Document Detail

Cemented Thompson versus cemented bipolar prostheses for femoral neck fractures.
MedLine Citation:
PMID:  20808006     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To compare early functional outcomes, complications, and mortality in elderly patients treated with the less costly, cemented Thompson prosthesis or the cemented bipolar prosthesis in order to identify factors affecting outcomes.
METHODS: Records of 303 patients with femoral neck fractures treated with the cemented Thompson monoblock prosthesis (n=206) or the cemented bipolar prosthesis (n=97) were reviewed. The choice of prosthesis was solely determined by surgeon's preference. Data relating to patient demographics, clinical and residential status, mobility, mental function, mortality, and complications during hospitalisation and rehabilitation were collected.
RESULTS: After adjusting for confounding variables, independent postoperative indoor mobility was associated with preoperative indoor mobility (p=0.002) and mental function (p=0.001), whereas postoperative outdoor mobility was associated with preoperative outdoor mobility (p=0.003), daily living activity (p=0.02), and mental function (p=0.02). Mortality within 6 months was only associated with poor mental function (p=0.009). At 6-month follow-up, there was no significant difference between the 2 types of prosthesis in terms of functional outcomes, mortality and complication rates.
CONCLUSION: In elderly patients with limited mobility, treatment with the bipolar prosthesis was not associated with better short-term outcomes than those receiving the Thompson prosthesis.
Stefan Bauer; Patrick Isenegger; Oliver P Gautschi; Kwok M Ho; Piers J Yates; Rene Zellweger
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of orthopaedic surgery (Hong Kong)     Volume:  18     ISSN:  1022-5536     ISO Abbreviation:  J Orthop Surg (Hong Kong)     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-09-02     Completed Date:  2011-01-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440382     Medline TA:  J Orthop Surg (Hong Kong)     Country:  China    
Other Details:
Languages:  eng     Pagination:  166-71     Citation Subset:  IM    
Department of Orthopaedic and Trauma Surgery, Royal Perth Hospital, Perth, Western Australia, Australia.
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MeSH Terms
Aged, 80 and over
Bone Cements*
Femoral Neck Fractures / physiopathology,  radiography,  surgery*
Follow-Up Studies
Fracture Fixation, Internal / instrumentation*
Hip Joint / physiopathology
Hip Prosthesis*
Prosthesis Design
Range of Motion, Articular
Retrospective Studies
Time Factors
Treatment Outcome
Reg. No./Substance:
0/Bone Cements

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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