J Hepatol:较低的皮下脂肪组织指数与女性肝硬化患者死亡率风险较高相关

2018-09-20 MedSci MedSci原创

较低的SATI与女性肝硬化患者死亡率较高有关。皮下脂肪组织具有良好的代谢特征——低脂的脂肪组织可能反映了这个主要能量库的耗竭,导致了不良的临床结果。

研究背景:身体的两个主要部分,骨骼肌和脂肪组织,表现出独立的功能。本研究的目的是探索女性肝硬化患者骨骼肌、内脏和皮下脂肪组织的预后意义。

研究方法:从677例患者的第三腰椎CT图像中,量化3个身体成分指数(cm2/m2),即内脏脂肪组织指数,皮下脂肪组织指数(SATI)和骨骼肌指数(SMI)。采用Cox比例和能力分析危险模型进行评估,以评估死亡率与身体成分之间的关系。

研究结果:研究纳入的大部分患者为男性,占67%,平均年龄为57±7岁,终末期肝病评分为14±8,平均身体质量指数为27±6kg/m2。两性间虽然身体质量指数相似,但是女性的SMI 相对男性SMI指数更高(53±12 vs. 45±9cm2/m2);而SATI (67±52和48±37 cm2/m2)在女性中较高(p均小于0.001)。在对MELD评分和其他混杂变量进行调整后,在性别分层的多元分析中,女性(危险比HR 0.99;95%可信区间0.98 -1.00; p=0.01)和男性SMI(HR 0.98;95%可信区间0.96 - -1.00;p=0。02)是发生死亡的重要预测因子。女性患者SATI较低(<60cm2/m2)与死亡风险较高相关 (HR 2.06; 95% CI 1.08-3.91; p=0.03)。在调整了MELD和其他混杂因素后,竞争风险分析表明,较低的SATI也是一个独立的死亡率预测因子(亚分布 HR 2.80;95%可信区间1.28 —6.12,p=0.01)。

研究结论:较低的SATI与女性肝硬化患者死亡率较高有关。皮下脂肪组织具有良好的代谢特征——低脂的脂肪组织可能反映了这个主要能量库的耗竭,导致了不良的临床结果。

原始出处


Ebadi M, Tandon P, Moctezuma-Velazquez C, et al. Low subcutaneous adiposity associates with higher mortality in female patients with cirrhosis. Hepatol, 2018, 69(3), 608-616.

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    2018-09-22 gwc384
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    2018-09-21 guging

    谢谢!最新的信息读起来就是收获大

    0

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    2018-09-20 天地飞扬

    了解一下,谢谢分享!

    0

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