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Trabecular bone score

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https://www.readbyqxmd.com/read/28821456/hyperglycemia-is-associated-with-increased-bone-mineral-density-and-decreased-trabecular-bone-score-in-elderly-japanese-men-the-fujiwara-kyo-osteoporosis-risk-in-men-formen-study
#1
Masayuki Iki, Yuki Fujita, Katsuyasu Kouda, Akiko Yura, Takahiro Tachiki, Junko Tamaki, Renaud Winzenrieth, Yuho Sato, Jong-Seong Moon, Nozomi Okamoto, Norio Kurumatani
PURPOSE: Patients with type 2 diabetes mellitus (T2DM) have an increased fracture risk despite having higher areal bone mineral density (aBMD). This study aimed to clarify the association between glycemic and insulin resistance status and bone microarchitecture, and whether pentosidine and bone turnover markers play any roles in the association. METHODS: A total of 2012 community-dwelling men aged ≥65years completed baseline measurements of spine aBMD, fasting plasma glucose (FPG) and serum insulin, hemoglobin A1c (HbA1c), osteocalcin, type I procollagen N-terminal propeptide, type I collagen C-terminal crosslinking telopeptide, tartrate-resistant acid phosphatase isoenzyme 5b, pentosidine, height and weight and an interview regarding past disease history...
August 15, 2017: Bone
https://www.readbyqxmd.com/read/28802681/activated-fgfr3-promotes-bone-formation-via-accelerating-endochondral-ossification-in-mouse-model-of-distraction-osteogenesis
#2
Yusuke Osawa, Masaki Matsushita, Sachi Hasegawa, Ryusaku Esaki, Masahito Fujio, Bisei Ohgawara, Naoki Ishiguro, Kinji Ohno, Hiroshi Kitoh
Achondroplasia (ACH) is one of the most common short-limbed skeletal dysplasias caused by gain-of-function mutations in the fibroblast growth factor receptors 3 (FGFR3) gene. Distraction osteogenesis (DO) is a treatment option for short stature in ACH in some countries. Although the patients with ACH usually show faster healing in DO, details of the newly formed bone have not been examined. We have developed a mouse model of DO and analyzed new bone regenerates of the transgenic mice with ACH (Fgfr3(ach) mice) histologically and morphologically...
August 9, 2017: Bone
https://www.readbyqxmd.com/read/28791436/musculoskeletal-health-in-newly-diagnosed-children-with-crohn-s-disease
#3
L M Ward, J Ma, F Rauch, E I Benchimol, J Hay, M B Leonard, M A Matzinger, N Shenouda, B Lentle, H Cosgrove, M Scharke, V N Konji, D R Mack
We evaluated the impact of Crohn's disease on muscle and bone strength, mass, density, and geometry in children with newly diagnosed CD and found profound muscle and bone deficits; nevertheless, the prevalence of vertebral fractures at this time point was low. INTRODUCTION: Crohn's disease (CD) is an inflammatory condition of the gastrointestinal tract that can affect the musculoskeletal system. The objective of this study was to determine the prevalence of vertebral fractures and the impact of CD on muscle and bone mass, strength, density, and geometry in children with newly diagnosed CD...
August 8, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28766140/assessment-of-the-effects-of-switching-oral-bisphosphonates-to-denosumab-or-daily-teriparatide-in-patients-with-rheumatoid-arthritis
#4
Kosuke Ebina, Makoto Hirao, Jun Hashimoto, Keisuke Hagihara, Masafumi Kashii, Kazuma Kitaguchi, Hozo Matsuoka, Toru Iwahashi, Ryota Chijimatsu, Hideki Yoshikawa
The aim of this observational, non-randomized study was to clarify the unknown effects of switching oral bisphosphonates (BPs) to denosumab (DMAb) or daily teriparatide (TPTD) in patients with rheumatoid arthritis (RA). The characteristics of the 194 female patients included in the study were 183 postmenopausal, age 65.9 years, lumbar spine (LS) T score -1.8, femoral neck (FN) T score -2.3, dose and rate of taking oral prednisolone (3.6 mg/day) 75.8%, and prior BP treatment duration 40.0 months. The patients were allocated to (1) the BP-continue group (n = 80), (2) the switch-to-DMAb group (n = 74), or (3) the switch-to-TPTD group (n = 40)...
