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Arch. cardiol. Méx ; 89(4): 382-392, Oct.-Dec. 2019. tab, graf
Article in Spanish | LILACS | ID: biblio-1149097

ABSTRACT

Resumen Introducción: La llegada de los anticoagulantes directos (ACD) ha supuesto un cambio en el tratamiento de la fibrilación auricular no valvular (FANV) en los últimos años. Los objetivos de este estudio son determinar el grado de control de la anticoagulación con antivitamina K (AVK) y su posible implicación en efectos cardiovasculares adversos mayores (ECAM) y evaluar las diferencias entre el grupo en tratamiento con AVK respecto del grupo con ACD. Pacientes y métodos: Estudio de cohorte prospectivo que incluyó a pacientes consecutivos diagnosticados con FANV valorados en el Servicio de Cardiología con un seguimiento de 18 meses. Se analizaron diferencias demográficas, clínicas y analíticas entre grupos, incluido el grado de control de la anticoagulación del grupo AVK y su posible relación con ECAM. Resultados: Se incluyó a 273 pacientes: 46.5% tratados con AVK, 42.5% con ACD y 11% sin tratamiento anticoagulante. El control de la anticoagulación con AVK fue del 62.1%, sin diferencias en ECAM en función de control. El grupo ACD presentó menos ECAM que el grupo de AVK (13.4 vs. 4.3%; HR, 0.90; 0.83-0.98; p = 0.01), con una menor mortalidad cardiovascular (0.0 vs. 5.5%; HR, 0.94; 0.90-0.98; p = 0.01) y total (0.9 vs. 12.6%; HR, 0.88; 0.82-0.94; p menor que 0,01), aunque sin diferencias significativas en eventos hemorrágicos (0.9 vs. 4.7%; p = 0.07) ni isquémicos (2.6 vs. 0.8%; p = 0.27). Discusión: Los pacientes con AVK poseen un perfil clínico diferente en comparación con los que reciben ACD. El control de anticoagulación del grupo de AVK fue inadecuado en casi la mitad de los casos. El grupo de AVK presentó más ECAM que el grupo de ACD.


Abstract Introduction: The arrival of direct-acting oral anticoagulants (DOACs) has led to a change in the management of non-valvular atrial fibrillation (NVAF) in recent years. The objectives of this study are to determine the level of therapeutic control of anticoagulation with vitamin K antagonists (VKA) and its possible involvement in major adverse cardiovascular events (MACE) and to evaluate differences between the group on VKA with respect to the group on DOACs. Patients and methods: Prospective cohort study that included consecutive patients diagnosed with NVAF in Cardiology Consultations with a clinical follow-up of 18 months. Demographic, clinical and analytical differences between groups were analyzed, including the level of therapeutic control of anticoagulation on the VKA group and its association with MACE. Results: Overall, 273 patients were included: 46.5% on VKA, 42.5% on DOACs, 11% without antithrombotic treatment. Patients on VKA spent 62.1% of their time within therapeutic range (TTR by the Rosendaal formule). There were no differences in MACE depending on anticoagulation control. The DOACs group presented lesser MACE rate than the VKA group (13.4 vs. 4.3%; 0.90; HR 0.90; 0.83-0.98 p = 0.01) with lower cardiovascular mortality (0.0 vs. 5.5%; HR, 0.94; 0.90-0.98; p = 0.01) and total mortality (0.9 vs. 12.6%; HR, 0.88; 0.82-0.94; p less 0.01) although without significant differences in hemorrhagic (0.9 vs. 4.7 %; p = 0.07), or ischemic events (2.6 vs. 0.8%, p = 0.27). Conclusions: Patients on VKA have a different clinical profile than those who receive DOACs. Patients on VKA have an inadequate control of the anticoagulation in quite the half of the cases. The VKA group presented more MACE than the DOACs group.


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Aged, 80 and over , Atrial Fibrillation/drug therapy , Vitamin K/antagonists & inhibitors , Factor Xa Inhibitors/administration & dosage , Anticoagulants/administration & dosage , Atrial Fibrillation/complications , Cardiovascular Diseases/epidemiology , Administration, Oral , Prospective Studies , Cohort Studies , Follow-Up Studies , Factor Xa Inhibitors/adverse effects , Hemorrhage/chemically induced , Hemorrhage/epidemiology , Anticoagulants/adverse effects
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