Stroke:保持脑健康,要谨防中心性肥胖和胰岛素抵抗

2015-10-10 崔倩 译 MedSci原创

代谢综合征描述了许多肥胖个体的危险因素聚集性。由于其病理生理机制,研究人员推测,中心性肥胖和胰岛素抵抗(IR)是代谢综合征的两大特征,可能与脑血管病变的磁共振成像有关,并且特别是与腔隙性脑疾病的发生有关,而与白质高信号(WMH)进展无关。在社区动脉粥样硬化风险(ARIC)研究中,风险因素是由基线的934名参与者确定的,这些参与者完成了2次大脑磁共振显像≈相隔10年。WMH进展和腔隙性脑疾病事件是在

代谢综合征描述了许多肥胖个体的危险因素聚集性。由于其病理生理机制,研究人员推测,中心性肥胖和胰岛素抵抗(IR)是代谢综合征的两大特征,可能与脑血管病变的磁共振成像有关,并且特别是与腔隙性脑疾病的发生有关,而与白质高信号(WMH)进展无关。

在社区动脉粥样硬化风险(ARIC)研究中,风险因素是由基线的934名参与者确定的,这些参与者完成了2次大脑磁共振显像≈相隔10年。WMH进展和腔隙性脑疾病事件是在2次磁共振显像之间进行的测定。每个参与者的IR评分采用11个风险因素的主成分分析建立,包括:胰岛素、稳态模型评估IR、体重指数和腰围。主成分分析已创建的IR分值每个参与者。代谢综合征(存在/不存在),采用标准的临床定义和在第一次磁共振成像的IR得分(分别为独立变量)确定,由多变量logistic回归以确定WMH进展(Q5与Q1-Q4)和腔隙性脑疾病的几率。

代谢综合征(调整后的比值比,1.98;95%置信区间,1.28-3.05)和IR值(调整了每1-SD增加后的比值比,1.33;95%置信区间,1.05-1.68)与腔隙性脑疾病的发生有关,但与WMH进展无关。胰岛素、稳态模型评估-IR和身体质量指数在独立的模型中并没有与腔隙性脑疾病的发生或WMH进展有关。

胰岛素抵抗分数和中心性肥胖与腔隙性脑疾病的发生有关,但不与白质高信号进展有关。中心性肥胖与胰岛素抵抗可能是针对预防腔隙性脑疾病的重要危险因素。

原始出处:

Jennifer L. Dearborn,Andrea L.C. Schneider,A. Richey Sharrett,et al.Obesity, Insulin Resistance, and Incident Small Vessel Disease on Magnetic Resonance Imaging,Stroke,2015.10.8

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    2016-08-25 baoya
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    2015-10-11 zhouxue1990

    肥胖和糖尿病的脑血管差

    0

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    2015-10-10 hlycom3356

    希望有更深的研究

    0

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