JID:HCV血清阳性增加HIV患者患慢性肾病的风险

2013-09-10 潘风雨无阻 dxy

美国的HIV感染患者中,有25%-30%合并丙型肝炎病毒(HCV)感染。流行病学研究显示,HCV血清阳性与慢性肾病(CKD,chronic kidney disease)和终末期肾病风险升高相关。尽管HIV感染者的HCV清除率较低,但仍有20%HCV感染者能摆脱病毒血症。为探究持续的HCV病毒血症对CKD风险的影响,来自美国巴尔的摩约翰霍普金斯大学的Gregory M. Lucas等人做了一项研究

美国的HIV感染患者中,有25%-30%合并丙型肝炎病毒(HCV)感染。流行病学研究显示,HCV血清阳性与慢性肾病(CKD,chronic kidney disease)和终末期肾病风险升高相关。尽管HIV感染者的HCV清除率较低,但仍有20%HCV感染者能摆脱病毒血症。为探究持续的HCV病毒血症对CKD风险的影响,来自美国巴尔的摩约翰霍普金斯大学的Gregory M. Lucas等人做了一项研究,该研究结果在线发表于2013年7月31的Journal of Infectious Diseases上。研究发现, HCV血清阳性增加HIV患者患慢性肾病的风险。【原文下载

该研究比较了大样本HIV感染者人群中的CKD发病率,分为HCV血清阴性组、HCV病毒血症组(可测到HCV RNA)、HCV 无病毒血症组(HCV 血清阳性,但无法测到HCV RNA)。根据标准定义3期和5期CKD,并将GFR持续比基准水平低25%且其值小于60ml/min/1.73m2的慢性肾病定义为进展性CKD。研究者用Cox 模型计算了校正风险比(HR)和95% 的可信区间(CI)。

研究中共有52602例HCV血清阴性,9508例HCV病毒血症,913例HCV无病毒血症。研究结果发现,与HCV血清阴性人群相比,HCV病毒血症者的3期CKD、5期CKD和进展性CKD风险均有所升高,HR分别为1.36、1.95和1.31。同样HCV无病毒学症人群患3期CKD、5期CKD和进展性CKD的风险也均有上升,HR分别为1.19、1.69和1.31。

该研究结果表明,与HCV血清阴性的HIV感染者相比,HCV病毒血症和HCV无病毒血症的个体患中度和进展性CKD的风险升高。

研究背景

丙型肝炎病毒(HCV)血清阳性与慢性肾病(CKD,chronic kidney disease)和终末期肾病的风险升高相关,其可能存在的机制包括如下几个方面:第一,HCV与免疫活化和免疫复合物肾小球肾炎有关;第二,与HCV持续存在相关的进展性肝病可能导致肝肾综合征;第三,HCV与糖尿病风险的升高有关,而糖尿病是CKD和终末期肾病的主要病因。此外,HCV与CKD之间的关系也可能因海洛因或可卡因的使用、低社会经济状态或其他与CKD和终末期肾病相关的因子而受影响。

原文下载

Lucas GM, Jing Y, Sulkowski M, Abraham AG, Estrella MM, Atta MG, Fine DM, Klein MB, Silverberg MJ, Gill MJ, Moore RD, Gebo KA, Sterling TR, Butt AA; Hepatitis C Viremia and the Risk of Chronic Kidney Disease in HIV-Infected Individuals.J Infect Dis. 2013 Sep 4. 【原文下载

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    2013-11-27 紫砂壶
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    2013-09-12 ymljack
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