Circulation:不同肥胖类型对身体的危害也不同哦!

2017-05-16 MedSci MedSci原创

不同的肥胖评估方法对心血管疾病病因的影响尚不清楚。近期,一项发表在杂志Circulation上的研究量化并对比了与心脏代谢疾病相关的中枢性肥胖(腰围:BMI(WHRadjBMI)的髋关节比例)与一般肥胖(身体质量指数(BMI))的因果关系。此项研究使用了BMI的97个独立单核苷酸多态性(SNPs)和WHRadjBMI的49个SNP进行孟德尔随机分析,在14项前瞻性研究中补充了来自CARDIoGRA

不同的肥胖评估方法对心血管疾病病因的影响尚不清楚。


近期,一项发表在杂志Circulation上的研究量化并对比了与心脏代谢疾病相关的中心性肥胖(腰围:BMI(WHRadjBMI)的髋关节比例)与一般肥胖(身体质量指数(BMI))的因果关系。

此项研究使用了BMI的97个独立单核苷酸多态性(SNPs)和WHRadjBMI的49个SNP进行孟德尔随机分析,在14项前瞻性研究中补充了来自CARDIoGRAMplusC4D(合并总共66,842例)的CHD数据,来自METASTROKE的中风数据(12,389例缺血性卒中病例) ,来自DIAGRAM(34,840例)的2型糖尿病数据(T2D)和来自GLGC(213,500名参与者)的脂质数据。主要结局为CHD、T2D和主要卒中亚型;次要分析包括18个心脏代谢特征。

此项研究结果显示:WHRadjBMI(1SD〜0.08单位)每升高1个标准差(SD)与48%的CHD额外风险相关(CHD的优势比[OR]:1.48;95%CI:1.28-1.71),这一结果与BMI相似(1SD〜4.6kg / m2; CHD的OR = 1.36;95%CI:1.22-1.52)。

只有WHRadjBMI增加缺血性卒中的风险(OR 1.32;95%CI 1.03-1.70)。

对于T2D,两种肥胖都有较大的影响:WHRadjBMI每升高1SD和BMI每升高1SD的OR分别为 1.82(95%CI 1.38-2.42)和OR 1.98(95%CI 1.41-2.78)。 

WHRadjBMI和BMI都与左心室肥大、血糖特征、白细胞介素6和循环脂质有关。 WHRadjBMI也与较高颈动脉内膜中层厚度(39%;95%CI:9%-77%每1SD)有关。

此项研究表明:一般性肥胖和中心性肥胖对CHD和T2D都有影响。中心性肥胖可能对卒中风险有较强的作用。

原始出处:
Dale C, Fatemifar G, et al. Causal Associations of Adiposity and Body Fat Distribution with Coronary Heart Disease, Stroke Subtypes and Type 2 Diabetes: A Mendelian Randomization Analysis. Circulation. 2017 May 12. pii: CIRCULATIONAHA.116.026560. doi: 10.1161/CIRCULATIONAHA.116.026560.

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    2017-05-19 lou.minghong

    这个结论早就知道

    0

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    2017-05-17 杨利洪

    学习提高了,分享

    0

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    2017-05-17 lou.minghong

    学习了

    0

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    2017-05-16 林3301

    肥胖还分的有讲究,学习了

    0

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    2017-05-16 三生有幸9135

    学习一下谢谢分享

    0

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良性前列腺增生(BPH)在肥胖人群中的发病率在不断的增长,但是很少有研究充分揭示该现象潜在的机制。最近,有研究人员就肥胖和良性前列腺增生的关系进行了研究。在研究中,研究人员发现了在前列腺表皮细胞和基质细胞中,脂肪连接蛋白发挥了多功能的作用,包括抗增殖、G1/S阶段进展的阻断和通过抑制MEK-ERK-p90RSK通路促进细胞凋亡。更进一步的是,研究人员同样发现了高脂肪的饮食(HFD)会导致脂肪连接蛋