ACC 2013:绝经增加肝脏脂肪变性风险

2013-04-07 佚名 EGMN

  旧金山——德克萨斯大学西南医学中心的Monika Sanghavi医生在美国心脏病学会(ACC)2013年会上报告的达拉斯心脏研究结果显示,绝经后状态与肝脏脂肪变性风险增加1倍独立相关。   近期,关于肝脏脂肪变性的研究正在增多,原因是这种病变是动脉粥样硬化风险增高的标志物。达拉斯心脏研究分析了绝经与肝脏脂肪变性之间的关系。这项以人群为基础的研究纳入了1,018例年龄30~65岁的女性,其中

  旧金山——德克萨斯大学西南医学中心的Monika Sanghavi医生在美国心脏病学会(ACC)2013年会上报告的达拉斯心脏研究结果显示,绝经后状态与肝脏脂肪变性风险增加1倍独立相关。

  近期,关于肝脏脂肪变性的研究正在增多,原因是这种病变是动脉粥样硬化风险增高的标志物。达拉斯心脏研究分析了绝经与肝脏脂肪变性之间的关系。这项以人群为基础的研究纳入了1,018例年龄30~65岁的女性,其中48%为绝经后妇女。研究中肝脏脂肪变性的定义为磁共振波谱分析测定的肝脏脂肪含量高于5.5%。

  结果显示,绝经后妇女的肝脏脂肪变性患病率为34%,而绝经前妇女仅为24%,二者具有统计学差异。绝经后队列的肝脏甘油三酯绝对含量为4.0%,显著高于绝经前妇女的2.9%。值得注意的是,肝脏脂肪变性的患病率随着距离末次月经期(LMP)时间的延长而增高。在距离LMP不足2个月、2~12个月和12个月以上的绝经后妇女中,患病率分别为22%、31%和35%。绝经后女性的平均年龄显著高于绝经前女性,平均收缩压也显著高于绝经前女性,分别为129 和117 mm Hg;绝经后女性的糖尿病患病率也高于绝经前女性,分别为16%和7%;两组的平均LDL胆固醇水平分别为113和98 mg/dl,平均血清甘油三酯水平分别为107和81 mg/dl。校正上述变量以及吸烟状态、体重指数和C反应蛋白水平的多变量分析显示,绝经后状态仍与肝脏脂肪变性风险增加1倍独立相关(危险比为2.0)。

  研究者总结认为,绝经后妇女肝脏脂肪变性风险增加,且这种风险增加是通过一种独立于肥胖、高脂血症和其他传统心血管危险因素的机制实现的。

肝脏相关的拓展阅读:

原文阅读:Being postmenopausal doubles hepatic steatosis risk
SAN FRANCISCO – Postmenopausal status is independently associated with a twofold increased risk of hepatic steatosis, the Dallas Heart Study has shown.
Among 1,018 women aged 30-65 years enrolled in the population-based study, 48% were postmenopausal. Their prevalence of hepatic steatosis as defined by greater than 5.5% hepatic fat content measured by magnetic resonance spectroscopy was 34%. In contrast, the prevalence was significantly less at 24% in the premenopausal women, Dr. Monika Sanghavi reported at the annual meeting of the American College of Cardiology......
    

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    2013-04-09 huangdf
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