Obstract To observe the bone mineral density changes in coal workers' pneumoconiosis in One stage with increasing ages.Methods Chose 100 cases of coal workers pneumoconiosis in One stage in Jincheng Coal Mining Group,all of workers were male, of 55-years old-80 years old, an average of 67 years old.10 years of ages to grouping,whole body bone mineral densities were measured by body dual-energy X-ray absorptiometry .We analyzed the BMD changes.Results Arms and skull body mineral densities of all coal workers pneumoconiosis in One stage were not significantly decreased. But afer 65 ages, Pelvic,Chest, Legs, Spinbody mineral densities of all coal workers pneumoconiosis in One stage were significantly decreased. Otherwise,we found that the rates of Pelvic,Chest, Legs, Spine BMD declining of coal workers' pneumoconiosis patients in One stage was significantly faster after 65 years of age. Conclusion With the age increasing, Coal workers' pneumoconiosis in One stage significantly accelerated the speed of the rate of BMD decline,.This phenomenon was most obvious in the chest bone, pelvis, and spine.
Coal workers' pneumoconiosis in one stageBone mineral density(BMD)Speed of bone mineral density decreasing
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