Document Detail

The prevalence of os acromiale: A systematic review and meta-analysis.
MedLine Citation:
PMID:  24302513     Owner:  NLM     Status:  Publisher    
Os acromiale (OA) results from a failure of consolidation between the ossification centers of the acromial epiphysis. Its prevalence and its interactions with ancestry, gender, laterality, and side have been variously reported in the literature. The aims of this review are to provide an accurate estimate of OA prevalence and to investigate its association with other variables in an attempt to comprehend its etiology. Twenty-three studies met the inclusion criteria. The results of meta-analyses of large-sample studies revealed: (a) a crude overall prevalence of 7.0%, (b) a crude cadaveric prevalence of 7.6%, (c) a crude archeological (skeletal) prevalence of 5.6%, (d) a crude radiological prevalence of 4.2%, (e) a true anatomical prevalence of 9.6%, (f) a significantly higher frequency in persons of black ancestry than in persons of white, Native American and Middle Eastern ancestries (OR ≈ 3), (g) significantly higher unilateral and bilateral frequencies in black ancestry (OR of 2 and 4, respectively), (h) nonsignificant interactions of OA frequency with gender and side. The commonest type of OA was the meso-acromion type (76.6%). Degenerative changes were present in 66.6% of OAs. The results of this evidence-based anatomical review support a genetic basis for OA rather than the mechanical trauma-induction hypothesis. Clin. Anat., 2013. © 2013 Wiley Periodicals, Inc.
Kaissar Yammine
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-12-2
Journal Detail:
Title:  Clinical anatomy (New York, N.Y.)     Volume:  -     ISSN:  1098-2353     ISO Abbreviation:  Clin Anat     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8809128     Medline TA:  Clin Anat     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Wiley Periodicals, Inc.
Orthopedic Department, The Foot and Hand Clinic and the Center for Evidence-Based Sport & Orthopedic research, Emirates Hospital, Dubai, UAE.
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