{"id":473,"date":"2023-11-02T22:20:17","date_gmt":"2023-11-02T22:20:17","guid":{"rendered":"https:\/\/actaecstg.wpenginepowered.com\/success\/raff4-un-essai-randomise-dagents-antiarythmiques-pour-ameliorer-la-prise-en-charge-des-patients-des-services-durgence-souffrant-de-fibrillation-auriculaire-aigue\/"},"modified":"2023-11-10T22:23:50","modified_gmt":"2023-11-10T22:23:50","slug":"raff4-un-essai-randomise-dagents-antiarythmiques-pour-ameliorer-la-prise-en-charge-des-patients-des-services-durgence-souffrant-de-fibrillation-auriculaire-aigue","status":"publish","type":"success","link":"https:\/\/act-aec.ca\/fr\/success\/raff4-un-essai-randomise-dagents-antiarythmiques-pour-ameliorer-la-prise-en-charge-des-patients-des-services-durgence-souffrant-de-fibrillation-auriculaire-aigue\/","title":{"rendered":"RAFF4 : Un essai randomis\u00e9 d&rsquo;agents antiarythmiques pour am\u00e9liorer la prise en charge des patients des services d&rsquo;urgence souffrant de fibrillation auriculaire aigu\u00eb"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>R\u00c9SUM\u00c9  <\/strong><\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Identifiant ClinicalTrials.gov : NCT04485195  <\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">La question de notre \u00e9tude, qui consiste \u00e0 comparer le vernakalant IV au proca\u00efnamide IV, fait l&rsquo;unanimit\u00e9 parmi les m\u00e9decins urgentistes canadiens et n&rsquo;a jamais fait l&rsquo;objet d&rsquo;une \u00e9tude directe. <strong>Contexte : <\/strong>La <strong>fibrillation auriculaire (FA) <\/strong>provoque un rythme cardiaque rapide et irr\u00e9gulier et constitue l&rsquo;arythmie la plus fr\u00e9quente observ\u00e9e dans les services d&rsquo;urgence. Nous nous concentrerons sur les <strong>\u00e9pisodes de FA d&rsquo;apparition aigu\u00eb<\/strong>, qui se manifestent g\u00e9n\u00e9ralement &lt;48 heures et sont tr\u00e8s symptomatiques. La plupart des m\u00e9decins urgentistes canadiens tentent de r\u00e9tablir le rythme sinusal par cardioversion (CV), soit \u00e0 l&rsquo;aide de m\u00e9dicaments, soit par voie \u00e9lectrique. En cas d&rsquo;\u00e9chec de la CV m\u00e9dicamenteuse, les patients subissent g\u00e9n\u00e9ralement une CV \u00e9lectrique, qui est efficace mais souvent associ\u00e9e \u00e0 des retards importants et \u00e0 des \u00e9v\u00e9nements ind\u00e9sirables (13,9% ; Stiell CJC 2022). Le m\u00e9dicament le plus couramment utilis\u00e9 est l&rsquo;ancien<strong>proca\u00efnamide <\/strong>intraveineux<strong>(IV) <\/strong>, dont le taux de conversion est de 52,2 %, le d\u00e9lai m\u00e9dian de conversion de 55 minutes et l&rsquo;incidence des effets ind\u00e9sirables de 9,8 %. Le <strong>vernakalant IV <\/strong>, plus r\u00e9cent, aurait un taux de conversion de 65 %, un d\u00e9lai m\u00e9dian de conversion de 12 minutes et des effets ind\u00e9sirables de &lt;1 % ; il a \u00e9t\u00e9 approuv\u00e9 au Canada en 2017, mais n&rsquo;a connu qu&rsquo;une adoption modeste.  <\/p>\n\n<p class=\"wp-block-paragraph\">La plupart des patients souffrant de FA aigu\u00eb occupent les moniteurs cardiaques des urgences pendant une p\u00e9riode prolong\u00e9e. Nous esp\u00e9rons que le vernakalant IV permettra des cardioversions plus rapides dans nos <strong>urgences canadiennes extr\u00eamement encombr\u00e9es<\/strong>. Nous <strong>\u00e9mettons l&rsquo;hypoth\u00e8se que <\/strong>notre \u00e9tude r\u00e9v\u00e9lera que le vernakalant IV est sup\u00e9rieur, avec un taux de conversion plus \u00e9lev\u00e9, des temps de conversion plus rapides et beaucoup moins d&rsquo;effets ind\u00e9sirables. L&rsquo;essai RAFF4 est un essai pragmatique ouvert qui nous permet de voir les performances r\u00e9elles de ces m\u00e9dicaments dans des circonstances cliniques r\u00e9elles.  <\/p>\n\n<p class=\"wp-block-paragraph\">Le recrutement a \u00e9t\u00e9 retard\u00e9 au cours de l&rsquo;ann\u00e9e \u00e9coul\u00e9e en raison de la pand\u00e9mie, mais <strong>nous avons recrut\u00e9 190 patients, dont 75 % \u00e0 Ottawa<\/strong>. Nous avons financ\u00e9 l&rsquo;\u00e9tude RAFF4 \u00e0 l&rsquo;aide de <strong>fonds provenant d&rsquo;une bourse de la Fondation des IRSC d\u00e9tenue par le chercheur principal (IGS)<\/strong>&#8211; cette bourse expire au d\u00e9but de 2023, c&rsquo;est pourquoi la demande actuelle est essentielle pour assurer l&rsquo;ach\u00e8vement de l&rsquo;essai.  <strong>Cipher Pharmaceuticals Inc. (Canada) <\/strong>offre un soutien sans restriction en fournissant gratuitement le vernakalant \u00e0 tous les sites d&rsquo;\u00e9tude, mais ne donne pas d&rsquo;argent.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Objectif de l&rsquo;\u00e9tude : <\/strong>Comparer le vernakalant IV au proca\u00efnamide IV pour les patients souffrant de FA aigu\u00eb.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>\n  <em>Primaire<\/em>\n<\/strong> <strong>\n  <em>R\u00e9sultats :<\/em>\n<\/strong> conversion et maintien du rythme sinusal pendant au moins 30 minutes<strong> <\/strong>apr\u00e8s la perfusion du m\u00e9dicament. Autres : dur\u00e9e du s\u00e9jour aux urgences, \u00e9v\u00e9nements ind\u00e9sirables et suivi \u00e0 30 jours.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>\n  <em>Analyse primaire : <\/em>\n<\/strong>sur la base d&rsquo;une intention de traiter, en utilisant une r\u00e9gression logistique multiple contr\u00f4lant les variables suivantes : \u00e2ge, sexe, premier \u00e9pisode ou \u00e9pisode r\u00e9p\u00e9t\u00e9, temps \u00e9coul\u00e9 depuis l&rsquo;apparition de l&rsquo;\u00e9pisode, et ant\u00e9c\u00e9dents d&rsquo;insuffisance cardiaque.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>M\u00e9thodes : <em>Conception : <\/em><\/strong>Essai comparatif pragmatique d&rsquo;efficacit\u00e9 avec une comparaison ouverte et randomis\u00e9e (1:1) des m\u00e9dicaments CV avec : i) IV vernakalant, et ii) IV proca\u00efnamide. Stratifi\u00e9 par site.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong><em>Interventions : <\/em>a) Vernakalant IV. <\/strong>Perfusion initiale de 3 mg\/kg en 10 minutes, suivie si n\u00e9cessaire d&rsquo;une seconde perfusion de 2 mg\/kg.  <strong>b) Proca\u00efnamide IV.  <\/strong>Perfusion de 15 mg\/kg en 60 minutes. Si les patients ne sont pas pass\u00e9s en rythme sinusal 30 minutes apr\u00e8s la fin de la perfusion de l&rsquo;un ou l&rsquo;autre m\u00e9dicament, ils se verront proposer un CV \u00e9lectrique.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>\n  <em>Cadre : <\/em>\n<\/strong>12 services d&rsquo;urgence de soins tertiaires dans 5 provinces.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong><em>Sujets : <\/em>340 patients <\/strong>souffrant de FA aigu\u00eb o\u00f9 le contr\u00f4le du rythme aigu est une option s\u00fbre.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Importance : <\/strong>Si le vernakalant IV s&rsquo;av\u00e8re plus efficace, plus rapide et plus s\u00fbr que le proca\u00efnamide IV, les cliniciens disposeront d&rsquo;une solution de rechange importante pour la cardioversion m\u00e9dicamenteuse de la FA aigu\u00eb. Les r\u00e9sultats de l&rsquo;\u00e9tude devraient conduire \u00e0 des taux de conversion du rythme plus \u00e9lev\u00e9s et \u00e0 des sorties plus rapides de nos urgences surcharg\u00e9es et devraient modifier la pratique clinique dans le monde entier.<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","class_list":["post-473","success","type-success","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RAFF4 : Un essai randomis\u00e9 d&#039;agents antiarythmiques pour am\u00e9liorer la prise en charge des patients des services d&#039;urgence souffrant de fibrillation auriculaire aigu\u00eb - ACT AEC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/act-aec.ca\/success\/raff4-a-randomized-trial-of-anti-arrhythmic-agents-to-improve-management-of-emergency-department-patients-with-acute-atrial-fibrillation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RAFF4 : Un essai randomis\u00e9 d&#039;agents antiarythmiques pour am\u00e9liorer la prise en charge des patients des services d&#039;urgence souffrant de fibrillation auriculaire aigu\u00eb - ACT AEC\" \/>\n<meta property=\"og:description\" content=\"R\u00c9SUM\u00c9 Identifiant ClinicalTrials.gov : NCT04485195 La question de notre \u00e9tude, qui consiste \u00e0 comparer le vernakalant IV au proca\u00efnamide IV, fait l&rsquo;unanimit\u00e9 parmi les m\u00e9decins urgentistes canadiens et n&rsquo;a jamais fait l&rsquo;objet d&rsquo;une \u00e9tude directe. 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