{"id":7162,"date":"2025-05-17T20:43:53","date_gmt":"2025-05-17T20:43:53","guid":{"rendered":"https:\/\/afiyafrica.com\/?p=7162"},"modified":"2025-05-17T20:44:54","modified_gmt":"2025-05-17T20:44:54","slug":"hypertension-arterielle-le-tueur-silencieux-quil-faut-apprendre-a-connaitre","status":"publish","type":"post","link":"https:\/\/afiyafrica.com\/index.php\/actualite\/hypertension-arterielle-le-tueur-silencieux-quil-faut-apprendre-a-connaitre\/","title":{"rendered":"Hypertension art\u00e9rielle : le tueur silencieux qu\u2019il faut apprendre \u00e0 conna\u00eetre"},"content":{"rendered":"<div class='booster-block booster-read-block'>\n                <div class=\"twp-read-time\">\n                \t<i class=\"booster-icon twp-clock\"><\/i> <span>Read Time:<\/span>5 Minute, 17 Second                <\/div>\n\n            <\/div><p>On l&rsquo;appelle souvent le \u00ab tueur silencieux \u00bb, car elle ne provoque aucun sympt\u00f4me visible pendant des ann\u00e9es. Pourtant, l\u2019hypertension art\u00e9rielle (HTA) est l\u2019une des principales causes de d\u00e9c\u00e8s dans le monde. En Afrique subsaharienne, elle touche des millions de personnes, souvent sans qu\u2019elles le sachent, jusqu\u2019au jour o\u00f9 un accident grave survient. Mieux la comprendre, c\u2019est mieux la pr\u00e9venir et mieux la traiter. Aujourd&rsquo;hui, \u00e0 l&rsquo;occasion de la journ\u00e9e mondiale de l&rsquo;hypertension, il est essentiel de bien la conna\u00eetre.<\/p>\n<p>&nbsp;<\/p>\n<p>Qu\u2019est-ce que l\u2019hypertension art\u00e9rielle ?<\/p>\n<p>La pression art\u00e9rielle est la force exerc\u00e9e par le sang sur les parois des art\u00e8res. Elle est exprim\u00e9e en deux chiffres :<\/p>\n<p>la pression systolique (le chiffre du haut), quand le c\u0153ur se contracte ;<\/p>\n<p>la pression diastolique (le chiffre du bas), quand le c\u0153ur se rel\u00e2che.<\/p>\n<p>Selon l\u2019Organisation mondiale de la sant\u00e9 (OMS), on parle d\u2019HTA quand la pression est \u00e9gale ou sup\u00e9rieure \u00e0 140\/90 mmHg, mesur\u00e9e \u00e0 plusieurs reprises.<\/p>\n<p>On distingue :<\/p>\n<p>l\u2019HTA primaire (ou essentielle), sans cause pr\u00e9cise, mais favoris\u00e9e par l\u2019\u00e2ge, le surpoids, l\u2019h\u00e9r\u00e9dit\u00e9, une mauvaise alimentation, etc. ;<\/p>\n<p>l\u2019HTA secondaire, li\u00e9e \u00e0 une autre maladie (r\u00e9nale, endocrinienne&#8230;).<\/p>\n<p>&nbsp;<\/p>\n<p>Pourquoi est-elle si dangereuse ?<\/p>\n<p>L\u2019HTA use lentement les vaisseaux sanguins. Sans traitement, elle peut provoquer :<\/p>\n<p>-Accident vasculaire c\u00e9r\u00e9bral (AVC) ;<\/p>\n<p>-Infarctus du myocarde commun\u00e9ment appel\u00e9 crise cardiaque;<\/p>\n<p>-Insuffisance cardiaque ;<\/p>\n<p>-Insuffisance r\u00e9nale chronique ;<\/p>\n<p>-Troubles de la vision, voire c\u00e9cit\u00e9.<\/p>\n<p>Selon l\u2019OMS, l\u2019HTA cause plus de 10 millions de d\u00e9c\u00e8s chaque ann\u00e9e dans le monde. Ce chiffre pourrait \u00eatre largement r\u00e9duit avec un d\u00e9pistage et un suivi appropri\u00e9s.