| An experimental model of adult-onset slip progression in isthmic spondylolistesis. | |
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MedLine Citation:
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PMID: 15457748 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Progressive spondylolisthesis may occur in adults with isthmic spondylolysis with an estimated incidence of 20%. This biomechanical study showed that in adult spines with bilateral L5 pars fractures, an anterior slip of L5 depends on the extent of the load-bearing deficiency of the disc and the presence of shear force across L5-S1. A combination of disc degeneration and muscle dysfunction may be responsible for converting a stable isthmic spondylolysis into an unstable progressive spondylolisthesis. |
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Authors:
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Avinash Patwardhan; Alexander Ghanayem; James Simonds; Scott Hodges; Leonard Voronov; Odysseas Paxinos; Robert Havey |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Studies in health technology and informatics Volume: 91 ISSN: 0926-9630 ISO Abbreviation: Stud Health Technol Inform Publication Date: 2002 |
Date Detail:
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Created Date: 2004-10-01 Completed Date: 2005-01-07 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9214582 Medline TA: Stud Health Technol Inform Country: Netherlands |
Other Details:
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Languages: eng Pagination: 322-4 Citation Subset: T |
Affiliation:
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Loyola University Chicago, Maywood, Illinois, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Compressive Strength / physiology Disease Progression Functional Laterality / physiology Humans Intervertebral Disk / physiopathology Lumbar Vertebrae / physiopathology* Risk Factors Sacrum / physiopathology Shear Strength Spinal Fractures / physiopathology Spondylolisthesis / physiopathology* Weight-Bearing / physiology |
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