamoto University Medical School, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Arteries / surgery Cerebellum / blood supply Facial Muscles* Facial Nerve* Female Follow-Up Studies Humans Lateral Medullary Syndrome / etiology Male Microsurgery / adverse effects, methods* Middle Aged Nerve Compression Syndromes / surgery* Reoperation Retrospective Studies Spasm / surgery* Vascular Surgical Procedures / methods Vertebral Artery / surgery |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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