<\/p>\n<p>&nbsp;<\/p>\n<p>L\u2019HTA en Afrique subsaharienne : une bombe \u00e0 retardement<\/p>\n<p>L\u2019hypertension art\u00e9rielle (HTA) est une probl\u00e9matique de sant\u00e9 publique de plus en plus pr\u00e9occupante en Afrique subsaharienne. Les donn\u00e9es \u00e9pid\u00e9miologiques montrent que la pr\u00e9valence de l&rsquo;HTA dans cette r\u00e9gion est en constante augmentation, ce qui repr\u00e9sente un d\u00e9fi majeur pour les syst\u00e8mes de sant\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<p>Pr\u00e9valence \u00e9lev\u00e9e et sous-diagnostic<\/p>\n<p>Les \u00e9tudes r\u00e9v\u00e8lent qu&rsquo;environ 1 adulte sur 3 est hypertendu en Afrique subsaharienne, mais moins de 20 % des cas sont diagnostiqu\u00e9s. En d\u2019autres termes, la majorit\u00e9 des personnes ne savent pas qu\u2019elles souffrent d\u2019HTA, car la maladie est souvent asymptomatique. Le manque de d\u00e9pistage syst\u00e9matique dans de nombreuses r\u00e9gions, ainsi que l\u2019acc\u00e8s limit\u00e9 aux soins, contribuent \u00e0 cette situation alarmante. Et moins de 10 % sont bien trait\u00e9es [1].<\/p>\n<p>&nbsp;<\/p>\n<p>Facteurs de risque uniques et multiples<\/p>\n<p>La r\u00e9gion conna\u00eet une combinaison unique de facteurs de risque qui aggrave la situation :<\/p>\n<p>Urbanisation rapide : L\u2019urbanisation croissante m\u00e8ne \u00e0 un mode de vie plus s\u00e9dentaire, une alimentation plus riche en produits transform\u00e9s et sal\u00e9s, et une exposition accrue au stress, tous des facteurs de risque majeurs de l\u2019HTA.<\/p>\n<p>Alimentation riche en sel et en graisses : Dans de nombreuses zones urbaines, les aliments transform\u00e9s, riches en sel, sucre et graisses, ont remplac\u00e9 les r\u00e9gimes traditionnels plus sains. L\u2019utilisation excessive de cubes et de bouillons, riches en sel, est une habitude courante qui contribue \u00e0 l\u2019augmentation de la pression art\u00e9rielle.<\/p>\n<p>Manque de sensibilisation : De nombreuses personnes ignorent les risques de l&rsquo;HTA, et il existe un manque de campagnes de sensibilisation \u00e0 grande \u00e9chelle. Les pratiques traditionnelles et les croyances culturelles peuvent \u00e9galement freiner la recherche de soins m\u00e9dicaux.<\/p>\n<p>Manque d&rsquo;acc\u00e8s aux soins<\/p>\n<p>Les syst\u00e8mes de sant\u00e9 fragiles dans beaucoup de pays africains rendent le diagnostic et la gestion de l\u2019HTA difficiles. Les infrastructures m\u00e9dicales sont souvent insuffisantes et les ressources humaines limit\u00e9es, ce qui emp\u00eache un suivi ad\u00e9quat des patients hypertendus. De plus, les m\u00e9dicaments antihypertenseurs sont parfois difficiles \u00e0 obtenir, notamment dans les zones rurales, en raison de leur co\u00fbt ou de la disponibilit\u00e9 restreinte.<\/p>\n<p>&nbsp;<\/p>\n<p>Comorbidit\u00e9s et impact sur la sant\u00e9 publique<\/p>\n<p>L\u2019HTA est souvent associ\u00e9e \u00e0 d\u2019autres pathologies chroniques, telles que le diab\u00e8te, les maladies cardiaques et l\u2019insuffisance r\u00e9nale, qui exacerbent les cons\u00e9quences de l\u2019HTA. Le manque de d\u00e9pistage pr\u00e9coce et de traitement appropri\u00e9 expose les populations \u00e0 des risques de complications graves, souvent irr\u00e9versibles, et contribue \u00e0 l\u2019augmentation de la mortalit\u00e9 pr\u00e9matur\u00e9e.<\/p>\n<p>Un d\u00e9fi pour les politiques de sant\u00e9<\/p>\n<p>Les politiques de sant\u00e9 publique en Afrique subsaharienne doivent imp\u00e9rativement int\u00e9grer la pr\u00e9vention et la gestion de l\u2019HTA dans leurs priorit\u00e9s. Le d\u00e9pistage pr\u00e9coce, les programmes de sensibilisation et l\u2019accessibilit\u00e9 des traitements doivent \u00eatre au c\u0153ur des strat\u00e9gies pour r\u00e9duire la morbidit\u00e9 et la mortalit\u00e9 li\u00e9es \u00e0 cette maladie.<\/p>\n<p>&nbsp;<\/p>\n<p>Comment la pr\u00e9venir ?<\/p>\n<p>L\u2019HTA peut \u00eatre largement \u00e9vit\u00e9e par des habitudes de vie simples :<\/p>\n<p>R\u00e9duire sa consommation de sel : Limiter la consommation de sel \u00e0 moins de 5g par jour, comme recommand\u00e9 par l\u2019OMS.