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J Am Coll Cardiol ; 78(19): 1875-1885, 2021 11 09.
Artigo em Inglês | MEDLINE | ID: mdl-34736563

RESUMO

BACKGROUND: There is limited evidence that fractional flow reserve (FFR) is effective in guiding therapeutic strategy in multivessel coronary artery disease (CAD) beyond prespecified percutaneous coronary intervention or coronary graft surgery candidates. OBJECTIVES: The FUTURE (FUnctional Testing Underlying coronary REvascularization) trial aimed to evaluate whether a treatment strategy based on FFR was superior to a traditional strategy without FFR in the treatment of multivessel CAD. METHODS: The FUTURE trial is a prospective, randomized, open-label superiority trial. Multivessel CAD candidates were randomly assigned (1:1) to treatment strategy based on FFR in all stenotic (≥50%) coronary arteries or to a traditional strategy without FFR. In the FFR group, revascularization (percutaneous coronary intervention or surgery) was indicated for FFR ≤0.80 lesions. The primary endpoint was a composite of major adverse cardiac or cerebrovascular events at 1 year. RESULTS: The trial was stopped prematurely by the data safety and monitoring board after a safety analysis and 927 patients were enrolled. At 1-year follow-up, by intention to treat, there were no significant differences in major adverse cardiac or cerebrovascular events rates between groups (14.6% in the FFR group vs 14.4% in the control group; hazard ratio: 0.97; 95% confidence interval: 0.69-1.36; P = 0.85). The difference in all-cause mortality was nonsignificant, 3.7% in the FFR group versus 1.5% in the control group (hazard ratio: 2.34; 95% confidence interval: 0.97-5.18; P = 0.06), and this was confirmed with a 24 months' extended follow-up. FFR significantly reduced the proportion of revascularized patients, with more patients referred to exclusively medical treatment (P = 0.02). CONCLUSIONS: In patients with multivessel CAD, we did not find evidence that an FFR-guided treatment strategy reduced the risk of ischemic cardiovascular events or death at 1-year follow-up. (Functional Testing Underlying Coronary Revascularisation; NCT01881555).


Assuntos
Ponte de Artéria Coronária , Doença da Artéria Coronariana , Estenose Coronária , Vasos Coronários , Reserva Fracionada de Fluxo Miocárdico/fisiologia , Intervenção Coronária Percutânea , Complicações Pós-Operatórias/mortalidade , Idoso , Angiografia Coronária/métodos , Ponte de Artéria Coronária/efeitos adversos , Ponte de Artéria Coronária/métodos , Doença da Artéria Coronariana/diagnóstico , Doença da Artéria Coronariana/mortalidade , Doença da Artéria Coronariana/fisiopatologia , Doença da Artéria Coronariana/cirurgia , Estenose Coronária/diagnóstico por imagem , Estenose Coronária/etiologia , Estenose Coronária/cirurgia , Vasos Coronários/diagnóstico por imagem , Vasos Coronários/fisiopatologia , Término Precoce de Ensaios Clínicos , Feminino , Humanos , Efeitos Adversos de Longa Duração/mortalidade , Masculino , Intervenção Coronária Percutânea/efeitos adversos , Intervenção Coronária Percutânea/métodos , Valor Preditivo dos Testes , Medição de Risco/métodos , Índice de Gravidade de Doença
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