Document Detail

Clinically important body weight gain following knee arthroplasty: A five-year comparative cohort study.
MedLine Citation:
PMID:  23203539     Owner:  NLM     Status:  Publisher    
OBJECTIVE: The impact of knee arthroplasty on bodyweight has not been fully explored. Clinically important weight gain following knee arthroplasty would pose potentially important health risks. METHODS: We used one of the largest US-based knee arthroplasty registries and a population- based control sample from the same geographic region to determine whether knee arthroplasty increases risk of clinically important weight gain of 5% or more of baseline body weight over a 5-year postoperative period. RESULTS: Of the persons in the knee arthroplasty sample, 30.0% gained 5% or more of baseline body weight five years following surgery as compared to 19.7% of the control sample. The multivariable adjusted (age, sex, BMI, education, comorbidity and pre-surgical weight change) odds ratio was 1.6 (95% CI, 1.2, 2.2) in persons with knee arthroplasty as compared to the control sample. Additional arthroplasty procedures during follow-up further increased risk for weight gain (OR=2.1, 95% CI, 1.4, 3.1) relative to the control sample. Specifically among patients with knee arthroplasty, younger patients and those who lost greater amounts of weight in the 5-year pre-operative period were at greater risk for clinically important weight gain. CONCLUSIONS: Patients who undergo knee arthroplasty are at increased risk of clinically important weight gain following surgery. The findings potentially have broad implications to multiple members of the healthcare team. Future research should develop weight loss/maintenance interventions particularly for younger patients who have lost a substantial amount of weight prior to surgery as they are most at risk for substantial postsurgical weight gain. © 2012 by the American College of Rheumatology.
Daniel L Riddle; Jasvinder A Singh; William S Harmsen; Cathy D Schleck; David G Lewallen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-30
Journal Detail:
Title:  Arthritis care & research     Volume:  -     ISSN:  2151-4658     ISO Abbreviation:  Arthritis Care Res (Hoboken)     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101518086     Medline TA:  Arthritis Care Res (Hoboken)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 by the American College of Rheumatology.
Virginia Commonwealth University, Departments of Physical Therapy and Orthopaedic Surgery, PO Box 980224, Richmond, Virginia, 23298-0224.
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