{"id":14019,"date":"2026-02-12T01:12:14","date_gmt":"2026-02-12T00:12:14","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/au-dessus-dun-certain-poids-le-risque-dinfections-graves-augmente-comment-les-prevenir\/"},"modified":"2026-02-12T01:12:16","modified_gmt":"2026-02-12T00:12:16","slug":"au-dessus-dun-certain-poids-le-risque-dinfections-graves-augmente-comment-les-prevenir","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/au-dessus-dun-certain-poids-le-risque-dinfections-graves-augmente-comment-les-prevenir\/","title":{"rendered":"Au-dessus d&rsquo;un certain poids, le risque d&rsquo;infections graves augmente : comment les pr\u00e9venir"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"00942120a20200\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les personnes en surpoids important courent un risque consid\u00e9rablement accru de souffrir d\u2019une maladie grave, voire de mourir, en cas d\u2019infection. Cela provient d\u2019une analyse des donn\u00e9es de sant\u00e9 de plus de 540 000 patients en Grande-Bretagne et en Finlande.<\/p>\n<\/div>\n<div data-hk=\"00942120a20210\" class=\"Html-Block\" data-qa-article-content-text>\n<p>M\u00eame si un l\u00e9ger surpoids n\u2019augmente que l\u00e9g\u00e8rement le risque, celui-ci est environ trois fois plus \u00e9lev\u00e9 pour les personnes atteintes d\u2019ob\u00e9sit\u00e9 de cat\u00e9gorie 3 que pour les personnes de poids normal. L&rsquo;\u00e9tude men\u00e9e par un groupe dirig\u00e9 par Mika Kivim\u00e4ki de l&rsquo;University College London et Solja Nyberg de l&rsquo;Universit\u00e9 d&rsquo;Helsinki a \u00e9t\u00e9 publi\u00e9e dans la revue \u00ab The Lancet \u00bb.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a20230\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>L&rsquo;ob\u00e9sit\u00e9 augmente consid\u00e9rablement le risque d&rsquo;infections graves<\/h2>\n<p>Le point de d\u00e9part de l\u2019\u00e9tude \u00e9tait des observations faites il y a quelques ann\u00e9es : \u00ab Des \u00e9tudes men\u00e9es pendant la pand\u00e9mie de Covid-19 ont montr\u00e9 que les personnes en surpoids pr\u00e9sentaient un risque plus \u00e9lev\u00e9 de d\u00e9velopper une infection par le Sars-Cov-2, ce qui se traduisait par une augmentation des s\u00e9jours \u00e0 l\u2019h\u00f4pital et une mortalit\u00e9 plus \u00e9lev\u00e9e \u00bb, \u00e9crit l\u2019\u00e9quipe.<\/p>\n<\/div>\n<div data-hk=\"00942120a20240\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Il n\u2019est toutefois pas clair si cela s\u2019applique \u00e9galement \u00e0 d\u2019autres maladies infectieuses. L\u2019\u00e9quipe dirig\u00e9e par Kivim\u00e4ki et Nyberg a donc utilis\u00e9 les donn\u00e9es de sant\u00e9 de deux bases de donn\u00e9es finlandaises et de la \u00ab UK Biobank \u00bb britannique pour \u00e9tudier le lien entre le surpoids et l\u2019ob\u00e9sit\u00e9 et une \u00e9volution grave des infections telles que l\u2019hospitalisation ou m\u00eame la mort.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20260\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"00942120a2026104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div class=\"Ad-Col col-lg-5\">\n<aside data-hk=\"00942120a2026204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div data-hk=\"00942120a20270\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les auteurs ont examin\u00e9 en d\u00e9tail dix maladies infectieuses. Dans la plupart de ces maladies, notamment <\/p>\n<\/div>\n<div data-hk=\"00942120a20280\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li>Grippe,<\/li>\n<li>COVID 19,<\/li>\n<li>Pneumonie,<\/li>\n<li>Gastro-ent\u00e9rite,<\/li>\n<li>Infections des voies urinaires<\/li>\n<li>et les infections des voies respiratoires inf\u00e9rieures, <\/li>\n<\/ul>\n<p>Ils ont constat\u00e9 que les personnes ob\u00e8ses \u00e9taient hospitalis\u00e9es ou mouraient plus souvent que les personnes ayant un indice de masse corporelle (IMC) sain. <\/p>\n<\/div>\n<div data-hk=\"00942120a20290\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>M\u00eame un l\u00e9ger surpoids augmente le risque d\u2019infections graves<\/h2>\n<p>L&rsquo;analyse a montr\u00e9 qu&rsquo;un l\u00e9ger surpoids augmente le risque d&rsquo;infections graves, voire mortelles. <strong>dix<\/strong> (Finlande) respectivement <strong>13 pour cent<\/strong> (Grande-Bretagne) a augment\u00e9. