Nami Safai Haeri1,2, Subashan Perera3,4, Isabel Ferreiro5, Didier Hans6, Susan L Greenspan3,7. 1. Division of Geriatric Medicine, Department of Medicine, University of Pittsburgh, 3471 Fifth Ave, Suite 1110, Pittsburgh, PA, 15213, USA. safaihaerin@upmc.edu. 2. Division of Endocrinology and Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA. safaihaerin@upmc.edu. 3. Division of Geriatric Medicine, Department of Medicine, University of Pittsburgh, 3471 Fifth Ave, Suite 1110, Pittsburgh, PA, 15213, USA. 4. Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA. 5. Medimaps Group, Bordeaux, France. 6. Bone & Joint Department, Center of Bone Diseases, Lausanne University Hospital, Lausanne, Switzerland. 7. Division of Endocrinology and Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
Abstract
Our study found, in older adults who are residents of long-term care facilities, assessing hip microarchitecture with DXA-derived bone texture score may serve as a supplement to bone mineral density to improve fracture prediction and to facilitate decision-making for pharmacological management. PURPOSE: Many patients with high fragility fracture risk do not have a sufficiently low bone mineral density (BMD) to become eligible for osteoporosis treatment. They often have deteriorated bone microarchitecture despite a normal or only mildly abnormal BMD. We sought to examine the beta version of the trabecular bone score (TBS) algorithm for the hip: TBS Hip, an indirect index of bone microarchitecture, and assess if TBS Hip brings complementary information to other bone quality indices such as BMD and bone turnover markers (BTMs) to further improve identifying individuals who are at high risk for fractures. METHODS: In this analysis, we considered baseline TBS Hip at total hip, femoral neck, and greater trochanter, TBS at lumbar spine, BMD at all of these skeletal sites, and BTMs in 132 postmenopausal women who were residents of long-term care (LTC) facilities enrolled in a randomized placebo-controlled osteoporosis clinical trial. RESULTS: On average, participants were 85.2 years old and had a BMI of 26.9 kg/m2. The correlation coefficient between BMD and TBS Hip at total hip, femoral neck, and greater trochanter was 0.50, 0.32, and 0.39 respectively (all p < 0.0001). The correlation coefficient between BMD and lumbar spine TBS was 0.52 (p < 0.0001). There was no statistically significant correlation between BTMs with TBS at lumbar spine or TBS Hip at total hip, femoral neck, and greater trochanter. CONCLUSION: Among older women residing in LTC facilities, there was a moderate correlation between measures of BMD and TBS Hip at total hip, femoral neck, and greater trochanter, suggesting TBS Hip may provide complementary information to BMD .
Our study found, in older adults who are residents of long-term care facilities, assessing hip microarchitecture with DXA-derived bone texture score may serve as a supplement to bone mineral density to improve fracture prediction and to facilitate decision-making for pharmacological management. PURPOSE: Many patients with high fragility fracture risk do not have a sufficiently low bone mineral density (BMD) to become eligible for osteoporosis treatment. They often have deteriorated bone microarchitecture despite a normal or only mildly abnormal BMD. We sought to examine the beta version of the trabecular bone score (TBS) algorithm for the hip: TBS Hip, an indirect index of bone microarchitecture, and assess if TBS Hip brings complementary information to other bone quality indices such as BMD and bone turnover markers (BTMs) to further improve identifying individuals who are at high risk for fractures. METHODS: In this analysis, we considered baseline TBS Hip at total hip, femoral neck, and greater trochanter, TBS at lumbar spine, BMD at all of these skeletal sites, and BTMs in 132 postmenopausal women who were residents of long-term care (LTC) facilities enrolled in a randomized placebo-controlled osteoporosis clinical trial. RESULTS: On average, participants were 85.2 years old and had a BMI of 26.9 kg/m2. The correlation coefficient between BMD and TBS Hip at total hip, femoral neck, and greater trochanter was 0.50, 0.32, and 0.39 respectively (all p < 0.0001). The correlation coefficient between BMD and lumbar spine TBS was 0.52 (p < 0.0001). There was no statistically significant correlation between BTMs with TBS at lumbar spine or TBS Hip at total hip, femoral neck, and greater trochanter. CONCLUSION: Among older women residing in LTC facilities, there was a moderate correlation between measures of BMD and TBS Hip at total hip, femoral neck, and greater trochanter, suggesting TBS Hip may provide complementary information to BMD .
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