August 1, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28756994/dual-energy-x-ray-absorptiometry-predictors-of-vertebral-deformities-in-beta-thalassemia-major
#5
Giangiacomo Osella, Adriano Massimiliano Priola, Sandro Massimo Priola, Antonio Piga, Filomena Longo, Massimo Ventura, Giuseppe Bentivegna, Alberto Angeli, Andrea Veltri, Massimo Terzolo
Vertebral fractures in beta-thalassemia major are increasingly found because of the longer life expectancy of patients, with a major negative impact on their quality of life. We performed a retrospective cross-sectional study to investigate the prevalence of vertebral deformities in thalassemic patients and to identify their best dual-energy X-ray absorptiometry (DXA) predictor among trabecular bone score (TBS), bone mineral density (BMD), and Z-score. Eighty-two outpatients with beta-thalassemia major on regular conventional treatment were studied at a single academic center...
July 27, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28748386/effect-of-denosumab-on-trabecular-bone-score-in-postmenopausal-women-with-osteoporosis
#6
M R McClung, K Lippuner, M L Brandi, J R Zanchetta, H G Bone, R Chapurlat, D Hans, A Wang, C Zapalowski, C Libanati
Trabecular bone score (TBS) assesses bone quality in the lumbar spine using dual-energy X-ray absorptiometry (DXA) scans. In postmenopausal women with osteoporosis, denosumab significantly improved TBS independently of bone mineral density (BMD). This practical technique may have a role in managing patients with osteoporosis. INTRODUCTION: TBS, a gray-level texture index determined from lumbar spine DXA scans, correlates with bone microarchitecture and enhances assessment of vertebral fracture risk independently of BMD...
July 26, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28743851/-new-methods-for-the-evaluation-of-bone-quality-dxa-based-analysis-of-bone-quality-trabecular-bone-score-tbs
#7
Teruki Sone
Trabecular bone score(TBS)is a texture measure that evaluates pixel gray-level variations in lumbar spine DXA images, and provides skeletal information distinct from the standard BMD measurement. Recent clinical evidences show that TBS is associated with fracture risk in primary and secondary osteoporosis, and can be used together with FRAX(R) and BMD to adjust FRAX-probability of fracture in postmenopausal women and older men. However, athough treatment-related increases are reflected in the TBS, these are considerably smaller than the changes in BMD and there is insufficient evidence that TBS can be used to assess response to pharmacologic treatment...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28743845/-new-methods-for-the-evaluation-of-bone-quality-diseases-affecting-bone-quality
#8
Shinsuke Yamada, Masaaki Inaba
Impaired bone quality is associated with fragility bone fractures independently of bone mineral density. Lifestyle disease-induced osteoporosis, such as diabetes or chronic kidney disease, and glucocorticoid-induced osteoporosis are listed as the diseases affecting bone quality. TBS(trabecular bone score)developed recently will be able to evaluate the trabecular microarchitecture quickly and easily. Various clinical studies evaluated bone quality by TBS has performed. I give an outline about the diseases affecting bone quality...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28734710/use-of-trabecular-bone-score-tbs-as-a-complementary-approach-to-dual-energy-x-ray-absorptiometry-dxa-for-fracture-risk-assessment-in-clinical-practice
#9
Enisa Shevroja, Olivier Lamy, Lynn Kohlmeier, Fjorda Koromani, Fernando Rivadeneira, Didier Hans
Osteoporosis is a common bone disease characterized by low bone mass and altered bone microarchitecture, resulting in decreased bone strength with an increased risk of fractures. In clinical practice, physicians can assess the risk of fracture for a patient based on several risk factors. Some such as age, weight, and history of fractures after 50 years of age, parental fracture, smoking status, and alcohol intake are incorporated into FRAX, an assessment tool that estimates the 10-year probability of hip fracture and major osteoporotic fractures based on the individual's risk factors profile...
July 19, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28733715/clinical-performance-of-an-updated-trabecular-bone-score-tbs-algorithm-in-men-and-women-the-manitoba-bmd-cohort
#10
G I Schacter, W D Leslie, S R Majumdar, S N Morin, L M Lix, D Hans
This is the first study to directly compare the original and recently updated versions of the trabecular bone score (TBS) algorithm. We confirmed improved performance of the new algorithm, especially among men. INTRODUCTION: Lumbar spine trabecular bone score (TBS) predicts major osteoporotic fractures (MOFs) and hip fractures (HFs) independent of bone density. The original TBS algorithm (version 1; [TBS-v1]) was optimized for women of average body size. Limitations were identified when used in men or extremes of body mass index (BMI)...
