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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Infecção pelo vírus Zika em uma população da Amazônia Ocidental Brasileira: estudo da resposta imune, características clínicas e de diagnóstico

Abdalla, Ligia Fernandes, 92991246677 26 September 2018 (has links)
Submitted by Taiwany Oliveira (taiwanyrodriguess@gmail.com) on 2018-10-22T14:48:18Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) TESE DE DOUTORADO LIGIA FERNANDES ABDALLA.pdf: 4835970 bytes, checksum: 41de8abe90eea5b202c2800675761f12 (MD5) / Approved for entry into archive by Marcos Roberto Gomes (mrobertosg@gmail.com) on 2018-10-22T15:27:12Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) TESE DE DOUTORADO LIGIA FERNANDES ABDALLA.pdf: 4835970 bytes, checksum: 41de8abe90eea5b202c2800675761f12 (MD5) / Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2018-10-23T14:07:04Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) TESE DE DOUTORADO LIGIA FERNANDES ABDALLA.pdf: 4835970 bytes, checksum: 41de8abe90eea5b202c2800675761f12 (MD5) / Made available in DSpace on 2018-10-23T14:07:04Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) TESE DE DOUTORADO LIGIA FERNANDES ABDALLA.pdf: 4835970 bytes, checksum: 41de8abe90eea5b202c2800675761f12 (MD5) Previous issue date: 2018-09-26 / Zika virus (ZIKV) is an emergent arbovirus of the family Flaviviridae and the genus Flavivirus, which until 2007 was restricted to some cases of mild disease in Africa and Asia. In Brazil, it`s suspected that the entry of the virus occurred during the 2013 Confederations Cup and in the first half of 2015, there were already confirmed cases in states in all regions of the country. The Brazilian epidemic revealed that the usually mild and self-limiting infection could be related to neurological disorders. The objectives of this study were to clarify numerous questions regarding ZIKV infection, aiming to contribute to a better understanding of the mechanisms involved in the immunopathogenesis and course of the disease. As a result, the first report of atrial fibrillation in patients with Zika was described and could be considered an atypical manifestation during the virus infection; elevation of proinflammatory cytokines during ZIKV infection was observed; CXCL10 chemokine was identified as a potential biomarker for infection; saliva was characterized as the fluid of choice for the detection of Zika virus in the acute phase of the disease and a logistic regression model for the classification of cases of zika in relation to dengue was set up based on the clinical evaluation. / O Zika virus (ZIKV) é um arbovírus emergente da família Flaviviridae e do gênero Flavivirus, que até 2007 estava restrito a alguns casos de doença leve na África e na Ásia. No Brasil, suspeita-se que a entrada do vírus tenha se dado durante a Copa das Confederações de 2013 e no primeiro semestre de 2015, já havia casos confirmados em estados de todas as regiões do país. A epidemia brasileira revelou que a infecção geralmente leve e autolimitada poderia estar relacionada à distúrbios neurológicos. Os objetivos deste trabalho era esclarecer inúmeros questionamentos existentes em relação à infecção pelo ZIKV, visando contribuir com uma melhor compreensão dos mecanismos envolvidos na imunopatogênese e curso da doença. Como resultados, descreveu-se o primeiro relato de fibrilação atrial em pacientes com Zika, podendo ser considerado uma manifestação atípica durante a infecção pelo vírus; observou-se elevação de citocinas pró-inflamatórias durante a infecção ZIKV; identificou-se a quimiocina CXCL10 como um biomarcador potencial de infecção; caracterizou-se a saliva como fluído de escolha para o detecção do vírus Zika na fase aguda da doença e, montouse um modelo de regressão logística para a classificação de casos de zika em relação à dengue, com base na avaliação clínica.

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