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Primary total knee replacement in patients with mental disability improves their mental health and knee function: A prospective study.
MedLine Citation:
PMID:  23450021     Owner:  NLM     Status:  In-Data-Review    
We assessed the effect of mental disability on the outcome of total knee replacement (TKR) and investigated whether mental health improves post-operatively. Outcome data were prospectively recorded over a three-year period for 962 patients undergoing primary TKR for osteoarthritis. Pre-operative and one year Short-Form (SF)-12 scores and Oxford knee scores (OKS) were obtained. The mental component of the SF-12 was stratified into four groups according to level of mental disability (none ≥ 50, mild 40 to 49, moderate 30 to 39, severe < 30). Patients with any degree of mental disability had a significantly greater subjective physical disability according to the SF-12 (p = 0.06) and OKS (p < 0.001). The improvement in the disease-specific score (OKS) was not affected by a patient's mental health (p = 0.33). In contrast, patients with mental disability had less of an improvement in their global physical health (SF-12) (p < 0.001). However, patients with any degree of mental disability had a significant improvement in their mental health post-operatively (p < 0.001). Despite a similar improvement in their disease-specific scores and improvement in their mental health, patients with mental disability were significantly more likely to be dissatisfied with their TKR at one year (p = 0.001). Patients with poor mental health do benefit from improvements in their mental health and knee function after TKR, but also have a higher rate of dissatisfaction. Cite this article: Bone Joint J 2013;95-B:360-6.
N D Clement; D Macdonald; R Burnett
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The bone & joint journal     Volume:  95-B     ISSN:  2049-4408     ISO Abbreviation:  Bone Joint J     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-03-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101599229     Medline TA:  Bone Joint J     Country:  England    
Other Details:
Languages:  eng     Pagination:  360-6     Citation Subset:  AIM; IM    
University of Edinburgh, Department of Orthopaedics, The Royal Infirmary of Edinburgh, Little France, Old Dalkeith Road, Edinburgh EH16 4SU, UK.
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