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ZHANG Ya-qin, LI Hui, WU Xiu-juan.
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张亚钦,李 辉,吴秀娟
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Abstract: Objective To analyze status of bone strength in obese and overweight children. Methods Subjects were 1270 children and adolescents (aged 2~18) undergoing a routine medical screen, and the were categorized as overweight or obese using weight for height standard of WHO/NCHS for 2~6 years and BMI for 7~18 years children. Bone strength was assessed by quantitative ultrasound methods. Body composition was measured by body composition instrument. Results In pre-school children, tibial and radialis bone strength of obese group was worse than normal weight group, and the descending risk of bone strength in obese group was 6.87 and 2.24 times of normal children. Bone strength was not different in overweight and normal weight groups. In school children, tibial bone strength of obese group and overweight group, normal weight group was in the increasing order; the descending risk of bone strength in obese and overweight group was 9.73 and 2.54 times of normal group respectively. Radialis bone strength of obese group was worse than overweight group and normal weight group, while the bone strength of overweight group and normal weight group was not different. Bone strength of different position was different in obese children. Fat percentage had negative correlation with bone strength in obese children (r - radius = -0.33, r - tibia = -0.35). Conclusion Status of obese children’s bone strength is worse than normal weight children. We should pay attention to bone health of obese children and measure multi-sites bone strength.
Key words: overweight, bone strength , obesity
摘要: 目的 分析超重和肥胖儿童的骨强度状况。 方法 以2003年10月至2007年1月在首都儿科研究所门诊查体的1270名2~18岁儿童青少年为研究对象, 2~6 岁学龄前儿童按WHO/NCHS身高别体重标准判定超重与肥胖,>6~18岁学龄儿童根据中国肥胖工作组制定的体重指数(BMI)标准判定超重与肥胖。用Omnisense 7000P型定量超声仪测量骨强度、Genius型体成份仪测量体成份。 结果 学龄前肥胖儿童胫、桡骨骨强度均低于正常儿童,胫、桡骨骨强度下降风险分别是正常 儿童的6.87倍和2.24倍;超重组与正常组无差别。学龄儿童正常、超重、肥胖组的胫骨骨强度依次下降,肥胖、超重组胫骨骨强度下降风险是正常组的9.73和 2.54倍;学龄肥胖组桡骨骨强度低于正常组,超重组与正常组无差别。肥胖儿童不同部位骨强度存在差异。肥胖儿童的体脂含量与骨强度呈负相关(r胫 = -0.35 ; r桡 = -0.33)。 结论 肥胖儿童骨强度较正常儿童差,临床工作中应关注肥胖儿童的骨健康状况,并且应多部位测量以便全面了解骨强度状况。
关键词: 儿童, 肥胖, 骨强度
ZHANG Ya-qin,LI Hui,WU Xiu-juan.. Influence of overweight and obesity on bone strength in children.[J]. .
张亚钦,李辉,吴秀娟. 超重和肥胖对儿童骨骼强度影响的研究[J]. 中国实用儿科杂志.
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