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目的 调查长沙农村中老年妇女不同骨骼部位与年龄相关的骨密度 (BMD)和骨质疏松 (OP)的患病率。方法 用DXAQDR4 5 0 0A型扇形束骨密度仪测量 6 2 7例 4 0～ 85岁女性腰椎后位和仰卧侧位、髋部及前臂的BMD。结果 ⑴ 75～ 85岁组与 4 0岁～组比较 ,总的骨丢失率以Word区最显著 ,前臂中远 1/ 3最少⑵ 4 0岁以上腰椎侧位骨质疏松检出率最高 ,其次是前臂和Word区、股骨颈和大转子最低 ;⑶至少有一个骨骼区域的BMD值达到OP标准的发生率随年龄的增加逐渐增加。结论 农村女性 4 0岁以后骨密度的变化及OP发生率与其他职业 4 0岁以上的女性相似。随年龄的增长OP患病率也不同。
Objective To investigate the prevalence of age-related bone mineral density (BMD) and osteoporosis (OP) at different skeletal sites in rural middle-aged and elderly women in rural Changsha. Methods DXAQDR4 500A fan beam bone densitometry was used to measure the BMD of 6 27 patients aged 40 to 85 years old in posterior position, supine position, hip and forearm. Results (1) The bone loss rate was the most significant in the 75-85 age group compared with the 40-year-old group, with the least 1/3 of the forearm distal femur (2) the highest detection rate of osteoporosis in the lumbar vertebra at 40 years old, followed by Forearm and Word area, the femoral neck and the greater trochanter minimum; ⑶ BMD value of at least one bone region to OP standard incidence increased gradually with increasing age. Conclusion The changes of bone mineral density and OP in rural women after 40 years old are similar to those in other occupations over 40 years old. With age, the prevalence of OP is also different.