J INTERN MED:非酒精性脂肪肝与心肌机械能效率降低有关

2020-07-10 MedSci原创 MedSci原创

超声确定的NAFLD与MEE降低有关,MEE是心血管不良事件的预测因子。NAFLD与受损MEE之间的关系取决于IR。

非酒精性脂肪肝疾病(NAFLD)与血管疾病(CVD)风险增加相关,尽管其潜在机制尚不完全清楚。已有研究表明降低的心肌机械能效率(MEE)是CVD的独立预测因子。近日,内科学领域权威杂志Journal of Internal Medicine上发表一篇研究文章,该研究旨在评估NAFLD与受损的MEE之间的关联。

根据超声心动图来确定有无NAFLD将699名非糖尿病患者分为两组,通过有效的超声心动图对心肌MEE进行了评估。

NAFLD患者具有较高的收缩压(SBP)和舒张压(DBP)、甘油三酸酯、空腹和餐后血糖、高敏C反应蛋白(hsCRP),通过HOMA‐IR和肝脏IR估计的胰岛素抵抗(IR)指数和高密度脂蛋白(HDL)值低于没有NAFLD的受试者。NAFLD与心肌需氧量水平升高和MEE值降低有关。MEE与男性、年龄、BMI、腰围、SBP、DBP、总胆固醇、甘油三酸酯、空腹和餐后血糖、HOMA-IR和肝脏IR指数、hsCRP呈负相关,与HDL水平呈正相关。在多变量回归分析中,无论年龄、性别、腰围、SBP、DBP、总胆固醇和高密度脂蛋白胆固醇、甘油三酸酯、葡萄糖耐量和hsCRP等几种心脏代谢危险因素如何,NAFLD均与MEE相关(β=-0.09,P=0.04),但不独立于IR估算值。

由此可见,超声确定的NAFLD与MEE降低有关,MEE是心血管不良事件的预测因子。NAFLD与受损MEE之间的关系取决于IR。

原始出处:

Teresa Vanessa Fiorentino.et al.Non‐alcoholic fatty liver disease is associated with a decreased myocardial mechano‐energetic efficiency.J INTERN MED. 2020.https://onlinelibrary.wiley.com/doi/10.1111/joim.13155

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