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柯萨奇病毒A组6型、肠道病毒A71型所致手足口病脑炎患儿脑脊液白细胞介素6和血清人类白细胞DR抗原mRNA的动态变化 被引量:10

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摘要 目的动态监测柯萨奇病毒 A 组6 型( coxsackievirus A6,CV-A6)、肠道病毒 A71 型(enterovirus A71,EV-A71)所致手足口病脑炎患儿脑脊液白细胞介素(interleukin, IL)-6、血清人类白细胞DR抗原(human lenkoyte antigen-DR, HLA-DR)mRNA水平的变化和临床意义.方法采用分层随机抽样方法选取2017年3月至2018年9月山东省聊城市人民医院感染科收治的手足口病患儿,其中EV-A71感染组40例,CV-A6感染组40例,选择同期高热惊厥患儿20例.应用ELISA法检测各组患儿脑脊液中IL-6表达水平,反转录PCR检测各组血清HLA-DR mRNA的表达.结果 CV-A6组、EV-A71组患儿脑炎期脑脊液白细胞计数均高于高热惊厥组[(98.558 ±36.165 )、(75.038 ±42.390)×10^9/L比(2.750 ±1.650)×10^9/L],差异均有统计学意义(t值分别为11.791和7.591,均P<0.05);CV-A6组和EV-A71组恢复期脑脊液白细胞计数均低于脑炎期[分别为(8.450 ±6.038)×10^9/L比(98.558 ±36.165)× 10^9/L和(7.300 ±5.244)×10^9/L比(75.038 ±42.390)×10^9/L],差异均有统计学意义( t 值分别为16.470和11.104,均P<0.05). CV-A6组、EV-A71组患儿脑炎期脑脊液IL-6水平分别为(113.855 ± 46.412)和(80.080 ±42.101) ng/L,均高于高热惊厥组的(13.515 ±11.714) ng/L,差异均有统计学意义(t值分别为9.481和6.911,均P<0.05);CV-A6组、EV-A71组恢复期脑脊液IL-6水平分别为(4.298 ± 2.446) ng/L、(2.990 ±1.904) ng/L,均低于脑炎期,差异均有统计学意义(t值分别为15.318和11.653,均P<0.05). CV-A6组、EV-A71组患儿脑炎期血清HLA-DR mRNA分别为(15.743 ±3.494)和(14.838 ± 6.136) U/mL,均低于高热惊厥组的(24.910 ±3.450) U/mL,差异均有统计学意义(t值分别为-9.621和-6.805,均P<0.05),CV-A6 组、EV-A71 组恢复期血清HLA-DR mRNA分别为(22.005 ±2.989)和(21.740 ±1.952) U/mL,均高于脑炎期,差异均有统计学意义( t值分别为-9.946和-6.984,均P<0.05).脑炎期CV-A6组、EV-A71组脑脊液IL-6与脑脊液白细胞计数均呈正相关(r值分别为0.677和0.782,均P<0.05).脑炎期CV-A6组、EV-A71组血清HLA-DR mRNA与脑脊液白细胞计数均呈负相关(r值分别为-0.749和-0.509,均P<0.05).脑脊液IL-6和血清HLA-DR mRNA诊断CV-A6组患儿脑炎的受试者工作特征曲线下面积分别为0.968(95%CI:0.930~1.005)和0.964(95%CI:0.930~1.003);脑脊液IL-6和血清HLA-DR mRNA诊断EV-A71组患儿脑炎的受试者工作特征曲线下面积分别为0.951(95%CI:0.903~1.000)和0.910(95%CI:0.838~0.982).结论脑脊液IL-6和血清HLA-DR mRNA可作为CV-A6、EV-A71所致手足口病脑炎严重程度的评价指标,对重症病例的筛选与鉴别诊断均有重要的临床价值.
出处 《中华传染病杂志》 CAS CSCD 2019年第5期292-295,共4页 Chinese Journal of Infectious Diseases
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