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Prevalence of Osteoporosis in Osteoarthritic Patients Undergoing Total Hip or Total Knee Arthroplasty

Published:November 03, 2008DOI:https://doi.org/10.1016/j.apmr.2008.06.007

      Abstract

      Labuda A, Papaioannou A, Pritchard J, Kennedy C, DeBeer J, Adachi JD. Prevalence of osteoporosis in osteoarthritic patients undergoing total hip or total knee arthroplasty.

      Objective

      To determine the prevalence of osteoporosis in osteoarthritic patients undergoing total hip or total knee arthroplasty.

      Design

      Cross-sectional study.

      Setting

      The Specialized Outpatient Rehabilitation Service's (SORS) Pre-surgical Arthroplasty Service located at the Chedoke Hospital, Hamilton Health Sciences, Hamilton, ON, Canada.

      Participants

      SORS outpatients (N=364), from the period of March 2006 to March 2007.

      Interventions

      Not applicable.

      Main Outcome Measures

      Prevalence of osteoporosis was determined by review of a self-reported survey, and defined by (1) self-reported diagnosis of osteoporosis, (2) history of fragility fracture (defined by a bone fracture occuring as a result of a fall from standing height or less after the age of 50), or (3) current treatment for osteoporosis using bisphosphonates.

      Results

      Of the study cohort, 26% were classified as having osteoporosis, according to our criteria. Of the patients with self-reported osteoporosis or a history of fragility fractures, only 37% and 17% reported current treatment with bisphosphonates, respectively.

      Conclusions

      Osteoporosis is common in the osteoarthritic arthroplasty population, with a prevalence at least equal to that in the general population. Due to the self-reported nature of the study, the prevalence of osteoporosis in this population is likely significantly higher. Results from this study indicate need for further research, specifically in formal assessment for osteoporosis in patients undergoing a joint replacement.

      Key Words

      List of Abbreviations:

      BMD (bone mineral density), CaMos (Canadian Multicentre Osteoporosis Study), OA (osteoarthritis)
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