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Femoral Version of the General Population: Does "Normal" Vary by Gender or Ethnicity?
MedLine Citation:
PMID:  23032191     Owner:  NLM     Status:  Publisher    
OBJECTIVE:: The purpose of this study was to compare various gender and ethnic groups to characterize differences in baseline version and rates of retroversion. DESIGN:: Retrospective SETTING:: Level 1 trauma center PATIENTS/PARTICIPANTS:: Between 2000 and 2009, 417 consecutive patients with femur fractures were treated with an IM nail at Level I trauma and tertiary referral center. Of these, 328 with computed tomography (CT) scanogram of the normal, uninjured contralateral femur were included in this study. MAIN OUTCOME MEASUREMENTS:: Femoral version RESULTS:: The mean alignment for all patients was 8.84±9.66 degrees of anteversion. There were no statistically significant differences in mean version between African-American, Caucasian, and Hispanic patients for males or females. While there were also no significant differences in rates between ethnicities, retroversion was found to be common in Caucasian males (21.4%), African-American males (15.1%), and all groups of females (>14.3%). Furthermore, nearly 6% of both African-American males and females exhibited greater than 10 degrees retroversion. CONCLUSIONS:: While there may not be a significant difference in average femoral version between ethnic and gender groups, retroversion is relatively common, and retroversion greater than 10 degrees was observed in nearly 6% of the African-American population. This may have important implications in proper alignment restoration and successful clinical outcomes following IM nailing of femur fractures. LEVEL OF EVIDENCE:: Level III: retrospective case controlled.
John D Koerner; Neeraj M Patel; Richard S Yoon; Michael S Sirkin; Mark C Reilly; Frank A Liporace
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-24
Journal Detail:
Title:  Journal of orthopaedic trauma     Volume:  -     ISSN:  1531-2291     ISO Abbreviation:  J Orthop Trauma     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-10-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8807705     Medline TA:  J Orthop Trauma     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1Division of Orthopaedic Trauma, Department of Orthopaedic Surgery, UMDNJ - New Jersey Medical School, Newark, NJ 07101, USA 2NYU - Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY 10003, USA.
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