Diabetes Care:血浆和饮食中亚油酸与心肌梗塞后2型糖尿病的风险

2019-11-15 xing.T MedSci原创

由此可见,在该MI后的患者队列中,血浆LA与2型糖尿病风险呈负相关,而饮食LA与血浆LA无关。需要进一步的研究来评估血浆LA是否表示这些患者的代谢状态,而非饮食中的LA。

近日,糖尿病领域权威杂志Diabetes Care上发表了一篇研究文章,该研究旨在探究血浆和饮食中的亚油酸(LA)与心肌梗死(MI)患者2型糖尿病风险之间的关系。

研究人员纳入了3257名60-80岁的患者(男性占80%),这些患者最初没有2型糖尿病,且均来自Alpha Omega队列,自MI以来的中位随访时间为3.5年。在基线(2002-2006年)时,研究人员测定了参与者测定了血浆胆固醇酯中的LA,并通过203项食物频率问卷对饮食中的LA进行了估算。通过自我报告的医生诊断和药物使用情况来确定2型糖尿病情况。研究人员通过Cox回归计算风险比(95%CI),其中饮食LA等量地代替了饱和脂肪酸(SFA)和反式脂肪酸(TFA)的总和。

循环和饮食中LA的平均值±SD分别为50.1±4.9%和5.9±2.1%。血浆和饮食中的LA呈弱相关(Spearman r=0.13,P<0.001)。在41个月的中位随访期间,有171名参与者患上2型糖尿病。血浆LA与2型糖尿病风险呈负相关(五分位数[Q]5 vs. Q1:0.44[0.26-0.75];每变化5%:0.73 [0.62-0.86])。用饮食LA代替SFA+TFA与2型糖尿病风险无关(Q5 vs. Q1:0.78[0.36-1.72];每增加5%:1.18 [0.59-2.35])。对新生脂肪形成标记的调整减弱了血浆LA与2型糖尿病之间的关联。

由此可见,在该MI后的患者队列中,血浆LA与2型糖尿病风险呈负相关,而饮食LA与血浆LA无关。需要进一步的研究来评估血浆LA是否表示这些患者的代谢状态,而非饮食中的LA。 

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    2020-10-28 lingqf
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    2019-11-16 misszhang

    谢谢MedSci提供最新的资讯

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