COVID-19 GRAVE, UMA DOENÇA IMUNOLÓGICA.

Autores

  • Luiz Fabrício Moura Marques
  • Ana Carolina Miranda Ferreira Rodrigues

DOI:

https://doi.org/10.51161/rems/987

Palavras-chave:

Citocinas, Covid-19, Inflamação, Tratamento, Resposta Exacerbada

Resumo

Introdução: Desde o final de 2019, o maior objetivo da imunologia tem sido desvendar os mecanismos fisiopatológicos da COVID-19 e a formação de anticorpos contra o Sars-CoV-2. Atualmente, caracterizada como uma doença infecciosa viral, a COVID-19 pode ter como principal causa de agravamento a resposta imune desregulada, conforme estudos recentes têm apontado. Objetivos: Demonstrar que a COVID-19 é, de fato, uma doença imunológica desencadeada por um patógeno viral. Material e métodos: Revisão sistemática nas bases de dados PubMed, LILACS, SciELO, Science, MDPI e medRxiv, nas quais foram identificados 37 artigos, dos quais cinco foram incluídos na amostra final. Resultados: Da busca bibliográfica, desde Janeiro de 2020 mais de 170 artigos correlacionam casos graves de COVID-19 com uma resposta imunológica exacerbada e descontrolada. Estudos indicam que a desregulação da resposta imune de uma parcela de pessoas pode provocar uma tempestade de citocinas que resulta em dano tecidual disseminado, agregação plaquetária e disfunção endotelial, contribuindo com a formação de microtrombos e, consequentemente, com suas complicações. Em comparação com outras infecções disseminadas, como a Sepse por exemplo, na condução da COVID-19 não há critérios e nem parâmetros laboratoriais e/ou clínicos que indiquem a conduta adequada no momento certo para conter a progressão da doença. Conclusão: A definição fisiopatológica da COVID-19 como sendo uma doença infecciosa viral, cai por terra quando analisada do ponto de vista da resposta imunológica que essa infecção provoca. É sabido que a resposta humoral do sistema imune necessita de um certo tempo, após o contato com o patógeno, para que haja a produção de anticorpos, e dessa forma, o uso precipitado de corticoides de maneira preventiva, pode inibir a resposta adaptativa impedindo apresentação de antígeno aos linfócitos B. Em contra partida, a postergação prolongada da administração desses fármacos pode ser incapaz de conter uma resposta imunológica já fora de controle. Sendo assim, ainda na falta de um protocolo nacional de tratamento e critérios adequados para a conduta dessa doença, talvez focar em conter a inflamação no tempo certo possa ser uma opção eficaz.

Publicado

2021-04-24

Como Citar

Marques, L. F. M., & Rodrigues , A. C. M. F. (2021). COVID-19 GRAVE, UMA DOENÇA IMUNOLÓGICA. Revista Multidisciplinar Em Saúde, 2(2), 45. https://doi.org/10.51161/rems/987

