{"id":392539,"date":"2021-06-17T17:01:01","date_gmt":"2021-06-17T14:01:01","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=392539"},"modified":"2021-06-20T11:55:34","modified_gmt":"2021-06-20T08:55:34","slug":"coronavirus-cette-etude-israelienne-aux-resultats-determinants","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/fr\/coronavirus-cette-etude-israelienne-aux-resultats-determinants\/","title":{"rendered":"Coronavirus: cette \u00e9tude isra\u00e9lienne aux r\u00e9sultats d\u00e9terminants"},"content":{"rendered":"

Des chercheurs isra\u00e9liens ont d\u00e9couvert qu’un patient COVID hospitalis\u00e9 sur quatre \u00e9tait d\u00e9c\u00e9d\u00e9 parmi les personnes pr\u00e9sentant des carences en vitamine D.<\/em><\/strong><\/p>\n

Par l’\u00e9quipe d’Unis avec Isra\u00ebl<\/em><\/p>\n

Une \u00e9tude isra\u00e9lienne unique en son genre a r\u00e9v\u00e9l\u00e9 qu’une carence pr\u00e9existante en vitamine D accentuait la gravit\u00e9 du Covid-19.<\/p>\n

Plus pr\u00e9cis\u00e9ment, un patient COVID sur quatre hospitalis\u00e9 alors qu’il \u00e9tait d\u00e9ficient en vitamine D a fini par mourir, a r\u00e9v\u00e9l\u00e9 l’\u00e9tude, avec un total de 26% des patients atteints de coronavirus et d\u00e9ficients en vitamine D qui n’ont pas surv\u00e9cu.<\/p>\n

\u00c0 l’inverse, seulement 3 % des personnes sans d\u00e9ficience qui ont \u00e9t\u00e9 hospitalis\u00e9es sont d\u00e9c\u00e9d\u00e9es.<\/p>\n

Des \u00e9tudes ant\u00e9rieures sur l’association entre les niveaux de vitamine D et l’infection par le SRAS-CoV-2 ont donn\u00e9 des r\u00e9sultats mitig\u00e9s car les niveaux de vitamine D n’avaient \u00e9t\u00e9 mesur\u00e9s qu’une fois que les patients \u00e9taient d\u00e9j\u00e0 malades.<\/p>\n

Des chercheurs de la facult\u00e9 de m\u00e9decine Azrieli de l’Universit\u00e9 Bar-Ilan et de son centre m\u00e9dical affili\u00e9 Galilee ont \u00e9valu\u00e9 cette corr\u00e9lation en utilisant de faibles niveaux de vitamine D mesur\u00e9s avant l’infection et se sont concentr\u00e9s sur la gravit\u00e9 de la maladie.<\/p>\n

Les dossiers des individus avec des tests PCR positifs au COVID-19, qui ont \u00e9t\u00e9 admis entre avril 2020 et f\u00e9vrier 2021 au centre m\u00e9dical Galilee \u00e0 Nahariya enIsra\u00ebl ont \u00e9t\u00e9 recherch\u00e9s pour les niveaux de vitamine D mesur\u00e9s 14 \u00e0 730 jours avant le test positif.<\/p>\n

Sur 1 176 patients admis, les taux de vitamine D de 253 avaient \u00e9t\u00e9 enregistr\u00e9s avant l’infection au COVID-19.<\/p>\n

Par rapport aux patients l\u00e9g\u00e8rement ou mod\u00e9r\u00e9ment malades, ceux atteints d’une maladie COVID-19 s\u00e9v\u00e8re ou critique \u00e9taient plus susceptibles d’avoir une carence s\u00e9v\u00e8re en vitamine D avant l’infection avec des niveaux inf\u00e9rieurs \u00e0 20 nanogrammes par millilitre (ng\/ml).<\/p>\n

La vitamine D aide le corps \u00e0 r\u00e9guler son calcium et son phosphate et maintient les dents, les os et les muscles en bonne sant\u00e9. Pour la plupart des adultes, 20 ng\/ml est une quantit\u00e9 normale de vitamine D, bien que la quantit\u00e9 dont une personne a besoin chaque jour d\u00e9pende de son \u00e2ge.<\/p>\n

L’\u00e9tude a \u00e9t\u00e9 r\u00e9cemment publi\u00e9e sur MedRxiv et est actuellement soumise \u00e0 r\u00e9vision par un comit\u00e9 de lecture.<\/p>\n

