4.5 Article

Factors influencing the treatment of osteoporosis following fragility fracture

Journal

OSTEOPOROSIS INTERNATIONAL
Volume 20, Issue 11, Pages 1911-1919

Publisher

SPRINGER LONDON LTD
DOI: 10.1007/s00198-009-0898-x

Keywords

Care gap; Determinants; Fragility fracture; Osteoporosis; Treatment predictors

Funding

  1. Merck Frosst Canada
  2. Procter
  3. Gamble Pharmaceuticals
  4. Sanofi-Aventis Group
  5. Eli Lilly Canada
  6. Novartis Pharmaceuticals Canada

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Treatment rates of osteoporosis after fracture are very low. Women who suffer a fragility fracture have a greater chance of receiving anti-fracture treatment if they had low bone mineral density (BMD), a fracture at the hip, femur or pelvis, administration of calcium and vitamin D supplements and/or an age a parts per thousand yen60 years. This investigation identifies the predictors of osteoporosis treatment 6 to 8 months following fragility fracture in women > 50 years of age. In this prospective cohort study, women were recruited 0 to 16 weeks following fracture and classified as having experienced fragility or traumatic fractures (phase 1). Six to 8 months following fracture, women completed a questionnaire on demographic features, clinical characteristics and risk factors for osteoporosis (phase 2). Osteoporosis treatment was defined as initiating anti-fracture therapy (bisphosphonate, raloxifene, nasal calcitonin and teriparatide) after fracture in those previously untreated. Of the 1,273 women completing phase 1, 1,001 (79%) sustained a fragility fracture, and of these women, 738 were untreated for osteoporosis at phase 1 and completed the phase 2 questionnaire. Significant predictors of treatment included BMD result, fracture site, administration of calcium and vitamin D supplements at the time of fracture and age a parts per thousand yen60 years. All other risk factors for osteoporosis, such as fracture history after the age of 40 years, family history of osteoporosis and comorbidities did not significantly influence the treatment rate. Physicians largely based their decision to treat on BMD results and not on the clinical event-fragility fracture.

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