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Int. j. cardiovasc. sci. (Impr.) ; 36: e20220115, 2023. graf
Artigo em Inglês | LILACS-Express | LILACS | ID: biblio-1448462

RESUMO

Abstract Background Direct anticoagulants (DOACs) and vitamin K antagonists (VKAs) differ in pharmacokinetic characteristics, intensity of required laboratory monitoring, and costs. These differences could affect patients' adherence to treatment and quality of life (QoL). Objective To assess whether patients with non-valvular atrial fibrillation (AF) using DOACs have better treatment adherence and QoL when compared to patients using VKAs. Methods We conducted a systematic review in Medline, Embase, LILACS, SciELO, CINAHL, and Cochrane Central, until June 9, 2021. We included studies that estimated and compared treatment adherence and QoL between DOACs and VKAs in adults with non-valvular AF. The methodological quality of the studies was assessed using the Joanna Briggs Institute (JBI) tools. The protocol was registered in the PROSPERO (CRD 42020165238). Results Sixteen studies, including 122,458 patients with non-valvular AF, evaluated adherence, and eleven studies, including 5,687 patients, assessed QoL. A variety of methods was used to measure adherence. Eleven studies showed no difference in adherence between DOACs and VKAs, while three studies favored VKAs over DOACs and two studies favored DOACs over VKAs. QoL was measured by specific (n = 3) or generic questionnaires (n = 8); results favored DOACs over VKAs in four studies, while in the other seven studies the results showed no difference between the groups. Meta-analyses were not performed due to high methodological heterogeneity among studies. Conclusions Available evidence regarding treatment adherence and QoL with DOACs and VKAs is characterized by methodological heterogeneity and conflicting findings.

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