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J Invasive Cardiol ; 31(8): 212-216, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31088992

RESUMO

BACKGROUND: Stroke recurrence despite optimal oral anticoagulation (OAC) might represent a novel indication for left atrial appendage occlusion (LAAO). The heterogeneity of these patients is generally high, as the presence of valvular atrial fibrillation (VAF) is common. The aim of this study was to explore the role of LAAO as an adjunctive therapy to OAC in patients with recurrent stroke despite optimal OAC. METHODS: The study screened consecutive patients who underwent percutaneous LAAO at nine centers between 2009 and 2017. Patients with recurrent stroke despite optimal OAC were selected and those with an absolute or relative contraindication to OAC were not included in the study. RESULTS: Among 837 patients who underwent LAAO between the study period, a total of 22 (2.6%) met the inclusion criteria. There was a high percentage of VAF (38%) and 59% presented more than one cardioembolic event before LAAO. All patients underwent successful implantation of the device and no procedural major adverse events were reported. In all but 3 patients, anticoagulation was continued after LAAO. With a median clinical follow-up of 1.8 years (range, 0.7-2.8 years), only 1 stroke and 1 transient ischemic attack were reported, translating into a significant reduction of cerebrovascular events before and after LAAO (2.0 ± 1.0 events vs 0.1 ± 0.3 events; P<.01). Imaging follow-up revealed only 1 case of device thrombosis. CONCLUSIONS: LAAO as an adjunctive therapy to OAC seems to be feasible and safe in patients with previous cardioembolic events despite optimal OAC. In our series, this strategy was associated with a low rate of cerebrovascular events after LAAO.


Assuntos
Anticoagulantes/administração & dosagem , Apêndice Atrial/cirurgia , Fibrilação Atrial/terapia , Dispositivo para Oclusão Septal , Acidente Vascular Cerebral/prevenção & controle , Administração Oral , Idoso , Fibrilação Atrial/complicações , Feminino , Seguimentos , Humanos , Masculino , Estudos Retrospectivos , Acidente Vascular Cerebral/etiologia , Fatores de Tempo , Resultado do Tratamento
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