Edição

Seção

Anais do Congresso Brasileiro de Imunologia On-line
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   PKPPageRouter.route(Object:Request) % line  143, file: Dispatcher.inc.php
Dispatcher.dispatch(Object:Request) % line  281, file: PKPApplication.inc.php
PKPApplication.execute() % line   68, file: index.php
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                                             SubmissionSearch._getMergedArray(Object:Journal, Array[1], null, null) % line  263, file: SubmissionSearch.inc.php
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            PKPTemplateManager.display(frontend/pages/article.tpl) % line  292, file: ArticleHandler.inc.php
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   PKPPageRouter.route(Object:Request) % line  143, file: Dispatcher.inc.php
Dispatcher.dispatch(Object:Request) % line  281, file: PKPApplication.inc.php
PKPApplication.execute() % line   68, file: index.php
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                                                         SubmissionSearch._getMergedPhraseResults(Object:Journal, Array[1], , null, null, 500, 1) % line  146, file: SubmissionSearch.inc.php
                                                      SubmissionSearch._getMergedKeywordResults(Object:Journal, Array[4], , null, null, 500, 1) % line  194, file: SubmissionSearch.inc.php
                                                   SubmissionSearch._getMergedPhraseResults(Object:Journal, Array[4], null, null, null, 500, 1) % line  146, file: SubmissionSearch.inc.php
                                                SubmissionSearch._getMergedKeywordResults(Object:Journal, Array[3], null, null, null, 500, 1) % line  132, file: SubmissionSearch.inc.php
                                             SubmissionSearch._getMergedArray(Object:Journal, Array[1], null, null) % line  263, file: SubmissionSearch.inc.php
                                          SubmissionSearch.retrieveResults(Object:Request, Object:Journal, Array[1], null, null, null, Object:DBResultRange, Array[1]) % line   92, file: RecommendBySimilarityPlugin.inc.php
                                       RecommendBySimilarityPlugin.callbackTemplateArticlePageFooter(Templates::Article::Footer::PageFooter, Array[3]) % line  107, file: HookRegistry.inc.php
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            PKPTemplateManager.display(frontend/pages/article.tpl) % line  292, file: ArticleHandler.inc.php
         ArticleHandler.view(Array[1], Object:Request) % line  391, file: PKPRouter.inc.php
      PKPRouter._authorizeInitializeAndCallRequest(Array[2], Object:Request, Array[1], false) % line  231, file: PKPPageRouter.inc.php
   PKPPageRouter.route(Object:Request) % line  143, file: Dispatcher.inc.php
Dispatcher.dispatch(Object:Request) % line  281, file: PKPApplication.inc.php
PKPApplication.execute() % line   68, file: index.php
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                                                      SubmissionSearch._getMergedKeywordResults(Object:Journal, Array[4], , null, null, 500, 1) % line  194, file: SubmissionSearch.inc.php
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            PKPTemplateManager.display(frontend/pages/article.tpl) % line  292, file: ArticleHandler.inc.php
         ArticleHandler.view(Array[1], Object:Request) % line  391, file: PKPRouter.inc.php
      PKPRouter._authorizeInitializeAndCallRequest(Array[2], Object:Request, Array[1], false) % line  231, file: PKPPageRouter.inc.php
   PKPPageRouter.route(Object:Request) % line  143, file: Dispatcher.inc.php
Dispatcher.dispatch(Object:Request) % line  281, file: PKPApplication.inc.php
PKPApplication.execute() % line   68, file: index.php
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                                                         SubmissionSearch._getMergedPhraseResults(Object:Journal, Array[1], , null, null, 500, 1) % line  146, file: SubmissionSearch.inc.php
                                                      SubmissionSearch._getMergedKeywordResults(Object:Journal, Array[4], , null, null, 500, 1) % line  194, file: SubmissionSearch.inc.php
                                                   SubmissionSearch._getMergedPhraseResults(Object:Journal, Array[4], null, null, null, 500, 1) % line  146, file: SubmissionSearch.inc.php
                                                SubmissionSearch._getMergedKeywordResults(Object:Journal, Array[3], null, null, null, 500, 1) % line  132, file: SubmissionSearch.inc.php
                                             SubmissionSearch._getMergedArray(Object:Journal, Array[1], null, null) % line  263, file: SubmissionSearch.inc.php
                                          SubmissionSearch.retrieveResults(Object:Request, Object:Journal, Array[1], null, null, null, Object:DBResultRange, Array[1]) % line   92, file: RecommendBySimilarityPlugin.inc.php
                                       RecommendBySimilarityPlugin.callbackTemplateArticlePageFooter(Templates::Article::Footer::PageFooter, Array[3]) % line  107, file: HookRegistry.inc.php
                                    HookRegistry.call(Templates::Article::Footer::PageFooter, Array[3]) % line 1267, file: PKPTemplateManager.inc.php
                                 PKPTemplateManager.smartyCallHook(Array[1], Object:Smarty_Internal_Template) % line   43, file: 42362804174f266c598cdb32c3208fc745b92101^1c372c95cd85572e0fbc9a53d0323a0b229cfc78_0.app.frontendpagesarticle.tpl.php
                              content_6781613650b432_13896783(Object:Smarty_Internal_Template) % line  123, file: smarty_template_resource_base.php
                           Smarty_Template_Resource_Base.getRenderedTemplateCode(Object:Smarty_Internal_Template) % line  114, file: smarty_template_compiled.php
                        Smarty_Template_Compiled.render(Object:Smarty_Internal_Template) % line  216, file: smarty_internal_template.php
                     Smarty_Internal_Template.render(false, 1) % line  232, file: smarty_internal_templatebase.php
                  Smarty_Internal_TemplateBase._execute(Object:Smarty_Internal_Template, null, 42362804174f266c598cdb32c3208fc745b92101, null, 1) % line  134, file: smarty_internal_templatebase.php
               Smarty_Internal_TemplateBase.display(frontend/pages/article.tpl, null, 42362804174f266c598cdb32c3208fc745b92101, null) % line  924, file: PKPTemplateManager.inc.php
            PKPTemplateManager.display(frontend/pages/article.tpl) % line  292, file: ArticleHandler.inc.php
         ArticleHandler.view(Array[1], Object:Request) % line  391, file: PKPRouter.inc.php
      PKPRouter._authorizeInitializeAndCallRequest(Array[2], Object:Request, Array[1], false) % line  231, file: PKPPageRouter.inc.php
   PKPPageRouter.route(Object:Request) % line  143, file: Dispatcher.inc.php
Dispatcher.dispatch(Object:Request) % line  281, file: PKPApplication.inc.php
PKPApplication.execute() % line   68, file: index.php

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