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  • Title: Prevalence of low forearm bone mineral density in Bulgarian men: a pilot study.
    Author: Boyanov MA, Popivanov PR, Temelkova NL.
    Journal: Aging Male; 2007 Mar; 10(1):9-16. PubMed ID: 17454978.
    Abstract:
    OBJECTIVE: To determine the prevalence of osteoporosis at the distal forearm in a male cohort referred for bone density testing and to compare it to published data of Bulgarian women. DESIGN AND SUBJECTS: 315 consecutive Bulgarian men aged 20 to 84 years were included (mean age 53.74 +/- 14.67 years). 59% of them were self-referrals. The comparative female group consisted of 8869 Bulgarian women whose forearm bone mineral density (BMD) was measured in another study. MEASUREMENTS: BMD was measured by single X-ray absorptiometry at the distal forearm (distal and ultradistal sites) in all men. T-scores were calculated from manufacturer-provided Danish male reference data. RESULTS: The ratio of female to male patients was 28.2 (8869 to 315). Peak BMD was observed in men aged 30 to 39 years: 0.560 +/- 0.065 g/cm(2) (distal site) and 0.490 +/- 0.070 g/cm(2) (ultradistal site). A steady BMD decline followed reaching 0.492 +/- 0.064 g/cm(2) at the distal and 0.412 +/- 0.069 g/cm(2) at the ultradistal site in age group >70. Age had a rather weak negative impact on forearm BMD described by a linear model. In men aged over 50 years the prevalence of osteoporosis at the distal site was 21.19%, compared to 20.45% in women. Low bone mass was seen in 48.77% of men and 32.50% of women. Normal BMD was more frequent in women (47.05%) than in men (30.04%). CONCLUSIONS: We found a high prevalence of forearm osteoporosis in Bulgarian men which is comparable to that already known in women.
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