422例中老年骨密度检测及危险因素分析

422 cases BMD test of middle-aged and elderly people and the analysis of risk factors

目的探讨南京市部分老年人群骨密度(BMD)的变化规律及其与年龄、性别、体质指数的相关性。进行相关危险因素调查。方法采用美国ALARA INC公司数字化X线骨密度仪,对2009年3月～6月在我院进行健康体检的422例中老年人群的非惯用手食指、中指、无名指第二指骨BMD进行检测,同时检测身高、体重和体质指数(BMI),探讨BMD与年龄、性别、体质指数的相关性。并对BMD异常人群填写骨质疏松危险因素调查表。结果骨质减少随年龄增长而加重。女性比男性在同年龄阶段发生骨质减少的几率高。骨质减少与BMI的增高不呈负相关。结论老年性骨质减少与年龄、性别有关,吸烟、过量饮酒、缺乏锻炼、低钙饮食等不健康的生活方式是骨质疏松的主要危险因素。建议老年人应采取健康的生活方式,预防和推迟老年性骨质疏松的发生。

Objective Explore the ageing population density of Nanjing part variation law of BMD and age, gender, and body mass index. Related risk factors for investigation. Methods Using digital X-ray absorptiometry made in USA ALARA, INC Company, tested the BMD of the forefinger, middle finger and ring finger＇s the second phalanxes of the nondominant hand of the 422 cases of middle-aged people health checked-up in 3-6 months in 2009 in our hospital. Tested height, weight, and body mass index（BMI） and explre the correlation of BMD with age, sex, and BMI. And the abnormal crowd filled the questionnaire of osteoporosis risk factors. Results Bone decrease with age. Women than mean in the same age with high risk reduction. The higher BMI and osteoporosis reduce not negatively. Conclusion Senile osteoporosis decrease wit age and sex, smoking, excessive drinking and a lack of exercise and diet and other unhealthy lifestyle is a major risk factor for osteoporosis. Suggest people should adopt healthy lifestyle, prevention and postpone senile osteoporosis.