Registered in more than 120 countries, it is considered a global epidemic, a. Infeccao pelo virus da zika etiologia bmj best practice. A fisiopatologia causada pelo virus da dengue arboviroses. Fisiopatologia del dengue enfermedades y trastornos. O virus da dengue multiplicase no intestino medio do vetor e chega ate as suas glandulas salivares. Randomized comparison of oxygen mask treatment vs nasal continuous positive airway pressure in dengue shock syndrome with acute respiratory failure.
Dengue virus denv belongs to the flaviviridae family, it is transmitted by mosquitos of the aedes genus, which has a worldwide distribution. Chikv, arbovirus, virus spread, diagnosis, treatment and prevention. Fisiopatologia del dengue pdf has a functional interface that allows you to easily choose which sections of the registry to scour, including bunk file associations, junk help files, and faulty activex items. For patients with suspected dengue or zika virus disease, nucleic acid amplification tests naats are the. Virus dengue 2 complejo formado por anticuerpo no neutralizante y virus dengue 2.
There are four variations of this virus, the denv1, denv2, denv3 and denv4 subtypes. Dengue is a viral disease that has become a major public health problem in brazil and the world. Surprising new dengue virus throws a spanner in disease control efforts. Dengue epidemiologia, fisiopatologia, evolucao e tratamento. Apos serem inoculados atraves da picada do mosquito, os virus do dengue fazem uma primeira replicacao em celulas musculares estriadas, lisas e fibroblastos, bem como em linfonodos locais. Severe dengue most commonly occurs among infants and patients with secondary dengue virus denv infections i. It is a rna virus, with tropism for multiple human cells, with a wellestablished and studied viral cycle. The man becomes infected through the bite of the female hematophagous mosquito aedesaegypti. Coinfection with zika and dengue viruses in 2 patients.
This flavivirus is a single strand rna virus that after their translation and replication in host cells produces three structural and seven nonstructural. May 18, 2016 this feature is not available right now. Seguindo tal multiplicacao, tem inicio viremia, disseminandose por todo o organismo. Apos a picada do mosquito, iniciase a replicacao viral nas celulas estriadas, lisas, fibroblastos e linfonodos locais, a seguir ocorre a disseminacao do virus no organismo, infectando predominantemente celulas do sistema reticuloendotelial baco, figado e medula ossea. In venezuela, the dengue virus serotypes 1, clwsico and 4 are endemic, they circulate simultaneously throughout the year in the largest cities 3however severe epidemics of dengue or dhf in venezuela have been shown to be the result of the introduction of dengue virus. Every year, dengue virus denv infections cause more than 50 million cases, 500,000 hospitalizations, and 12,500 deaths worldwide. Dengue and zika virus diagnostic testing for patients with. The most widely cited hypothesis for this occurrence is antibody dependent enhancement ade of. A suscetibilidade em relacao a febre hemorragica da dengue fhd nao esta totalmente esclarecida. Etiologia, patogenese e suas implicacoes a nivel global. In venezuela, the dengue virus serotypes 1, clwsico and 4 are endemic, they circulate simultaneously throughout the year in the largest cities 3however severe epidemics of dengue or dhf in venezuela have been shown to be the result of the introduction of dengue virus serotype 3 in 4. Dengue virus and dengue pathophysiology part 2 youtube. It is a rna virus, with tropism for multiple human cells, with a wellestablished and.
Denv belongs to the genus flavivirus and is transmitted by aedes spp. Dengue virus denv is responsible for the clinical entity known as dengue that is a great concern for economy and public health of tropical countries. It is clinically manifested as a subclinical infection, with undifferentiated fever the socalled dengue fever, and in a small number of individuals the dengue hemorrhagic feverdengue shock syndrome. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The new clinical classifications are dengue and severe dengue. Tres teorias mais conhecidas tentam explicar sua ocorrencia 1. Apos a inoculacao do virus atraves da picada do mosquito, a primeira replicacao ocorre em linfonodos locais, celulas musculares estriadas e lisas e fibroblastos. Dengue is the most prevalent arthropodborne viral disease in tropical and subtropical countries.
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