Há espaço para a varfarina no manejo clínico? Revisão narrativa de literatura
Palavras-chave:
varfarina; anticoagulantes; anticoagulantes orais de ação direta.Resumo
Introdução: A anticoagulação é essencial na prevenção de eventos tromboembólicos. A varfarina, embora amplamente utilizada e eficaz, exige monitorização frequente e apresenta diversas interações que dificultam o manejo. Os anticoagulantes orais diretos surgem como alternativas mais simples e em vários cenários, apesar do maior custo. Este trabalho compara varfarina e DOACs quanto a indicações, eficácia, segurança e impacto na qualidade de vida. Objetivo: Distúrbios tromboembólicos exigem anticoagulação eficaz para prevenir complicações graves, sendo a varfarina e os DOACs opções terapêuticas. Esse estudo tem o objetivo de revisar na literatura médica as indicações de uso da varfarina em venosa, fibrilação atrial e trombo ventricular esquerdo. Os DOACs demonstraram menor risco de sangramento, especialmente intracraniano, e maior praticidade por não exigirem monitoramento da RNI. Discussão: Embora os DOACs ofereçam vantagens, a varfarina segue preferida em populações específicas, como pacientes com válvulas mecânicas e síndrome antifosfolipídica. Novos estudos são necessários para melhor definição de uso.
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