检验医学 ›› 2024, Vol. 39 ›› Issue (3): 272-276.DOI: 10.3969/j.issn.1673-8640.2024.03.011

• 论著 • 上一篇    下一篇

瘦素检测在学龄前儿童营养状况和骨密度评价中的价值

董明瑛1, 陶炳铜1, 李恩耀2()   

  1. 1.南阳市第二人民医院儿科,河南 南阳 473000
    2.郑州大学第五附属医院儿童康复医学科,河南 郑州 450000
  • 收稿日期:2022-08-31 修回日期:2023-05-29 出版日期:2024-03-30 发布日期:2024-04-24
  • 通讯作者: 李恩耀,E-mail:Lienyao2016@163.com
  • 作者简介:董明瑛,女,1973年生,学士,副主任医师,主要从事儿科相关疾病的诊治工作。

Role of plasma leptin determination in nutritional status and bone mineral density in preschool children

DONG Mingying1, TAO Bingtong1, LI Enyao2()   

  1. 1. Department of Pediatrics,Nanyang Second People's Hospital,Nanyang 473000,Henan,China
    2. Department of Pediatric Rehabilitation Medicine,the Fifth Affiliated Hospital of Zhengzhou University,Zhengzhou 450000,Henan,China
  • Received:2022-08-31 Revised:2023-05-29 Online:2024-03-30 Published:2024-04-24

摘要:

目的 探讨瘦素检测在学龄前儿童营养状况和骨密度评价中的价值。方法 选取2020年2月—2021年2月南阳市第二人民医院进行健康体检的学龄前儿童140名。测量儿童身高、体重,计算体重指数(BMI),检测血清三酰甘油(TG)、总胆固醇(TC)、高密度脂蛋白胆固醇(HDL-C),低密度脂蛋白胆固醇(LDL-C)、白蛋白(Alb)、血红蛋白(Hb)和血浆瘦素水平,测量骨密度。根据BMI将140名儿童分为偏瘦组(29名)、正常组(61名)和超重组(50名)。根据骨密度将所有儿童分为正常骨密度组(95名)和低骨密度组(45名)。采用Pearson相关分析评估各项指标之间的相关性。采用受试者工作特征(ROC)曲线评价瘦素区分学龄前儿童营养状况和骨密度的效能。结果 与偏瘦组比较,正常组、超重组瘦素水平均显著升高(P<0.05),且超重组高于正常组(P<0.05)。Pearson相关分析结果显示,瘦素与BMI、TG、TC、LDL-C、Hb和Alb均呈正相关(r值分别为0.672、0.486、0.603、0.422、0.244、0.388,P<0.01),与HDL-C呈负相关(r=-0.260,P=0.002)。ROC曲线分析结果显示,瘦素区分偏瘦与正常儿童、正常与超重儿童的曲线下面积(AUC)分别为0.842、0.865。与正常骨密度组比较,低骨密度组TG、TC、LDL-C、Alb、Hb和瘦素水平均显著降低(P<0.05),HDL-C水平显著升高(P<0.05)。瘦素与骨超声传播速度(SOS)值呈正相关(r=0.217,P=0.010)。瘦素区分儿童正常骨密度和低骨密度的AUC为0.634。结论 学龄前儿童瘦素水平与营养状况和骨密度均有一定关系。瘦素水平检测可用于儿童营养状况和骨密度的评估。

关键词: 学龄前儿童, 瘦素, 营养状况, 骨密度, 相关性

Abstract:

Objective To investigate the role of plasma leptin determination in nutritional status and bone mineral density in preschool children. Methods Totally,140 preschool children who underwent physical examination in Nanyang Second People's Hospital from February 2020 to February 2021 were enrolled. The height and weight were measured,and body mass index(BMI) was calculated. Serum triglyceride(TG),total cholesterol(TC),high-density lipoprotein cholesterol(HDL-C),low-density lipoprotein cholesterol(LDL-C),albumin(Alb),hemoglobin(Hb) and plasma leptin levels were determined,and bone mineral density was determined as well. According to BMI,all the 140 children were classified into lean group(29 cases),normal group(61 cases) and overweight group(50 cases). According to bone mineral density,all the children were classified into normal bone mineral density group(95 cases) and low bone mineral density group(45 cases). Pearson correlation analysis was used to evaluate the correlation among the indicators. The efficacy of leptin in differentiating nutritional status and bone mineral density in preschool children was evaluated by receiver operating characteristic(ROC) curve. Results Compared with lean group,leptin levels in normal and overweight groups were increased(P<0.05),and overweight group's leptin levels were higher than those of normal group(P<0.05). Leptin was positively correlated with BMI,TG,TC,LDL-C,Hb and Alb(r values were 0.672,0.486,0.603,0.422,0.244 and 0.388,respectively,P<0.01). There was a negative correlation with HDL-C(r=-0.260,P=0.002). The area under curve(AUC) of leptin for differentiating lean,normal children and normal,overweight children were 0.842 and 0.865,respectively. Compared with normal bone mineral density group,TG,TC,LDL-C,Alb,Hb and leptin in low bone mineral density group were decreased(P<0.05),and HDL-C was increased(P<0.05). Leptin was positively correlated with speed of sound(SOS) of preschool children(r=0.217,P=0.010). The AUC of leptin for differentiating normal and low bone mineral densities was 0.634. Conclusions The level of leptin in preschool children has a certain relationship with nutritional status and bone mineral density,which can be used to evaluate the nutritional status and bone mineral density of children.

Key words: Preschool children, Leptin, Nutritional status, Bone mineral density, Correlation

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