July 21, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28727341/-use-of-trabecular-bone-score-as-a-complementary-approach-to-dxa-for-fracture-risk-assessment-in-clinical-practice
#11
Didier Hans, Enisa Shevroja, Olivier Lamy
Physicians can assess the risk of fracture based on bone density (BMD) and several risk factors. Some of them and BMD are incorporated into FRAX, an assessment tool that estimates the 10-years probability of fracture. BMD didn't take into account the microarchitecture. TBS is a texture parameter related to bone microarchitecture. A low TBS is associated with a history of fracture and the incidence of new fracture independently of BMD, clinical risk factors and FRAX. TBS is yet integrated in the FRAX tool, and this effect is of greatest utility for individuals who are close to an intervention threshold...
April 19, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28716499/fracture-risk-assessment-in-patients-with-diabetes-mellitus
#12
Catalina Poiana, Cristina Capatina
Diabetes mellitus, both type 1 and type 2 (T2DM), is associated with decreased bone strength as well as increased fracture risk. Bone mineral density is decreased in type 1 diabetes but increased in T2DM, compared with controls. This suggests alterations in bone quality are a major player in the pathogenesis of fragility fractures in patients with diabetes. The link between diabetes and bone appears to be mediated by complex pathways, including the insulin-insulin growth factors system, accumulation of advanced glycation end-products in bone collagen, microangiopathy, and increased bone marrow fat content...
July 14, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28712983/older-age-and-higher-body-mass-index-are-associated-with-a-more-degraded-trabecular-bone-score-compared-to-bone-mineral-density
#13
Young Ho Shin, Hyun Sik Gong, Kyung Jae Lee, Goo Hyun Baek
Trabecular bone score (TBS) may detect subjects with a more degraded microarchitecture but whose bone mineral density (BMD) reflects normal or osteopenia. The purpose of this study was to evaluate whether age and body sizes were associated with the discordance between BMD and TBS. We analyzed BMD and TBS in 1505 Korean women over 40 yr of age who had no history of osteoporotic fractures or conditions that affect bone metabolism. We considered 3 groups to have TBS values that reflected a more degraded TBS than their BMD values: (1) normal BMD but partially degraded TBS, (2) normal BMD but degraded TBS, and (3) osteopenia but degraded TBS...
July 13, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28708200/periacetabular-bone-densitometry-after-total-hip-arthroplasty-with-highly-porous-titanium-cups-a-2-year-follow-up-prospective-study
#14
Leo Massari, Alessandro Bistolfi, Pier Paolo Grillo, Alda Borré, Gaetano Gigliofiorito, Carlotta Pari, Andrea Francescotto, Piermario Tosco, Davide Deledda, Laura Ravera, Araldo Causero
INTRODUCTION: Trabecular Titanium is an advanced cellular solid structure, composed of regular multiplanar hexagonal interconnected cells that mimic the morphology of the trabecular bone. This biomaterial demonstrated improved mechanical properties and enhanced osteoinduction and osteoconduction in several in vitro and in vivo studies. The aim of this study was to assess Trabecular Titanium osseointegration by measuring periacetabular changes in bone mineral density (BMD) with dual-emission X-ray absorptiometry (DEXA)...
July 1, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28694162/impaired-bone-strength-estimates-at-the-distal-tibia-and-its-determinants-in-adolescents-with-anorexia-nervosa
#15
Vibha Singhal, Shreya S Tulsiani, Karen Joanie Campoverde, Deborah M Mitchell, Meghan Slattery, Melanie Schorr, Karen K Miller, Miriam A Bredella, Madhusmita Misra, Anne Klibanski
BACKGROUND: Altered bone microarchitecture and higher marrow adipose tissue (MAT) may reduce bone strength. High resolution pQCT (HRpQCT) allows assessment of volumetric BMD (vBMD), and size and microarchitecture parameters of bone, while 1H-magnetic resonance spectroscopy (1H-MRS) allows MAT evaluation. We have reported impaired microarchitecture at the non-weight bearing radius in adolescents with anorexia nervosa (AN) and that these changes may precede aBMD deficits. Data are lacking regarding effects of AN on microarchitecture and strength at the weight-bearing tibia in adolescents and young adults, and the impact of changes in microarchitecture and MAT on strength estimates...
