{"id":9784,"date":"2021-03-08T10:16:20","date_gmt":"2021-03-08T13:16:20","guid":{"rendered":"https:\/\/portaldasaudenews.com\/?p=9784"},"modified":"2021-03-08T10:16:20","modified_gmt":"2021-03-08T13:16:20","slug":"pesquisa-brasileira-avalia-efeitos-do-estresse-em-pacientes-com-covid-19","status":"publish","type":"post","link":"https:\/\/portaldasaudenews.com\/?p=9784","title":{"rendered":"Pesquisa brasileira avalia efeitos do estresse em pacientes com Covid-19"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Pesquisadores da Escola de Medicina da Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR) realizaram uma pesquisa para avaliar os efeitos do estresse\u00a0oxidativo em pacientes com quadro grave de Covid-19. Ap\u00f3s 77 pessoas serem analisadas, o estudo concluiu que a gravidade da doen\u00e7a n\u00e3o \u00e9 fator determinante para provocar mudan\u00e7as no sistema de defesa antioxidante.<\/p>\n<p>Segundo a PUC, essa \u00e9 a primeira pesquisa a apontar para essa conclus\u00e3o. No entanto, o posicionamento n\u00e3o \u00e9 definitivo, pois outras pesquisas sugerem que o estresse oxidativo pode sim agravar v\u00e1rias doen\u00e7as.<\/p>\n<p>Durante a pesquisa, os pacientes, que estavam internados em um hospital em Curitiba, foram divididos entre os grupos com quadro de sa\u00fade moderado e com situa\u00e7\u00e3o grave. No per\u00edodo avaliado concluiu-se que as pessoas com alta contagem de leuc\u00f3citos e altos \u00edndices de\u00a0PCR\u00a0(Prote\u00edna C-reativa) permaneceram internados por mais tempo. Contudo, n\u00e3o foi encontrada rela\u00e7\u00e3o entre a gravidade do quadro e o n\u00edvel de estresse oxidativo.<\/p>\n<p>O estresse oxidativo ocorre a partir do desequil\u00edbrio entre a forma\u00e7\u00e3o de radicais livres, mol\u00e9culas respons\u00e1veis por enfermidades, e a capacidade antioxidante (prote\u00e7\u00e3o) das c\u00e9lulas. Dessa forma, s\u00e3o formados mais radicais do que antioxidantes, causado danos \u00e0s c\u00e9lulas e provocando o desenvolvimento e o agravamento de v\u00e1rias doen\u00e7as.<\/p>\n<p>Os radicais livres tamb\u00e9m s\u00e3o necess\u00e1rios para as c\u00e9lulas e s\u00e3o produzidos naturalmente pelo organismo. No entanto, infec\u00e7\u00f5es podem aumentar a produ\u00e7\u00e3o dos radicais.<\/p>\n<p>O estudo foi publicado revista cient\u00edfica internacional\u00a0<span style=\"color: #008000;\">Free Radical Biology &amp; Medicine.<\/span> (Com Ag\u00eancia Brasil)<\/p>\n<p>&nbsp;<\/p>\n<p>Foto: <span class=\"UVj36\">demaerre\u00a0<\/span>|\u00a0<span class=\"UVj36\">Cr\u00e9dito:\u00a0Getty Images\/iStockphoto<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Pesquisadores da Escola de Medicina da Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR) realizaram uma<\/p>\n","protected":false},"author":1,"featured_media":9786,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4,15],"tags":[],"class_list":["post-9784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bem-estar","category-saude-mental"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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