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  • Title: Femoral bone loss progresses with age: a longitudinal study in women over age 65.
    Author: Greenspan SL, Maitland LA, Myers ER, Krasnow MB, Kido TH.
    Journal: J Bone Miner Res; 1994 Dec; 9(12):1959-65. PubMed ID: 7872062.
    Abstract:
    Although previous longitudinal studies suggest bone loss ceases at the spine and radius in women over age 65, few data are available to determine whether femoral bone loss continues in this age group. Because a low femoral bone mass is associated with an increased risk of hip fracture and current therapies for fracture prevention focus on halting bone loss, it is imperative to determine whether femoral bone loss occurs in those who sustain 90% of hip fractures: women over age 65. To determine the annual rate of femoral bone loss, the association of bone loss and age, and the relationship between femoral and spinal bone loss in this age group, we prospectively followed femoral and spinal bone mineral density (BMD) in 85 healthy, community-dwelling, ambulatory women over age 65 (mean 77 years, range 66-93 years). Measurements of femoral and spinal BMD were assessed twice over 1 year using dual-energy x-ray absorptiometry. Cross-sectional analysis of site-specific baseline BMD suggested a significant bone loss in the femoral neck (-0.76% per year, p < 0.01), total hip (-0.70% per year, p < 0.01), trochanter (-0.71% per year, p < 0.05), intertrochanter (-0.88% per year, p < 0.01), and Ward's triangle (-0.86% per year, p < 0.01) but no significant change at the spine.(ABSTRACT TRUNCATED AT 250 WORDS)
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