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Fractures secondary to low trauma (e.g., falling from a standing height) are considered an indication of osteoporosis, whereas fractures from high-trauma events (e.g., motor vehicle accidents) typically have not been so designated. Now, in two U.S. cohort studies, investigators have followed more than 14,000 community-dwelling men and women (age ≥65) to investigate whether low BMD increases the risk for high-trauma fracture — and whether sustaining such a fracture increases the risk for future fractures.
Women who experienced either high- or low-trauma fractures had lower BMD at the hip and spine than did women who did not sustain fractures. After adjustment for age, each standard deviation decrease in hip BMD was associated with an increase…