HIV感染者早期抗病毒治疗T淋巴细胞水平变化研究
2016-05-16曾长玉陈学玲胡晓远马媛媛倪明健
曾长玉,张 静,陈学玲,胡晓远,马媛媛,倪明健
830054新疆乌鲁木齐市,新疆医科大学公共卫生学院(曾长玉,张静); 新疆维吾尔自治区疾病预防控制中心(陈学玲,胡晓远,马媛媛,倪明健)
·论著·
曾长玉,张 静,陈学玲,胡晓远,马媛媛,倪明健
830054新疆乌鲁木齐市,新疆医科大学公共卫生学院(曾长玉,张静); 新疆维吾尔自治区疾病预防控制中心(陈学玲,胡晓远,马媛媛,倪明健)
【摘要】目的了解新疆维吾尔自治区伊犁州HIV感染者早期高效抗反转录病毒治疗后T淋巴细胞水平的变化情况及相关影响因素。方法选取伊犁州2008年1月—2012年12月首次参加抗病毒治疗的HIV感染者(基线T淋巴细胞计数>350个/μl)为研究对象,收集其基线情况及治疗后各随访时点(6个月、12个月、18个月、24个月)的相关资料并进行统计分析。结果共收集311例HIV感染者信息,基线T淋巴细胞计数的M(P25,P75)为440(391,525)个/μl;治疗6个月与基线、12个月与6个月、18个月与12个月的T淋巴细胞计数比较,差异均有统计学意义(Z=-6.6,P<0.01;Z=-3.6,P<0.01;Z=-2.5,P=0.01),6、8、12、24个月时的T淋巴细胞计数与基线相比分别上升了84、123、143、140个/μl;T淋巴细胞计数有随时间变化的趋势(F=31.56,P<0.01),不同基线T淋巴细胞分组治疗后T淋巴细胞计数差异有统计学意义(F=20.54,P<0.01),>500个/μl组治疗后T淋巴细胞计数增长量低于351~500个/μl组。结论早期抗病毒治疗后T淋巴细胞计数在前6个月升高幅度较大,随后升高的幅度逐渐缓慢趋于稳定;基线T淋巴细胞计数越高,免疫功能恢复越好。
【关键词】早期抗病毒治疗;T淋巴细胞;获得性免疫缺陷综合征
本研究创新点:
(1)本研究调查现场选择在新疆维吾尔自治区伊犁州,81.4%的HIV感染者为维吾尔族,使得研究对象具有较好的区域代表性。
(2) 早期抗病毒治疗已在我国部分地区开展,但相关研究仍较少,本研究旨在对早期抗病毒治疗效果进行评价,为早期治疗提供一定的依据。
1对象与方法
1.2方法
1.2.1治疗方法纳入研究的HIV感染者均按照国家统一要求的免费抗病毒治疗标准进行抗病毒治疗,用药方案为2种核苷类反转录酶抑制剂(NRTI)和1种非核苷类反转录酶抑制剂(NNRTI),即2NRTI+1NNRTI。
2结果
2.1HIV感染者的基本特征共有311例符合纳入与排除标准的HIV感染者纳入本研究。311例HIV感染者的基本特征见表1。
注:a有1例入选者未填写民族;TDF=替诺福韦,3-TC=拉米夫定,NVP=奈韦拉平,EFV=依非韦伦,D4T=司坦夫定,AZT=齐多夫定
〔M(P25,P75),个/μl〕
3讨论
作者贡献:曾长玉进行课题设计与实施、资料收集整理、撰写论文、成文并对文章负责;张静、陈学玲、胡晓远、马媛媛进行课题实施、评估、资料收集;倪明健进行质量控制及审校。
本文无利益冲突。
伦理要求:参与研究的患病个体对研究过程完全知情同意,在充分了解本治疗方案的前提下签署“知情同意书”;干预及治疗方案获新疆维吾尔自治区疾病预防控制中心伦理委员会批准。
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(本文编辑:王俊懿)
ZENGChang-yu,ZHANGJing,CHENXue-ling,etal.
CollegeofPublicHealth,XinjiangMedicalUniversity,Urumqi830054,China
【Abstract】ObjectiveTo analyze the variation ofT lymphocyte cell counts after early initiation of highly active antiretroviral therapy(HAART) among HIV- infected patients in Yili,Xinjiang and its influencing factors.MethodsThe research subjects were HIV- infected patients withT lymphocyte count >350 cell/μl who received HAART for the first time in Yili between Jan 2008 to Dec 2012,we collected baseline and follow-up(6 month,12 month,18 month,24 month) data,which were analyzed by statistical method.ResultsA total number of 311 cases were selected.The median baselineT lymphocyte countsM(P25,P75) was 440(391,525) cells/μl.The difference ofT lymphocyte counts was significant between 6 month and baseline,12 month and 6 month,18 month and 12 month(Z=-6.6,P<0.01;Z=-3.6,P<0.01;Z=-2.5,P=0.01),and after treatment theT lymphocyte counts respectively raised by 84,123,143,140 cells/μl compared with the baseline.T lymphocyte counts had a tendency to change over time(F=31.56,P<0.01),and theT lymphocyte counts was different between different baselineT lymphocyte count groups after treatment(F=20.54,P<0.01).After treatment the increment ofT lymphocyte counts in the >500 cells/μl group was less than that of the 351-500 cells/μl group.ConclusionAfterT lymphocyte counts has an obvious increase in the first six months,then increases slowly and the increasing amplitude gradually stabilizes.The patients with a higher baselineT cell counts have a better immune function recovery.
【Key words】Early antiretroviral therapy;T lymphocyte cell;Acquired immunodeficiency syndrome
基金项目:新疆维吾尔自治区科技支撑计划(201433107)
通信作者:倪明健,830011新疆乌鲁木齐市,新疆维吾尔自治区疾病预防控制中心;E-mail:xjnmj@126.com
【中图分类号】R 512.91
【文献标识码】A
doi:10.3969/j.issn.1007-9572.2016.08.002
(收稿日期:2015-08-26;修回日期:2016-01-27)
·AIDS抗病毒治疗专题研究·