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Trabecular risk score

Kwi Young Kang, In Je Kim, Sung-Hwan Park, Yeon Sik Hong
Objectives: To compare trabecular bone scores (TBS) between axial SpA (axSpA) patients with and without vertebral fractures and investigate associations between TBS and vertebral fractures. Methods: Two hundred and fifty-five patients fulfilling the imaging arm of the Assessment of SpondyloArthritis International Society axSpA criteria were enrolled. TBS and BMD were assessed using dual-energy X-ray absorptiometry. Vertebral fracture of the thoracic and lumbar spine was defined according to the Genant criteria...
March 9, 2018: Rheumatology
Patrick Martineau, William D Leslie
PURPOSE OF REVIEW: Trabecular bone score (TBS) is a texture index derived from the lumbar spine dual-energy X-ray absorptiometry which can assess skeletal quality and provide information about fracture risk independent of bone mineral density (BMD). TBS is useful in assessing osteoporotic fracture risk, with lower TBS values associated with increased fracture risk. In this article, we review the current state of TBS, including its utility and limitations in the assessment and management of osteoporosis, with particular emphasis on the recent literature...
March 9, 2018: Current Opinion in Rheumatology
Kwi Young Kang, Hye Yeon Goo, Sung-Hwan Park, Yeon Sik Hong
Objectives: To compare the trabecular bone score (TBS) between patients with axial spondyloarthritis (axSpA) and matched normal controls and identify risk factors associated with a low TBS. Methods: TBS and BMD were assessed in the two groups (axSpA and control) using DXA. Osteoporosis risk factors and inflammatory markers were also assessed. Disease activity and radiographic progression in the sacroiliac joint and spine were evaluated in the axSpA group. Multivariate linear regression analysis was performed to identify risk factors associated with TBS...
March 1, 2018: Rheumatology
Junko Tamaki, Masayuki Iki, Yuho Sato, Renaud Winzenrieth, Etsuko Kajita, Sadanobu Kagamimori
This study examined whether bone microarchitecture determined by Trabecular Bone Score (TBS) is associated with the risk of major osteoporotic fractures independent of FRAX® in Japanese women. Participants included 1541 women aged ≥ 40 at baseline. Major osteoporotic fractures during a 10-year follow-up period were documented by the Japanese Population-based Osteoporosis Cohort Study. TBS and areal bone mineral density (aBMD) were calculated for the same spinal regions at baseline. To compare the predictive ability of FRAX® model when used alone versus in combination with TBS, Akaike information criterion (AIC), the area under the receiver operating characteristic curve (AUC), net reclassification improvement (NRI), and integrated discrimination improvement (IDI) were calculated...
February 21, 2018: Journal of Bone and Mineral Metabolism
Gregory Chang, Chamith S Rajapakse, Cheng Chen, Arakua Welbeck, Kenneth Egol, Ravinder R Regatte, Punam K Saha, Stephen Honig
Purpose To determine if 3-T magnetic resonance (MR) imaging of proximal femur microarchitecture can allow discrimination of subjects with and without fragility fracture who do not have osteoporotic proximal femur bone mineral density (BMD). Materials and Methods Sixty postmenopausal women (30 with and 30 without fragility fracture) who had BMD T scores of greater than -2.5 in the hip were recruited. All subjects underwent dual-energy x-ray absorptiometry to assess BMD and 3-T MR imaging of the same hip to assess bone microarchitecture...
February 19, 2018: Radiology
N Binkley, D Krueger, A E de Papp
INTRODUCTION: Case reports of women sustaining multiple vertebral fractures (VF) soon afterdenosumab discontinuation are accumulating. METHODS: We report a woman with five new vertebral fractures in ~8 months following discontinuation of long-term odanacatib (ODN), an experimental cathepsin K inhibitor. RESULTS: DXA examination demonstrated an ~12% decline in bone mineral density (BMD) and ~9% decline in trabecular bone score (TBS) since ODN discontinuation...
February 18, 2018: Osteoporosis International
M Locquet, C Beaudart, O Bruyère, J A Kanis, L Delandsheere, J-Y Reginster
This study investigated the relationship between muscle and bone status in elderly individuals. Our results suggested links between sarcopenia and osteoporosis; impairment in muscle status (i.e., muscle mass, muscle strength, and physical performance) is associated with deterioration in bone mass and texture subsequently leading to an increased risk of fracture. INTRODUCTION: Accumulating evidence has shown associations between sarcopenia and osteoporosis, but existing studies face inconsistencies in the clinical definition of both conditions...
