Document Detail

Management of congenital atlanto-axial dislocation: some lessons learnt.
MedLine Citation:
PMID:  12577085     Owner:  NLM     Status:  MEDLINE    
Congenital atlantoaxial dislocation (AAD) has a high incidence in India. In these patients, even a minor trauma may precipitate severe morbidity. The management of mobile AAD consists of posterior stabilization. In fixed AAD, the offending compressive element is present anterior to the cervicomedullary junction, which should be generously removed by the transoral approach. In many of these patients, the assimilated posterior arch of atlas or the incurving posterior margin of the foramen magnum or associated Chiari I malformation also adds to the compromise of the canal diameter at the foramen magnum. Thus, in cases of fixed AAD, the hour glass appearance of the spinal canal at the craniovertebral junction should be converted into a funnel shaped appearance which is close to normal. Since these procedures require a generous removal of the osteoligamentous structures, posterior fusion should be done in all cases after decompressive surgery. In this review, the observations that emerged during the management of congenital AAD are presented with a special focus on the assessment scales modified to the Indian settings, hypermobile AAD, rotary C1-2 dislocation, and AAD associated with Chiari I malformation and syringomyelia.
V K Jain; S Behari
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Neurology India     Volume:  50     ISSN:  0028-3886     ISO Abbreviation:  Neurol India     Publication Date:  2002 Dec 
Date Detail:
Created Date:  2003-02-10     Completed Date:  2003-03-26     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0042005     Medline TA:  Neurol India     Country:  India    
Other Details:
Languages:  eng     Pagination:  386-97     Citation Subset:  IM    
Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
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MeSH Terms
Atlanto-Axial Joint*
Decompression, Surgical
Dislocations / congenital*,  radiography,  surgery*
Preoperative Care

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