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Article: Pulmonary and central nervous system pathology in fatal cases of hand foot and mouth disease caused by enterovirus A71 infection

TitlePulmonary and central nervous system pathology in fatal cases of hand foot and mouth disease caused by enterovirus A71 infection
Authors
Issue Date2016
Citation
Pathology, 2016, v. 48 n. 3, p. 267-274 How to Cite?
AbstractIn the past 17 years, neurological disease associated with enterovirus A71 (EV-A71) has increased dramatically in the Asia-Pacific region with a high fatality rate in young infants, often due to pulmonary oedema, however the mechanism of this oedema remains obscure. We analysed the brainstem, heart and lungs of 15 fatal cases of confirmed EV-A71 infection in order to understand the pathophysiological mechanism of death and pulmonary oedema. In keeping with other case studies, the main cause of death was neurogenic pulmonary oedema. In the brainstem, 11 cases showed inflammation and all cases showed parenchymal inflammation with seven cases showing moderate or severe clasmatodendrosis. No viral antigen was detected in sections of the brainstem in any of the cases. All fatal cases showed evidence of pulmonary oedema; however, there was absence of direct pulmonary viral damage or myocarditis-induced damage and EV-A71 viral antigen staining was negative. Though there was no increase in staining for Na/K-ATPase, 11 of the 15 cases showed a marked reduction in aquaporin-4 staining in the lung, and this reduction may contribute to the development of fatal pulmonary oedema.
Persistent Identifierhttp://hdl.handle.net/10722/224841

 

DC FieldValueLanguage
dc.contributor.authorWang, Z-
dc.contributor.authorNicholls, JM-
dc.contributor.authorLiu, F-
dc.contributor.authorWang, J-
dc.contributor.authorFeng, Z-
dc.contributor.authorLiu, D-
dc.contributor.authorSun, Y-
dc.contributor.authorZhou, C-
dc.contributor.authorLi, Y-
dc.contributor.authorLi, H-
dc.contributor.authorQi, S-
dc.contributor.authorHuang, X-
dc.contributor.authorSui, J-
dc.contributor.authorLiao, Q-
dc.contributor.authorPoon, SY-
dc.contributor.authorYu, H-
dc.contributor.authorWang, Y-
dc.date.accessioned2016-04-18T03:33:23Z-
dc.date.available2016-04-18T03:33:23Z-
dc.date.issued2016-
dc.identifier.citationPathology, 2016, v. 48 n. 3, p. 267-274-
dc.identifier.urihttp://hdl.handle.net/10722/224841-
dc.description.abstractIn the past 17 years, neurological disease associated with enterovirus A71 (EV-A71) has increased dramatically in the Asia-Pacific region with a high fatality rate in young infants, often due to pulmonary oedema, however the mechanism of this oedema remains obscure. We analysed the brainstem, heart and lungs of 15 fatal cases of confirmed EV-A71 infection in order to understand the pathophysiological mechanism of death and pulmonary oedema. In keeping with other case studies, the main cause of death was neurogenic pulmonary oedema. In the brainstem, 11 cases showed inflammation and all cases showed parenchymal inflammation with seven cases showing moderate or severe clasmatodendrosis. No viral antigen was detected in sections of the brainstem in any of the cases. All fatal cases showed evidence of pulmonary oedema; however, there was absence of direct pulmonary viral damage or myocarditis-induced damage and EV-A71 viral antigen staining was negative. Though there was no increase in staining for Na/K-ATPase, 11 of the 15 cases showed a marked reduction in aquaporin-4 staining in the lung, and this reduction may contribute to the development of fatal pulmonary oedema.-
dc.languageeng-
dc.relation.ispartofPathology-
dc.titlePulmonary and central nervous system pathology in fatal cases of hand foot and mouth disease caused by enterovirus A71 infection-
dc.typeArticle-
dc.identifier.emailNicholls, JM: jmnichol@hkucc.hku.hk-
dc.identifier.authorityNicholls, JM=rp00364-
dc.identifier.doi10.1016/j.pathol.2015.12.450-
dc.identifier.hkuros257596-
dc.identifier.volume48-
dc.identifier.issue3-
dc.identifier.spage267-
dc.identifier.epage274-

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