Document Detail


Is abnormal vestibulomotor responses related to idiopathic scoliosis onset or severity?
MedLine Citation:
PMID:  23265357     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Results from several studies have suggested that brainstem dysfunction occurs more often in adolescent with idiopathic scoliosis compared to healthy individuals. The vestibular nuclei occupy a prominent position in the brainstem. Because the lateral vestibulospinal tract controls axial muscles, alteration in the brainstem during body growth (i.e., preadolescent and adolescent period) may translate in abnormal trunk activation and thus cause permanent spinal deformities. We conceive that vestibular dysfunction may be observed only in AIS patients with severe spine deviation. Consequently, adolescent with severe idiopathic scoliosis (AIS) would exhibit abnormal vestibulomotor responses compared to healthy age-matched individuals and AIS patients with mild spine deformation. If this hypothesis is confirmed, it will suggest that abnormal vestibulomotor response may contribute to curve progression. On the other hand, if AIS patients with mild severity also show abnormal vestibulomotor response, it will indicate that impaired vestibulomotor may be related to scoliosis onset but is not necessarily related to curve progression. It is expected, however, that regardless of curve severity, not all patients would have abnormal vestibulomotor responses. For instance, in some cases, gene defects may lead to malformation of the semicircular canals or alteration of the vestibular cortical network and cause scoliosis or curve progression.
Authors:
Jean-Philippe Pialasse; Simon Laurendeau; Martin Descarreaux; Jean Blouin; Martin Simoneau
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-19
Journal Detail:
Title:  Medical hypotheses     Volume:  -     ISSN:  1532-2777     ISO Abbreviation:  Med. Hypotheses     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505668     Medline TA:  Med Hypotheses     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Faculté de Médecine, Département de Kinésiologie, Université Laval, Québec, Canada.
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