老年人骨密度与身体成分之间的关系
RELATIONSHIP BETWEEN BONE MINERAL DENSITY AND BODY COMPOSITION IN ELDERLY.
作者信息
Alonso Angélica Castilho, Gonçalves Tuane Andreatta, Almeida Jenifer Kristina Alves DE, Machado-Lima Adriana, Ernandes Rita DE Cássia, Greve Julia Maria D'Andréa, Garcez-Leme Luiz Eugênio
机构信息
. Movement Study Laboratory, Department of Orthopedics and Traumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil.
. Department of Graduate Studies in Aging Sciences, Universidade São Judas Tadeu, São Paulo, SP, Brazil.
出版信息
Acta Ortop Bras. 2018 Jan-Feb;26(1):27-29. doi: 10.1590/1413-785220182601182340.
OBJECTIVE
To evaluate the association between bone mineral density (BMD) and body composition in healthy older adults at different skeletal sites.
METHODS
We analyzed 87 medical records and BMD along with the body composition of men ranging from 60 to 87 years of age (mean: 68.5, standard deviation: 6.5). Inclusion criteria were normal BMD values (T-score greater than or equal to -1.0) and body mass index within normal or overweight range (18.5 to 29.5 kg/m). Body composition was evaluated using bone densitometry with dual-energy X-ray absorptiometry (DEXA) in a LUNAR-DPX apparatus.
RESULTS
Greater lean mass, fat mass, and soft tissue was associated with better BMD values in older adults, and higher age was associated with poorer BMD.
CONCLUSION
Body composition (lean and fat masses and soft tissue) in older men is positively associated with BMD at all body sites (arms, legs, and trunk). Level of Evidence II; Prognostic studies - Investigating the effect of a patient characteristic on the outcome of disease.
目的
评估健康老年人不同骨骼部位的骨密度（BMD）与身体成分之间的关联。
方法
我们分析了87份病历以及60至87岁男性（平均年龄：68.5岁，标准差：6.5岁）的骨密度和身体成分。纳入标准为骨密度值正常（T值大于或等于 -1.0）且体重指数在正常或超重范围内（18.5至29.5千克/平方米）。使用LUNAR - DPX仪器通过双能X线吸收法（DEXA）骨密度测定法评估身体成分。
结果
在老年人中，更多的瘦体重、脂肪量和软组织与更好的骨密度值相关，而年龄越大骨密度越差。
结论
老年男性的身体成分（瘦体重、脂肪量和软组织）与所有身体部位（手臂、腿部和躯干）的骨密度呈正相关。证据等级II；预后研究 - 调查患者特征对疾病结局的影响。
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