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1004\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a110\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Pour l\u2019ob\u00e9sit\u00e9 de cat\u00e9gorie 1 (IMC 30 \u00e0 34,9), le risque \u00e9tait d\u00e9j\u00e0 d\u2019environ <strong>47<\/strong> (Finlande) et<strong> 53 pour cent<\/strong> (Grande-Bretagne) plus \u00e9lev\u00e9 que chez les personnes de poids normal. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a120\" class=\"Html-Block\" data-qa-article-content-text>\n<p>L&rsquo;ob\u00e9sit\u00e9 de cat\u00e9gorie 3 (IMC sup\u00e9rieur \u00e0 40) a conduit \u00e0 un <strong>2,69x<\/strong> (Finlande) et <strong>3,07x<\/strong> (Royaume-Uni) risque accru. D&rsquo;autres facteurs tels que le sexe, l&rsquo;\u00e2ge ou le statut socio-\u00e9conomique ont peu d&rsquo;influence sur ce r\u00e9sultat.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a130\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Seules deux des maladies infectieuses \u00e9tudi\u00e9es de mani\u00e8re intensive faisaient exception : le VIH et la tuberculose n\u2019\u00e9taient pas associ\u00e9s \u00e0 un risque accru. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div id=\"isl-5-InpageWidget\" data-island=\"InpageWidgetBase\">\n<div data-hk=\"00050\" class=\"Article-Inpage-Widget\" style=\"width:0;min-width:100% !important;border:none;\" data-external=\"1\" data-qa-article-inpage-widget>\n<div id=\"bf_bmirechner\"><\/div>\n<\/div>\n<\/div>\n<div data-hk=\"00942120a202a160\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>L&rsquo;ob\u00e9sit\u00e9 cr\u00e9e des conditions favorables aux germes<\/h2>\n<p>\u00ab\u00a0Il est plausible que l&rsquo;ob\u00e9sit\u00e9 affaiblisse la capacit\u00e9 du syst\u00e8me immunitaire \u00e0 se d\u00e9fendre contre les bact\u00e9ries infectieuses, les virus, les parasites ou les champignons, ce qui peut conduire \u00e0 une progression plus grave de la maladie\u00a0\u00bb, a d\u00e9clar\u00e9 Kivim\u00e4ki dans un communiqu\u00e9 du Lancet. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1704\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a202a180\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les raisons pourraient \u00eatre des facteurs associ\u00e9s \u00e0 l\u2019ob\u00e9sit\u00e9, tels qu\u2019un environnement riche en nutriments favorisant la survie des micro-organismes, ainsi que la r\u00e9sistance \u00e0 l\u2019insuline, l\u2019hyperglyc\u00e9mie et l\u2019inflammation chronique de faible intensit\u00e9. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1904\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a200\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Cependant, les auteurs de l&rsquo;\u00e9tude \u00e9crivent \u00e9galement que les donn\u00e9es montrent le lien entre l&rsquo;ob\u00e9sit\u00e9 et le risque d&rsquo;infection, mais pas les raisons exactes.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a210\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>L\u2019ob\u00e9sit\u00e9 devrait continuer d\u2019augmenter dans le monde<\/h2>\n<p>Les chercheurs ont transf\u00e9r\u00e9 les connaissances acquises aux donn\u00e9es de l\u2019\u00e9tude \u00ab Global Burden of Disease \u00bb et ont ainsi pu calculer le risque d\u2019infection grave pour les r\u00e9gions du monde et pour chaque pays. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a2204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-6\" data-orientation=\"hor\" data-index=\"6\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a230\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Voici comment ils se montrent pour l&rsquo;ann\u00e9e 2023 <strong>4700<\/strong> En Allemagne, 31 900 d\u00e9c\u00e8s cons\u00e9cutifs \u00e0 des infections sont li\u00e9s \u00e0 l&rsquo;ob\u00e9sit\u00e9. C&rsquo;\u00e9taient <strong>14,7 pour cent<\/strong> de ces d\u00e9c\u00e8s. Cela place l&rsquo;Allemagne en dessous des valeurs des \u00c9tats-Unis (25,7 pour cent), de l&rsquo;Espagne (21,2 pour cent) et de la Grande-Bretagne (17,4 pour cent), mais nettement au-dessus des valeurs de la Chine (9,0 pour cent) et de l&rsquo;Inde (3,8 pour cent). <\/p>\n<\/div>\n<div data-hk=\"00942120a202a240\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les auteurs de l\u2019\u00e9tude pr\u00e9viennent que la situation pourrait s\u2019aggraver dans les ann\u00e9es \u00e0 venir. \u00ab\u00a0Alors que les taux d&rsquo;ob\u00e9sit\u00e9 devraient augmenter dans le monde entier, le nombre de d\u00e9c\u00e8s et d&rsquo;hospitalisations dus aux maladies infectieuses li\u00e9es \u00e0 l&rsquo;ob\u00e9sit\u00e9 augmentera \u00e9galement\u00a0\u00bb, explique Nyberg. