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SAT0455RADIOFREQUENCYECHOGRAPHIC MULTISPECTROMETRY (REMS)FOR THEIDENTIFICATION OFFRAIL BONES Giovanni AdamiG. ArioliGerolamo Bianchi2020 год

SAT0455 RADIOFREQUENCY ECHOGRAPHIC MULTI SPECTROMETRY (REMS) FOR THE IDENTIFICATION OF FRAIL BONES
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Аннотация: Background: Radiofrequency Echographic Multi Spectrometry (REMS) is the first clinically available approach for direct non-ionizing measurement of bone mineral density (BMD) at lumbar spine (LS) and femoral neck (FN). Available scientific evidences describe BMD estimated by REMS as an accurate parameter for the diagnosis of osteoporosis [1]. Objectives: To investigate the effectiveness of the T-score values provided by REMS scans at FN and LS in the identification of frail patients at risk for osteoporotic fractures and to compare the performance of REMS with the dual-energy X-ray absorptiometry (DXA) one. Methods: The patients underwent DXA and REMS scans at FN and at LS. Five clusters of fractures occurred during a median 3.5-year follow-up were identified whether involving the upper limb (forearm, elbow, humerus, wrist, hand), lower limb (tibia, ankle, metatarsus), thorax (shoulder blade, shoulder, rib), hip (femur or pelvis bones), or vertebrae. The ability of REMS and DXA T-score values to assess the incidence and site of fractures was evaluated through an analysis of covariance. Results: Seven hundred twenty-one Caucasian women were enrolled. Ninety-five fractures occurred, in particular 41 at upper limb, 16 at hip, 15 at thorax, 14 at lower limb, 9 at vertebrae. Patients characteristics are reported in table. Considering subcategories of fractured patients, there were not statistically significant differences for age, height, weight and BMI. In the analysis of covariance including age and BMI as covariates, the difference of T-score values between fractured and non-fractured patients is statistically significant for REMS and DXA at both sites. Lower FN T-score values were found for patients with fractures at hip or vertebra with respect to non-fractured patients both for REMS and DXA (p<0.001). Considering LS T-score, lower values were found for patients with fractures at hip, vertebra or upper limb with respect to non-fractured patients both for REMS and DXA (p<0.001, Figure). Conclusion: REMS T-score measured at axial sites is an effective parameter for identification of patients at the risk of incident fragility fractures, in particular occurring at hip, vertebra or upper limb in a population-based sample of female subjects. References: [1]Diez-Perez, Aging Clin Exp Res 2019;31(10):1375–89 Table 1. Baseline patient characteristics, expressed as median (25 th – 75 th percentiles). Patients with incident fragility fracture Patients without incident fragility fracture p-value* Age [years] 70 (60-73) 59 (54-64) <0.001 Height [cm] 159 (155-164) 160 (156-165) 0.08 Weight [kg] 63 (58-70) 62 (57-69) 0.42 BMI [kg/m 2 ] 24.97 (23.13-26.86) 24.24 (22.22-26.59) 0.04 FN REMS T-score -2.3 (-2.8 – -1.7) -1.8 (-2.3 – -1.1) <0.001 FN DXA T-score -2.2 (-2.8 – -1.6) -1.7 (-2.3 – -1.1) <0.001 LS REMS T-score -3.0 (-3.5 – -2.0) -2.0 (-2.8 – -1.0) <0.001 LS DXA T-score -2.8 (-3.4 – -1.8) -1.9 (-2.7 – -1.0) <0.001 * Wilcoxon ranksum test Figure. Boxplot of the distribution of T-score values estimated REMS and DXA at FN and LS among patients without incident fragility fracture and patients with incident fragility fractures at different sites. Note: G. Adami, G. Arioli § , G. Bianchi§, M.L. Brandi§, C. Caffarelli§, L. Cianferotti§, G. Girasole§, S. Gonnelli§, M. Manfredini§, M. Muratore§, E. Quarta§, L. Quarta§, D. Gatti§ equal contributors listed in alphabetical order. Disclosure of Interests: Giovanni Adami: None declared, Giovanni Arioli *: None declared, Gerolamo Bianchi Grant/research support from: Celgene, Consultant of: Amgen, Janssen, Merck Sharp & Dohme, Novartis, UCB, Speakers bureau: Abbvie, Abiogen, Alfa-Sigma, Amgen, BMS, Celgene, Chiesi, Eli Lilly, GSK, Janssen, Medac, Merck Sharp & Dohme, Novartis, Pfizer, Roche, Sanofi Genzyme, Servier, UCB, Maria Luisa Brandi: None declared, Carla Caffarelli: None declared, Luisella Cianferotti: None declared, Giuseppe Girasole: None declared, Stefano Gonnelli: None declared, Monica Manfedini: None declared, Maurizio Muratore: None declared, Eugenio Quarta: None declared, Laura Quarta: None declared, Davide Gatti Speakers bureau: Davide Gatti reports personal fees from Abiogen, Amgen, Janssen-Cilag, Mundipharma, outside the submitted work.
Год издания: 2020
Авторы: Giovanni Adami, G. Arioli, Gerolamo Bianchi, Maria Luisa Brandi, Carla Caffarelli, Luisella Cianferotti, G. Girasole, Stefano Gonnelli, M. Manfedini, M. Muratore, E. Quarta, L. Quarta, Davide Gatti
Издательство: BMJ
Источник: Annals of the Rheumatic Diseases
Ключевые слова: Bone health and osteoporosis research, Hip and Femur Fractures, Bone health and treatments
Другие ссылки: Annals of the Rheumatic Diseases (PDF)
Annals of the Rheumatic Diseases (HTML)
INFM-OAR (INFN Catania) (PDF)
INFM-OAR (INFN Catania) (HTML)