February 14, 2018: Osteoporosis International
Claudio Ripamonti, Lucia Lisi, Angela Buffa, Saverio Gnudi, Renata Caudarella
Introduction: The trabecular bone score (TBS) is a gray-level textural metric that can be extracted from the two-dimensional lumbar spine dual-energy X-ray absorptiometry (DXA) image. TBS is related to bone microarchitecture. Several literature data suggest that TBS predicts fracture risk as well as lumbar spine bone mineral density (LS-BMD) measurements in postmenopausal women. Objective: A retrospective case-control study assessing the ability of the TBS to predict spine fragility fractures (SFF) in postmenopausal women with or without osteoporosis (diagnosed by T-score≤-2...
February 2018: Medical Archives
W D Leslie, E Shevroja, H Johansson, E V McCloskey, N C Harvey, J A Kanis, D Hans
Lumbar spine trabecular bone score (TBS) can be used to modify the output from the fracture risk assessment tool, FRAX, to enhance fracture prediction. An alternative approach for using TBS in clinical practice, based upon an adjustment to the bone mineral density (BMD) T-score, may be helpful in regions where intervention guidelines and/or reimbursement are primarily based on BMD T-score. INTRODUCTION: The aim of this study is to develop an approach for using TBS in clinical practice based upon a "risk-equivalent" adjustment to the BMD T-score...
February 1, 2018: Osteoporosis International
L Redondo, E Puigoriol, J R Rodríguez, P Peris, E Kanterewicz
INTRODUCTION AND OBJECTIVES: The trabecular bone score (TBS) is an imaging technique that assesses the condition of the trabecular microarchitecture. Preliminary results suggest that TBS, along with the bone mineral density assessment, could improve the calculation of the osteoporotic fracture risk. The aim of this study was to analyse TBS values and their relationship with the clinical characteristics, bone mineral density and history of fractures of a cohort of posmenopausal women. MATERIAL AND METHODS: We analysed 2,257 posmenopausal women from the FRODOS cohort, which was created to determine the risk factors for osteoporotic fracture through a clinical survey and bone densitometry with vertebral morphometry...
January 9, 2018: Revista Clínica Española
Y J Choi, S Y Ock, Y Jin, J S Lee, S H Kim, Y -S Chung
Pentosidine levels were higher in diabetic patients with vertebral fractures. Trabecular bone scores were negatively associated with pentosidine levels in diabetic patients only. Our results provide further evidence that AGEs are associated with the pathogenesis of bone fragility in patients with T2DM. INTRODUCTION: Type 2 diabetes mellitus (T2DM) is associated with fracture risk. Pentosidine, an advanced glycation end product (AGE), is associated with prevalent vertebral fractures (VFs) in patients with T2DM...
January 10, 2018: Osteoporosis International
Fabio M Ulivieri, Luca P Piodi, Enzo Grossi, Luca Rinaudo, Carmelo Messina, Anna P Tassi, Marcello Filopanti, Anna Tirelli, Francesco Sardanelli
The consolidated way of diagnosing and treating osteoporosis in order to prevent fragility fractures has recently been questioned by some papers, which complained of overdiagnosis and consequent overtreatment of this pathology with underestimating other causes of the fragility fractures, like falls. A new clinical approach is proposed for identifying the subgroup of patients prone to fragility fractures. This retrospective observational study was conducted from January to June 2015 at the Nuclear Medicine-Bone Metabolic Unit of the of the Fondazione IRCCS Ca' Granda, Milan, Italy...
2018: PloS One
Ondrej Soucek, Eckhard Schönau, Jan Lebl, Johannes Willnecker, Zdenek Hlavka, Zdenek Sumnik
Context: Patients with Turner Syndrome (TS) are at risk of osteoporotic fractures. Objective: The aims of this study were to assess the incidence of clinically significant fractures in girls with TS and prospectively describe the development of volumetric bone mineral density (BMD). Design: Peripheral quantitative computerized tomography (pQCT) of the radius every other year over the 6 years of observation. Setting: Government funded university referral center...
December 28, 2017: Journal of Clinical Endocrinology and Metabolism
Agustina Pia Marengo, Fernando Guerrero Pérez, Luis San Martín, Rosa Monseny, Anna Casajoana, Rocio Valera, Nuria Virgili, Andreu Simó Servat, Albert Prats, Carmen Gómez-Vaquero, Nuria Vilarrasa
INTRODUCTION: The effects of bariatric surgery on skeletal health raise many concerns. Trabecular bone score (TBS) is obtained through the analysis of lumbar spine dual X-ray absorptiometry (DXA) images and allows an indirect assessment of skeletal microarchitecture (MA). The aim of our study was to evaluate the changes in bone mineral density (BMD) and alterations in bone microarchitecture assessed by TBS in morbidly obese women undergoing Roux-en-Y gastric bypass (RYGB), over a three-year follow-up...