July 7, 2017: Bone
https://www.readbyqxmd.com/read/28693786/skeletal-involvement-in-type-1-gaucher-disease-not-just-bone-mineral-density
#16
M Baldini, G Casirati, F M Ulivieri, E Cassinerio, K Khouri Chalouhi, E Poggiali, L Borin, V Burghignoli, B M Cesana, M D Cappellini
Gaucher disease is characterized by multi-organ infiltration of phospholipid-laden macrophages. Bone involvement is characterized by typical deformities, osteopenia/osteoporosis, pathological fractures, and bone marrow infiltration (avascular osteonecrosis, infarction). Estimation of skeletal disease includes bone quality that contributes substantially to bone strength. We studied 23 type 1 Gaucher patients (median age 22years, range 3-73) on Enzyme Replacement Therapy from 2months to 26years (median 7years); 4 patients had pathological fractures, 10 bone infarctions, 6 avascular osteonecrosis...
June 16, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28692998/a-new-ensemble-classification-system-for-fracture-zone-prediction-using-imbalanced-micro-ct-bone-morphometrical-data
#17
Vasileios Ch Korfiatis, Simone Tassani, George K Matsopoulos
Trabecular bone fractures constitute a major health issue for the modern societies, with the currently established prediction methods of fracture risk, such as Bone Mineral Density (BMD), resulting in errors up to 40%. Fracture-zone prediction based on bone's micro-structure has been recently proposed as an alternative prediction method of fracture risk. In this paper, a Classification System (CS) for the automatic fracture-zone prediction based on an Ensemble of Imbalanced Learning methods is proposed, following the observation that the percentage of the actual fractured bone area is significantly smaller than the intact bone in the case of a fracture event...
July 4, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28689862/histological-fibrosis-may-predict-the-failure-of-core-decompression-in-the-treatment-of-osteonecrosis-of-the-femoral-head
#18
Francesco Sadile, Alessio Bernasconi, Flavio Carbone, François Lintz, Gelsomina Mansueto
PURPOSE: Osteonecrosis of femoral head (ONFH) is histopathologically characterized by necrotic areas associated with reactive fibrosis, trabecular bone remodeling and thickening zones. Our double goal was to evaluate if: 1) main ONFH risk factors were related to specific histological specimen patterns 2) different histological patterns were related to the final outcome after a core decompression (CD) procedure. METHODS: This observational longitudinal cohort study respected the STROBE statement...
July 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28685886/longitudinal-adaptations-of-bone-mass-geometry-and-metabolism-in-adolescent-male-athletes-the-pro-bone-study
#19
Dimitris Vlachopoulos, Alan R Barker, Esther Ubago-Guisado, Ioannis G Fatouros, Karen M Knapp, Craig A Williams, Luis Gracia-Marco
Adolescence is a crucial period for bone development, and exercise can enhance bone acquisition during this period of life. However, it is not known how the different loading sports practiced can affect bone acquisition in adolescent male athletes. Therefore, the purpose of the present study was to determine the 1-year longitudinal bone acquisition among adolescent males involved in osteogenic (football) and non-osteogenic (swimming and cycling) sports and to compare with active controls. A total of 116 adolescent males aged 12 to 14 years at baseline were followed for 1 year: 37 swimmers, 37 footballers, 28 cyclists, and 14 active controls...
July 7, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28677166/prediction-of-fractures-and-major-cardiovascular-events-in-men-using-serum-osteoprotegerin-levels-the-prospective-strambo-study
#20
Pawel Szulc, Roland Chapurlat, Lorenz C Hofbauer
Fragility fractures and cardiovascular diseases often coincide. However, data on shared risk factors and markers are scarce. Our aim was to assess the independent associations of serum osteoprotegerin (OPG) levels with the risk of fracture and cardiovascular outcomes (acute coronary syndrome, cardiac death) in older men. A cohort of 819 home-dwelling men aged 60 to 87 years was followed prospectively for 8 years. Serum OPG was measured at baseline by ELISA. Bone mineral density (BMD) at femoral neck and Trabecular Bone Score (TBS) were assessed by DXA...
July 4, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
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