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a2504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-7\" data-orientation=\"hor\" data-index=\"7\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<aside data-hk=\"00942120a202a2604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-out\">\n<div id=\"ad-slot-desktop-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a270\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Afin de r\u00e9duire le risque d&rsquo;infections graves et d&rsquo;autres probl\u00e8mes de sant\u00e9 associ\u00e9s \u00e0 l&rsquo;ob\u00e9sit\u00e9, il est urgent de prendre des mesures qui aident les gens \u00e0 rester en bonne sant\u00e9 et \u00e0 perdre du poids, souligne le chercheur.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a280\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Comment pr\u00e9venir le surpoids et l\u2019ob\u00e9sit\u00e9<\/h2>\n<p>Vous pouvez mettre en \u0153uvre vous-m\u00eame les recommandations suivantes pour pr\u00e9venir ou perdre du poids :<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a2904\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-8\" data-orientation=\"hor\" data-index=\"8\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a300\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li><strong>Une bonne alimentation\u00a0: <\/strong>Assurez-vous de consommer suffisamment de prot\u00e9ines (par exemple l\u00e9gumineuses, fromage blanc), de graisses saines (noix, avocat, saumon), de fibres (pain complet, l\u00e9gumes) et d&rsquo;un apport nutritionnel g\u00e9n\u00e9ralement optimal.<\/li>\n<li><strong>Exercice r\u00e9gulier<\/strong>: Marchez davantage chaque jour et prenez les escaliers plut\u00f4t que l&rsquo;ascenseur. Qu&rsquo;il s&rsquo;agisse de marche rapide ou de v\u00e9lo d\u00e9tendu, selon l&rsquo;Organisation mondiale de la sant\u00e9 (OMS), vous devriez faire 150 minutes d&rsquo;exercice mod\u00e9r\u00e9 par semaine. Cela repr\u00e9sente environ 22 minutes par jour.<\/li>\n<li><strong>Renforcement musculaire : <\/strong>D\u00e9veloppez activement vos muscles. Ceux-ci br\u00fblent de l\u2019\u00e9nergie au repos, donc votre taux m\u00e9tabolique de base est plus \u00e9lev\u00e9 et vous br\u00fblez plus de calories.<\/li>\n<li><strong>\u00c9vitement du stress<\/strong>: Le cortisol, l&rsquo;hormone du stress, peut entra\u00eener une prise de poids, en partie parce qu&rsquo;il favorise les fringales. Si possible, essayez de minimiser les situations stressantes, par exemple en int\u00e9grant des exercices de relaxation ou du yoga dans la vie quotidienne.<\/li>\n<li><strong>Dormir suffisamment\u00a0:<\/strong> Essayez de dormir sept \u00e0 huit heures chaque nuit. Le manque de sommeil peut ralentir votre m\u00e9tabolisme et affecter votre sant\u00e9 mentale, ce qui affecte votre bien-\u00eatre g\u00e9n\u00e9ral.<\/li>\n<\/ul>\n<\/div>\n<div data-hk=\"00942120a202a310\" class=\"Html-Block\" data-qa-article-content-text>\n<p><i>avec dpa<\/i><\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les personnes en surpoids important courent un risque consid\u00e9rablement accru de souffrir d\u2019une maladie grave,<\/p>\n","protected":false},"author":1,"featured_media":14020,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[8875,39,182,1627,528,581,49,1055,538,40],"class_list":["post-14019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-audessus","tag-augmente","tag-comment","tag-dinfections","tag-dun","tag-graves","tag-les","tag-poids","tag-prevenir","tag-risque","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - 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