{"id":72453,"date":"2019-01-31T09:06:32","date_gmt":"2019-01-31T09:06:32","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/angine-de-poitrine\/"},"modified":"2025-01-13T03:12:40","modified_gmt":"2025-01-13T03:12:40","slug":"angine-de-poitrine","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/angine-de-poitrine\/","title":{"rendered":"Angine de poitrine"},"content":{"rendered":"<p>L\u2019angine de poitrine est une douleur thoracique qui se manifeste dans le muscle cardiaque et qui survient habituellement pendant l\u2019effort et qui s\u2019att\u00e9nue au repos. La douleur est la cons\u00e9quence d\u2019un apport sanguin inad\u00e9quat au muscle cardiaque. Il s\u2019agit de l\u2019angine dite classique ou stable, la plus fr\u00e9quente. Certaines personnes peuvent d\u00e9velopper une angine de poitrine aigu\u00eb et instable qui survient soudainement, m\u00eame au repos, et qui montre un signe avant-coureur d\u2019un grave probl\u00e8me cardiaque.<\/p>\n<p>L\u2019angine de poitrine peut survenir tant chez les hommes que chez les femmes, bien qu\u2019elle ait une incidence l\u00e9g\u00e8rement inf\u00e9rieure chez les femmes jusqu\u2019\u00e0 l\u2019\u00e2ge de 60 ans, ce qui est d\u00fb \u00e0 l\u2019hormone f\u00e9minine protectrice \u0153strog\u00e8ne. Pendant la m\u00e9nopause, lorsque le niveau d\u2019\u0153strog\u00e8ne commence \u00e0 baisser, cette protection diminue.<\/p>\n<h2 id=\"symptomes\">Sympt\u00f4mes<\/h2>\n<p>Les sympt\u00f4mes de l\u2019angine de poitrine peuvent varier, de l\u00e9gers \u00e0 graves. Habituellement, ils commencent pendant l\u2019activit\u00e9 physique et disparaissent lorsque cette activit\u00e9 est interrompue. Les sympt\u00f4mes typiques de l\u2019angine de poitrine sont :<\/p>\n<p>sensation inconfortable d\u2019\u00e9crasement et de pression au milieu de la poitrine\u00a0;<\/p>\n<p>inconfort de propagation de la douleur \u00e0 la gorge et vers le bas, ou l\u2019un des bras (g\u00e9n\u00e9ralement le bras gauche)\u00a0;<\/p>\n<p>vertige\u00a0;<\/p>\n<p>sudation\u00a0;<\/p>\n<p>Si c\u2019est la premi\u00e8re fois ou si les sympt\u00f4mes deviennent fr\u00e9quents, vous devez consulter un m\u00e9decin. Si les sympt\u00f4mes de l\u2019angine de poitrine s\u2019aggravent, cela peut signifier qu\u2019un caillot sanguin s\u2019est form\u00e9 dans l\u2019art\u00e8re, ce qui pourrait obstruer totalement l\u2019art\u00e8re et provoquer une crise cardiaque. La cause la plus fr\u00e9quente de l\u2019angine de poitrine est la coronaropathie, qui r\u00e9tr\u00e9cit les art\u00e8res qui fournissent le sang au muscle cardiaque.<\/p>\n<h2 id=\"causes\">Causes<\/h2>\n<p>La cause la plus fr\u00e9quente de l\u2019angine de poitrine est la coronaropathie, qui r\u00e9tr\u00e9cit les art\u00e8res qui fournissent le sang au muscle cardiaque. Le r\u00e9tr\u00e9cissement est principalement d\u00fb \u00e0 l\u2019accumulation de plaques graisseuses sur les parois des art\u00e8res, c\u2019est-\u00e0-dire \u00e0 l\u2019ath\u00e9roscl\u00e9rose. Le flux sanguin dans les art\u00e8res peut \u00eatre suffisant pendant le repos, mais il ne l\u2019est pas pendant l\u2019exercice. Si l\u2019apport en sang riche en oxyg\u00e8ne n\u2019est pas suffisant, le muscle cardiaque souffre de moins d\u2019oxyg\u00e8ne, tandis que des substances toxiques s\u2019accumulent dans le muscle cardiaque, provoquant une pression dans la poitrine et des douleurs de type crampe. Les personnes atteintes d\u2019hyperlipid\u00e9mie, d\u2019hypertension ou de diab\u00e8te ont un risque plus \u00e9lev\u00e9 d\u2019ath\u00e9roscl\u00e9rose et d\u2019angine. Le risque est plus \u00e9lev\u00e9 si vous avez des ant\u00e9c\u00e9dents familiaux ou si vous fumez.<\/p>\n<p>L\u2019angine de poitrine peut survenir lors d\u2019un spasme temporaire des art\u00e8res coronaires, lorsque les art\u00e8res se r\u00e9tr\u00e9cissent pendant un certain temps et que les valvules cardiaques sont endommag\u00e9es, ce qui r\u00e9duit l\u2019apport sanguin au muscle cardiaque.<\/p>\n<p>L\u2019an\u00e9mie peut aussi causer et aggraver l\u2019angine existante. En cas d\u2019an\u00e9mie, les globules rouges sont moins capables de transporter l\u2019oxyg\u00e8ne, ce qui r\u00e9duit l\u2019apport d\u2019oxyg\u00e8ne au c\u0153ur.<\/p>\n<p>L\u2019angine de poitrine stable est d\u00e9clench\u00e9e par des exercices physiques, mais aussi par le stress, le tabagisme, les temp\u00e9ratures froides et les repas lourds.<\/p>\n<h2 id=\"facteurs-de-risque\">Facteurs de risque<\/h2>\n<p>Les facteurs de risque de l\u2019angine de poitrine sont :<\/p>\n<p>conditions m\u00e9dicales comme le diab\u00e8te, les maladies coronariennes<\/p>\n<p>taux cholest\u00e9rol \u00e9lev\u00e9, tryglic\u00e9rides \u00e9lev\u00e9s, hypertension art\u00e9rielle<\/p>\n<p>stress<\/p>\n<p>age<\/p>\n<p>ob\u00e9sit\u00e9<\/p>\n<p>tabagisme<\/p>\n<h2 id=\"complications\">Complications<\/h2>\n<p>La complication la plus grave de l\u2019angine de poitrine est la crise cardiaque.<\/p>\n<h2 id=\"prevention\">Pr\u00e9vention<\/h2>\n<p>Des mesures pr\u00e9ventives peuvent \u00eatre prises en changeant le mode de vie.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72453","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Angine de poitrine - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Angine de poitrine - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"L\u2019angine de poitrine est une douleur thoracique qui se manifeste dans le muscle cardiaque et qui survient habituellement pendant l\u2019effort et qui s\u2019att\u00e9nue au repos. 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