<\/p>\n<p>\u00c9viter l\u2019utilisation excessive de cubes et bouillons industriels, qui sont souvent riches en sel.<\/p>\n<p>Opter pour des alternatives naturelles (herbes, \u00e9pices) pour assaisonner les repas ;<\/p>\n<p>Manger des fruits, l\u00e9gumes, aliments peu transform\u00e9s ;<\/p>\n<p>Faire au moins 30 minutes d\u2019activit\u00e9 physique par jour ;<\/p>\n<p>\u00c9viter le tabac et l\u2019alcool ;<\/p>\n<p>Maintenir un poids sain ;<\/p>\n<p>Mesurer sa tension r\u00e9guli\u00e8rement, surtout apr\u00e8s 30 ans.<\/p>\n<p>&nbsp;<\/p>\n<p>Que faire en cas de diagnostic d\u2019HTA ?<\/p>\n<p>Le traitement repose sur deux piliers :<\/p>\n<p>-Les changements de mode de vie (indispensables et \u00e0 maintenir \u00e0 long terme) ;<\/p>\n<p>-Les m\u00e9dicaments antihypertenseurs, prescrits par un professionnel de sant\u00e9.<\/p>\n<p>Il existe plusieurs classes de m\u00e9dicaments : diur\u00e9tiques, IEC, ARA2, b\u00eatabloquants, inhibiteurs calciques. Le choix d\u00e9pend du profil du patient. Le suivi m\u00e9dical r\u00e9gulier est crucial pour adapter le traitement.<\/p>\n<p>Important : ne jamais arr\u00eater son traitement sans avis m\u00e9dical. Une tension bien contr\u00f4l\u00e9e permet d\u2019\u00e9viter les complications.<\/p>\n<p>&nbsp;<\/p>\n<p>Ensemble contre l\u2019HTA<\/p>\n<p>L\u2019hypertension art\u00e9rielle est une maladie silencieuse mais redoutable. Elle est \u00e9vitable, d\u00e9tectable, et traitable. Professionnels de sant\u00e9, d\u00e9cideurs, patients : chacun a un r\u00f4le \u00e0 jouer. Plus la population est sensibilis\u00e9e, plus les chances d\u2019une prise en charge pr\u00e9coce et efficace augmentent. Il est temps d\u2019agir, car l\u2019HTA ne doit plus rester une fatalit\u00e9 silencieuse.<\/p>\n<p>Dr F Abolore<\/p>\n<p>&nbsp;<\/p>\n<p>R\u00e9f\u00e9rences<\/p>\n<p>Mills KT, Bundy JD, Kelly TN, et al. Global disparities of hypertension prevalence and control: A systematic analysis of population-based studies from 90 countries. Circulation. 2016;134(6):441\u2013450.<\/p>\n<p>World Health Organization (OMS). Hypertension fact sheet. 2023. https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/hypertension<\/p>\n<p>Dzudie A, et al. Hypertension in sub-Saharan Africa: a systematic review and meta-analysis. Lancet Glob Health. 2012.<\/p>\n        <div class=\"booster-block booster-reactions-block\">\n            <div class=\"twp-reactions-icons\">\n                \n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-1\" post-id=\"7162\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/afiyafrica.com\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/happy.svg\" alt=\"Happy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Happy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            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visible&#8230;<\/p>\n","protected":false},"author":4,"featured_media":7165,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[12],"tags":[1188,1071,1214,1337,60,1789,1156,2193,62],"class_list":["post-7162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","tag-actualites","tag-actumed","tag-afiya","tag-afiyafrica","tag-afrique-sante","tag-hypertension","tag-hypertension-arterielle","tag-journee-mondiale-de-lhypertension","tag-sante-en-afrique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hypertension art\u00e9rielle : le tueur silencieux qu\u2019il faut apprendre \u00e0 conna\u00eetre -<\/title>\n<meta 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