Why the study?
What is the prevalence of oral anticoagulation therapy in patients with atrial fibrillation in Portugal?
What is the prevalence of oral anticoagulation therapy in patients with atrial fibrillation in Portugal?
The prevalence of oral anticoagulation in Portuguese patients with atrial fibrillation is low (40%), highlighting a need to improve prescribing habits to align with international guidelines.
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Low anticoagulation rates (40%) in Portuguese AF patients signal a care gap; supports targeted quality improvement and further implementation research.
Oral anticoagulation (OAC) is an effective treatment in the prevention of thromboembolic events in patients with atrial fibrillation (AF). The aim of this review was to estimate the prevalence of OAC therapy in patients with AF in Portugal. MEDLINE, the Index of Portuguese Medical Journals and SIBUL (the Bibliographic Catalog of the Integrated Library System of the University of Lisbon) were searched for Portuguese observational studies reporting the proportion of anticoagulated patients with AF. The pooled estimated prevalence of anticoagulated patients and respective 95% confidence interval (CI) were determined by means of a meta-analysis. Seven studies were included for analysis, of which four were conducted in a hospital environment and three in the general community. These studies enrolled a total of 891 patients with AF. The pooled estimated prevalence of anticoagulated patients was 40% (95% CI: 32–48%). The prevalence of OAC in Portuguese AF patients is low. There is a need to promote change in OAC prescribing habits for AF patients in Portugal, in accordance with international guidelines. A anticoagulação oral é uma terapêutica eficaz na prevenção de eventos tromboembólicos, em doentes com fibrilhação auricular (FA). A presente revisão pretendeu estimar a prevalência da terapêutica anticoagulante oral em doentes com FA em Portugal. Foi realizada uma pesquisa nas bases de dados MEDLINE, Índex de Revistas Médicas Portuguesas e Catálogo Bibliográfico do Sistema Integrado de Bibliotecas da antiga Universidade Clássica de Lisboa (SIBUL). Estudos observacionais nacionais que reportavam a proporção de doentes anticoagulados com fibrilhação auricular foram incluídos. A estimativa combinada de prevalência de doentes com FA anticoagulados e o respetivo intervalo de confiança 95% (IC95%) foi determinada com recurso a meta-análise. Dos sete estudos incluídos, três estudos foram realizados em ambiente hospitalar e quatro foram realizados na comunidade em geral. Do total de 891 doentes com FA, a estimativa de prevalência de doentes anticoagulados foi de 40% (IC95% 32-48%). A prevalência de doentes com FA anticoagulados na população estudada é baixa. É necessário promover a mudança dos hábitos de prescrição de anticoagulantes em doentes com FA em Portugal, em concordância com as recomendações internacionais.
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Caldeira et al. (2014) studied this question.
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