{"id":560757,"date":"2026-07-21T12:30:00","date_gmt":"2026-07-21T10:30:00","guid":{"rendered":"https:\/\/medizinonline.com\/?p=560757"},"modified":"2026-07-21T16:15:03","modified_gmt":"2026-07-21T14:15:03","slug":"les-agents-de-fixation-du-potassium-catalyseurs-de-loptimisation-du-raasi","status":"publish","type":"post","link":"https:\/\/medizinonline.com\/fr\/les-agents-de-fixation-du-potassium-catalyseurs-de-loptimisation-du-raasi\/","title":{"rendered":"Les agents de fixation du potassium, catalyseurs de l’optimisation du RAASi"},"content":{"rendered":"\n

Les inhibiteurs du syst\u00e8me r\u00e9nine-angiotensine-aldost\u00e9rone (RAASi) \u2013 y compris les antagonistes des r\u00e9cepteurs min\u00e9ralocortico\u00efdes (MRA) \u2013 comptent parmi les \u00e9l\u00e9ments les plus efficaces de la m\u00e9decine cardior\u00e9nale. Cependant, leur utilit\u00e9 est souvent compromise dans la pratique quotidienne, car la crainte d\u2019une hyperkali\u00e9mie conduit \u00e0 une r\u00e9duction de la posologie, voire \u00e0 l\u2019arr\u00eat du traitement. Avec les nouveaux ch\u00e9lateurs de potassium que sont le patirom\u00e8re et le cyclosilicate de sodium et de zirconium (SZC), on dispose pour la premi\u00e8re fois d\u2019une strat\u00e9gie bien \u00e9tudi\u00e9e capable de lever pr\u00e9cis\u00e9ment cette contrainte : non pas de r\u00e9duire le potassium pour lui-m\u00eame, mais de permettre et de maintenir le traitement par inhibiteurs du RAAS, qui prolonge la vie. L\u2019essor fulgurant de la fin\u00e9r\u00e9none \u2013 dont l\u2019hyperkali\u00e9mie constitue un signal de s\u00e9curit\u00e9 majeur \u2013 conf\u00e8re \u00e0 ce sujet une nouvelle urgence clinique. <\/strong><\/p>\n\n

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Les inhibiteurs du syst\u00e8me r\u00e9nine-angiotensine-aldost\u00e9rone (RAASi) \u2013 y compris les antagonistes des r\u00e9cepteurs min\u00e9ralocortico\u00efdes (MRA) \u2013 comptent parmi les \u00e9l\u00e9ments les plus efficaces de la m\u00e9decine cardior\u00e9nale. Cependant, leur utilit\u00e9……... <\/p>\n

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