Neurology:戊肝病毒或与神经痛性肌萎缩有关

2014-02-27 辛夷籽 丁香园

神经痛性肌萎缩(NA)是一种原因不明的急性单相型臂丛神经紊乱疾病。目前认为NA的发病机制由多因素组成,大部分患者有前驱感染史。近年来,逐渐出现并增多的戊型肝炎(HEV)感染并发急性单相神经系统疾病的病例引起了广泛的关注。 NA患者常伴不明原因的肝功能轻度异常,但这些患者未针对性做过戊肝病毒的检测。因此来自荷兰内梅亨大学医学中心神经内科的Jeroen J.J. van Eijk博士等学者进

神经痛肌萎缩(NA)是一种原因不明的急性单相型臂丛神经紊乱疾病。目前认为NA的发病机制由多因素组成,大部分患者有前驱感染史。近年来,逐渐出现并增多的戊型肝炎(HEV)感染并发急性单相神经系统疾病的病例引起了广泛的关注。

NA患者常伴不明原因的肝功能轻度异常,但这些患者未针对性做过戊肝病毒的检测。因此来自荷兰内梅亨大学医学中心神经内科的Jeroen J.J. van Eijk博士等学者进行戊肝病毒感染与神经痛性肌萎缩间关系的研究,研究结果发表在2月11日出版的Neurology杂志上。

研究包括回顾性队列研究(2011-2013,纳入28例康沃尔NA病人)和前瞻性队列研究(2004-2007,纳入38例荷兰NA病人)。收集这些病人的急性期血清标本,检查其中抗HEV IgM,IgG抗体,并用荧光定量PCR检测 HEV-RNA。

研究发现,47例血清样本合格的神经痛性肌萎缩患者中,共5例(10.6%)有急性戊型肝炎病毒感染,其中4例,HEV-RNA阳性。所有戊型肝炎病毒感染并发神经痛性肌萎缩的患者都有涉及双侧臂丛神经的临床及电生理证据。抗HEV IgM 阳性,与年龄,性别,病情严重程度,病程及结局无关。

来自英国和荷兰的神经痛性肌萎缩患者中,近10%并发急性戊型肝炎病毒感染,为戊肝病毒与神经痛性肌萎缩相关提供了证据。但仍需进一步研究其它地区戊肝病毒在神经痛性肌萎缩中的作用,并确定相关病理生理机制。 

原始出处

van Eijk JJ1, Madden RG, van der Eijk AA, Hunter JG, Reimerink JH, Bendall RP, Pas SD, Ellis V, van Alfen N, Beynon L, Southwell L, McLean B, Jacobs BC, van Engelen BG, Dalton HR.Neuralgic amyotrophy and hepatitis E virus infection.Neurology. 2014 Feb 11


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    2014-07-25 yinhl1978
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    2014-04-24 chendoc252
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    2014-03-01 贵阳

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