December 2, 2017: Nutrients
Maria Fusaro, Andrea Aghi, Maria Cristina Mereu, Andrea Giusti
Fragility fractures (FF) are common in patients with chronic kidney disease (CKD), and they occur at a younger age and with a higher frequency than in the general population, producing significant morbidity, mortality and healthcare costs. The pathogenic mechanisms underlying FF in CKD patients have not been completely understood. Behind CKD-MBD, the uremic toxicity should play a role in their pathogenesis, by affecting bone quality (uremic osteoporosis). There are very few prospective studies investigating risk factors for fragility fractures in CKD patients, and available algorithms for fracture risk prediction (FRAX and DeFRA) have never considered CKD...
December 5, 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
Gloria Bonaccorsi, Carmelo Messina, Carlo Cervellati, Elisa Maietti, Matilde Medini, Maurizio Rossini, Leo Massari, Pantaleo Greco
This study aimed to compare the performance of Fracture Risk Assessment Tool (FRAX) with that of Derived FRAX (DeFRA) in estimating fracture risk in a cohort of type-2 diabetes mellitus (T2DM) postmenopausal women. One hundred nineteen T2DM postmenopausal women and 118 consecutive healthy postmenopausal women were enrolled. Fracture risk was assessed with FRAX (adjusted or non- for trabecular bone score, TBS) and DeFRA. Bone mineral density (BMD) and TBS were evaluated by dual-energy X-ray absorptiometry (DXA)...
November 24, 2017: Gynecological Endocrinology
Frédérica Schyrr, Anita Wolfer, Jérôme Pasquier, Anne-Laure Nicoulaz, Olivier Lamy, Olaia Naveiras
This retrospective study attempts to establish if a correlation exists between osteoporosis and hematopoiesis before and after adjuvant chemotherapy in the context of non-metastatic breast cancer. Osteoporosis is interpreted both as a direct marker of osteoblastic decline and as an indirect marker of increased bone marrow adiposity within the hematopoietic microenvironment. Patients from the "Centre du Sein" at CHUV (Centre Hospitalier Universitaire Vaudois) undergoing adjuvant chemotherapy were included in this study...
February 2018: Annals of Hematology
Roger J Bedimo, Beverley Adams-Huet, John Poindexter, Geri Brown, Irfan Farukhi, Rosinda Castanon, Diana Turner, Teresa Moore, Pablo Tebas, Naim M Maalouf
Background: HIV/HCV co-infected subjects have a significantly greater osteoporotic fracture risk than HIV-infected, despite the fact that HIV/HCV co-infection has not been associated with lower bone mineral density (BMD) than HIV or HCV alone. We evaluated if changes in bone microarchitecture , measured by trabecular bone score (TBS) could explain these differences. Design: We performed a prospective, cross-sectional cohort study of virologically suppressed HIV, untreated HCV, HIV/HCV co-infected and non-infected controls...
November 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
María José Pérez-Sáez, Daniel Prieto-Alhambra, Adolfo Díez-Pérez, Julio Pascual
Bone disease related to chronic kidney disease and, particularly, to kidney transplant patients is a common cause or morbidity and mortality, especially due to a higher risk of osteoporotic fractures. Despite the fact that this has been known for decades, to date, an appropriate diagnostic strategy has yet to be established. Apart from bone biopsy, which is invasive and scarcely used, no other technique is available to accurately establish the risk of fracture in kidney patients. Techniques applied to the general population, such as bone densitometry, have not been subjected to sufficient external validation and their use is not systematic...
November 11, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
Yong Jun Choi, Yoon-Sok Chung, Chang-Hee Suh, Ju-Yang Jung, Hyoun-Ah Kim
Rheumatoid arthritis (RA) is a risk factor for bone fragility, and its effect on fracture risk is independent of bone mineral density (BMD). The trabecular bone score (TBS) is a new indirect parameter of bone quality. In this study, BMD and the TBS were compared between female postmenopausal RA patients with and those without vertebral fractures (VFs).This study had a cross-sectional design. Two hundred seventy-nine postmenopausal women with RA aged 50 years or older were included in this study. TBS measurements were performed on the same vertebrae as those for the BMD measurements...
November 2017: Medicine (Baltimore)
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