Document Detail

Does obesity influence clinical outcome at nine years following total knee replacement?
MedLine Citation:
PMID:  23015559     Owner:  NLM     Status:  In-Data-Review    
A total of 445 consecutive primary total knee replacements (TKRs) were followed up prospectively at six and 18 months and three, six and nine years. Patients were divided into two groups: non-obese (body mass index (BMI) < 30 kg/m(2)) and obese (BMI ≥ 30 kg/m(2)). The obese group was subdivided into mildly obese (BMI 30 to 35 kg/m(2)) and highly obese (BMI ≥ 35 kg/m(2)) in order to determine the effects of increasing obesity on outcome. The clinical data analysed included the Knee Society score, peri-operative complications and implant survival. There was no difference in the overall complication rates or implant survival between the two groups. Obesity appears to have a small but significant adverse effect on clinical outcome, with highly obese patients showing lower function scores than non-obese patients. However, significant improvements in outcome are sustained in all groups nine years after TKR. Given the substantial, sustainable relief of symptoms after TKR and the low peri-operative complication and revision rates in these two groups, we have found no reason to limit access to TKR in obese patients.
R A Collins; P J Walmsley; A K Amin; I J Brenkel; R A E Clayton
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  94     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  1351-5     Citation Subset:  AIM; IM    
University of Edinburgh College of Medicine & Veterinary Medicine, Chancellor's Building, Little France, Edinburgh, EH14 6SA, UK.
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