No association between osteoporosis and AO classification of distal radius fractures: an observational study of 289 pati
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(2020) 21:811
RESEARCH ARTICLE
Open Access
No association between osteoporosis and AO classification of distal radius fractures: an observational study of 289 patients Anja M. Hjelle1,2,3* , Jan-Erik Gjertsen4,5, Ellen M. Apalset6,3, Roy M. Nilsen7, Anja Lober2, Grethe S. Tell3 and Pawel Mielnik1
Abstract Background: It is mechanically plausible that osteoporosis leads to more severe peripheral fractures, but studies investigating associations between BMD and radiographically verified complexity of distal radius fractures are scarce. This study aims to study the association between osteoporosis, as well as other risk factors for fracture, and the AO classification of distal radius fractures. Methods: In this observational study, 289 consecutive patients aged ≥40 years with a distal radius fracture were included. Bone mineral density (BMD) of the hips and spine was measured by dual-energy x-ray absorptiometry (DXA), and comorbidities, medication, physical activity, smoking habits, body mass index (BMI), and history of previous fracture were registered. The distal radius fractures were classified according to the Müller AO system (AO) (type B and C regarded as most complex). Results: Patients with osteoporosis (n = 130) did not have increased odds of a more complex distal radius fracture (type B + C, n = 192)) (n = vs type A (n = 92) (OR 1.1 [95% CI 0.5 to 2.3]) compared to those with osteopenia /normal BMD (n = 159). Patients with AO fracture types A or C had a higher prevalence of osteoporosis than patients with type B fracture. Conclusions: Distal radius fracture patients with osteoporosis did not sustain more complex fractures than those with osteopenia/normal BMD according to the AO classification system. The AO classification of distal radius fracture cannot be used to decide which patients should be referred to DXA scan and considered for secondary fracture prevention. Keywords: Osteoporosis, Dual energy x-ray absorptiometry, Distal radius fracture, AO classification
* Correspondence: [email protected] 1 Department of Rheumatology, Division of Medicine, District General Hospital of Førde, Førde, Norway 2 Department of Radiology, District General Hospital of Førde, PO Box 1000, 6807 Førde, Norway Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obt
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