Use of Distal Tibial Cortical Bone Thickness and FRAX Score for Further Treatment Planning in Patients with Trimalleolar Ankle Fractures.

Pflüger, Patrick; Harder, Felix N; Müller, Karoline; Willinger, Lukas; Biberthaler, Peter; Crönlein, Moritz

doi:10.3390/jcm12113666

2023

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Titel:: Use of Distal Tibial Cortical Bone Thickness and FRAX Score for Further Treatment Planning in Patients with Trimalleolar Ankle Fractures.
Dokumenttyp:: Article; Journal Article
Autor(en):: Pflüger, Patrick; Harder, Felix N; Müller, Karoline; Willinger, Lukas; Biberthaler, Peter; Crönlein, Moritz
Abstract:: UNLABELLED: Trimalleolar ankle fractures show a bimodal age distribution, affecting younger men and older women. Postmenopausal women often exhibit low bone mineral density, which contributes to a higher prevalence of osteoporotic-related fractures. The primary goal of this study was to analyse the association of patient characteristics with the cortical bone thickness of the distal tibia (CBTT) in trimalleolar ankle fractures. METHODS: A total of 193 patients with a trimalleolar ankle fracture treated between 2011 and 2020 were included. Patient registries were reviewed regarding demographics, mechanism, and type of injury. The CBTT was assessed in radiographs and CT images. The FRAX score was calculated to estimate the probability for an osteoporotic fracture. A multivariable regression model was calculated to identify independent variables affecting the cortical bone thickness of the distal tibia. RESULTS: Patients older than 55 years were 4.22 (95% CI: 2.12; 8.38) times more likely to be female. In the multivariable regression analysis, female sex (β -0.508, 95% CI: -0.739; -0.278, p < 0.001) and a higher age (β -0.009, 95% CI: -0.149; -0.003, p = 0.002) were independent variables associated with a lower CBTT. Patients with a CBTT < 3.5 mm had a higher 10-year probability for a major osteoporotic fracture (12% vs. 7.75%; p = 0.001). CONCLUSIONS: The assessment of the peripheral bone quality in routine computed tomography demonstrated that higher age and female sex are significantly associated with reduced cortical bone thickness of the distal tibia. Patients with a lower CBTT showed a higher probability for a subsequent osteoporotic fracture. In female patients with reduced distal tibial bone quality and associated risk factors, an osteoporosis assessment should be evaluated.
Zeitschriftentitel:: J Clin Med
Jahr:: 2023
Band / Volume:: 12
Heft / Issue:: 11
Volltext / DOI:: doi:10.3390/jcm12113666
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/37297861
TUM Einrichtung:: Institut für Diagnostische und Interventionelle Radiologie (Prof. Makowski); Klinik und Poliklinik für Orthopädie und Sportorthopädie (Prof. von Eisenhart-Rothe); Klinik und Poliklinik für Unfallchirurgie (Prof. Biberthaler)
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