\u00ab\u00a0Cette \u00e9tude peut mettre en \u00e9vidence les risques de carence en vitamine D en termes de COVID-19\u00a0\u00bb,<\/em> explique le Dr Amiel Dror, de GMC et de la facult\u00e9 de m\u00e9decine Azrieli de l’Universit\u00e9 Bar-Ilan, qui a dirig\u00e9 l’\u00e9tude.<\/p>\n

\u00ab\u00a0La vitamine D est souvent associ\u00e9e \u00e0 la sant\u00e9 des os. Nous avons montr\u00e9 qu’elle pouvait \u00e9galement jouer un r\u00f4le important dans d’autres processus pathologiques, tels que l’infection.<\/em>\u00a0\u00bb<\/p>\n

Le Professeur Michael Edelstein, de la Facult\u00e9 de m\u00e9decine Azrieli de l’Universit\u00e9 Bar-Ilan, a d\u00e9clar\u00e9 : \u00ab On ne sait toujours pas pourquoi certaines personnes souffrent de graves cons\u00e9quences de l’infection au COVID-19 alors que d’autres non. Notre d\u00e9couverte ajoute une nouvelle dimension \u00e0 la r\u00e9solution de cette \u00e9nigme persistante. En Isra\u00ebl, o\u00f9 la carence en vitamine D est courante dans certains groupes de population, cette d\u00e9couverte est particuli\u00e8rement importante.<\/em>\u00a0\u00bb<\/p>\n

Les auteurs affirment que le lien entre les faibles niveaux de vitamine D pr\u00e9c\u00e9dant l’infection et le COVID-19 s\u00e9v\u00e8re n’implique pas n\u00e9cessairement que l’administration de vitamine D aux patients COVID-19 r\u00e9duira le risque de maladie grave. Cependant, cela souligne la n\u00e9cessit\u00e9 de comprendre comment att\u00e9nuer l’effet de la carence en vitamine D.<\/p>\n

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Des chercheurs isra\u00e9liens ont d\u00e9couvert qu’un patient COVID hospitalis\u00e9 sur quatre \u00e9tait d\u00e9c\u00e9d\u00e9 parmi les personnes pr\u00e9sentant des carences en vitamine D. Par l’\u00e9quipe d’Unis avec Isra\u00ebl Une \u00e9tude isra\u00e9lienne unique en son genre a r\u00e9v\u00e9l\u00e9 qu’une carence pr\u00e9existante en vitamine D accentuait la gravit\u00e9 du Covid-19. Plus pr\u00e9cis\u00e9ment, un patient COVID sur quatre hospitalis\u00e9… Read more »<\/a><\/p>\n","protected":false},"author":4242,"featured_media":371655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[28418],"tags":[37426,34044,37424,28978,29798,29783,39755],"class_list":["post-392539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-israeliennes","tag-coronavirus-fr","tag-decouverte","tag-epidemie","tag-etude","tag-medecine","tag-sante","tag-vitamine-d"],"better_featured_image":{"id":371655,"alt_text":"","caption":"Shutterstock","description":"","media_type":"image","media_details":{"width":2560,"height":1707,"file":"2020\/12\/shutterstock_1790393495-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1790393495-300x200.jpg","width":300,"height":200,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-300x200.jpg"},"large":{"file":"shutterstock_1790393495-1024x683.jpg","width":1024,"height":683,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1024x683.jpg"},"thumbnail":{"file":"shutterstock_1790393495-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-150x150.jpg"},"medium_large":{"file":"shutterstock_1790393495-768x512.jpg","width":768,"height":512,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-768x512.jpg"},"1536x1536":{"file":"shutterstock_1790393495-1536x1024.jpg","width":1536,"height":1024,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1536x1024.jpg"},"2048x2048":{"file":"shutterstock_1790393495-2048x1365.jpg","width":2048,"height":1365,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-2048x1365.jpg"},"uwi-full-width":{"file":"shutterstock_1790393495-780x520.jpg","width":780,"height":520,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-780x520.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1790393495-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1790393495-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1790393495-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1790393495-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1790393495-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1790393495-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-250x170.jpg"},"uwi-email":{"file":"shutterstock_1790393495-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1790393495-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1790393495-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1790393495-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1024x768.jpg"},"uwi-ipad-x2":{"file":"shutterstock_1790393495-2048x1536.jpg","width":2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