Trabecular bone score in the hip: a new method to examine hip bone microarchitecture-a feasibility study
Abstract
UNLABELLED: 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).…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 132 participants or records.
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