中国证据:腹型肥胖与中老年女性2型糖尿病密切相关

2016-12-18 赛诺菲医学部 菲糖新动微信号

导语:2016年10月27日,Diabetes杂志发表了一项在上海交通大学附属瑞金医院进行的以社区为基础的横断面研究,探讨腹型肥胖与2型糖尿病(T2DM)之间的关系,并评估这种关系的存在是否独立于肥胖状态。尽管以往研究证实,内脏脂肪可独立于体重指数(BMI)和其它危险因素来预测T2DM风险,但是有关中国人群腹型肥胖与T2DM相关性的流行病学数据很少。且虽东亚人群整体肥胖程度较低,但是内脏脂肪堆积相

导语:2016年10月27日,Diabetes杂志发表了一项在上海交通大学附属瑞金医院进行的以社区为基础的横断面研究,探讨腹型肥胖与2型糖尿病(T2DM)之间的关系,并评估这种关系的存在是否独立于肥胖状态。

尽管以往研究证实,内脏脂肪可独立于体重指数(BMI)和其它危险因素来预测T2DM风险,但是有关中国人群腹型肥胖与T2DM相关性的流行病学数据很少。且虽东亚人群整体肥胖程度较低,但是内脏脂肪堆积相对更严重。因此,研究人员推测,内脏脂肪堆积与中国成人T2DM的相关性是独立于肥胖本身的。


研究纳入中国上海的4,126例40岁及以上的受试者,其中女性2,545例,平均年龄62.5±9.3岁。通过双频生物电阻抗分析评估受试者内脏脂肪面积(VFA)。根据BMI水平和VFA中位值将受试者分为4组:正常体重(BMI<25kg/m2)且VFA低于中位值组,正常体重(BMI<25kg/m2)且VFA高于中位值组,超重/肥胖(BMI≥25kg/m2)且VFA低于中位值组,超重/肥胖(BMI≥25kg/m2)且VFA高于中位值组。

女性受试者VFA与T2DM独立相关,而男性则不相关

对于女性受试者而言,多因素*校正分析显示,在BMI<25kg/m2的人群中,与低VFA相比,高VFA人群T2DM患病率更高(OR=1.88, 95%CI 1.31-2.69);在BMI≥25kg/m2人群中,高VFA人群T2DM患病率也更高(OR=2.10, 95%CI 1.54-2.85)。与之相反,男性受试者VFA与T2DM患病率无显著相关性。

*校正年龄、吸烟和饮酒情况、体力活动、糖尿病家族史、收缩压、血清甘油三酯(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)和超敏C-反应蛋白(hs-CRP)。


女性:各BMI分层中,VFA与T2DM患病率的关系



男性:各BMI分层中,VFA与T2DM患病率的关系
女性受试者内脏脂肪与T2DM相关性更强,而男性受试者BMI与T2DM相关性更强

多因素校正后,BMI和VFA都与糖尿病风险独立相关。在女性受试者中,进一步校正BMI后,VFA仍与T2DM显著相关(OR=1.45, 95%CI 1.26-1.67);而校正VFA后,BMI与T2DM的相关性逐渐减弱(OR=1.05, 95%CI 0.92-1.20)。男性受试者则相反,校正BMI后,VFA与T2DM风险无显著关联(OR=1.03, 95%CI 0.89-1.19);而校正VFA后,BMI与T2DM显著相关(OR=1.18, 95%CI 1.02-1.37)。

综上,无论女性的肥胖状况如何,腹型肥胖与T2DM风险增加独立相关。与男性相比,女性内脏脂肪增多与T2DM的相关性更强。

作者见解

本研究证实,在中国人群中,内脏脂肪与T2DM的相关性存在性别差异。以往的研究也发现,校正BMI后,女性人群内脏脂肪与T2DM之间的相关性较男性人群更强。最近一项针对中国人群的研究也表明,女性内脏脂肪与心血管代谢危险因素之间的相关性更强。这种性别差异的确切机制尚未可知,可能是由于游离脂肪酸从内脏脂肪组织转移到肝门静脉循环对女性的影响更大。
原始出处:

Lv X1,2, Zhou W1,2, Sun J1,2, Lin R1,2, Ding L1,2, Xu M1,2, Xu Y1,2, Zhao Z1,2, Chen Y1,2, Bi Y1,2, Lu J1,2, Wang W1,2, Ning G1,2.Visceral adiposity is significantly associated with type 2 diabetes in middle-aged and elderly Chinese women: A cross-sectional study.J Diabetes. 2016 Oct 27. 

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    2018-05-03 1e145228m78(暂无匿称)

    学习了.谢谢作者分享!

    0

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    2016-12-20 nymo
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    2016-12-18 yafeiliutjh

    性别差异

    0

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    2016-12-18 susice

    嗯 新的研究方向

    0

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相当多的证据已表明50多年来用于治疗2型糖尿病的药物二甲双胍也能够阻止或延缓某些癌症的生长;但是它的抗癌效果背后的机制是未知的。如今,在一项新的研究中,美国麻省总医院(MGH)的研究人员鉴定出一种途径似乎是二甲双胍能够阻断人癌细胞生长和延长秀丽隐杆线虫寿命的基础,这提示着这种基因途径在多种有机体中发挥着重要作用。相关研究结果发表在2016年12月15日那期Cell期刊上,论文标题为“An Anci

必看!2016年糖尿病相关研究亮点精华汇总

时光荏苒,岁月如梭,锦年素时,稍纵即逝,又是到年终盘点的时刻!相比于去年,2016年糖尿病取得了重大的研究成果,不论从基础还是临床研究,从不同方向、不同角度对糖尿病及其并发症的临床诊治进行了深入研究,为糖尿病的临床管理寻找最新方向。本文梅斯医学编辑就2016年糖尿病相关研究亮点进行汇总。【1】BMC Biotechnology:糖尿病福音,转基因蛆虫治疗足溃疡!北卡罗来纳州大学的研究人员发现,

糖尿病周围神经病变,如何自我筛查?

糖尿病患者合并下肢周围神经病变,分为无痛性神经病变和痛性周围神经病变,这两种情况都会给患者的生活带来巨大的影响。前者因为患者的保护性感觉如痛觉、触觉、位置觉等丧失,因不易察觉小的足部皮肤损伤而导致溃疡出现、加重最后甚至需要截肢。而后者会因为给患者带来剧烈的疼痛如针刺痛、烧灼痛、刀割痛、触电样或钝痛等,给患者的生活和工作造成严重困扰,甚至会导致情绪、心理异常。所以,糖尿病周围神经病变的早期筛查、早期