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  • Title: Oral anticoagulation and left atrial appendage closure: a new strategy for recurrent cardioembolic stroke.
    Author: Masjuan J, Salido L, DeFelipe A, Hernández-Antolín R, Fernández-Golfín C, Cruz-Culebras A, Matute C, Vera R, Pérez-Torre P, Zamorano JL.
    Journal: Eur J Neurol; 2019 May; 26(5):816-820. PubMed ID: 30586229.
    Abstract:
    BACKGROUND AND PURPOSE: There are no recommendations regarding how to treat cardioembolic recurrent strokes when patients are well anticoagulated. We evaluated the safety and efficacy of combining oral anticoagulation (OAC) with percutaneous left atrial appendage closure (LAAC) in patients with well-anticoagulated atrial fibrillation (AF) with recurrent strokes. METHODS: In an explorative, prospective, observational study, LAAC was performed in patients with AF with at least two ischaemic strokes in the previous year, despite good anticoagulation using the Amplatzer Cardiac Plug (St Jude Medical, St Paul, MN, USA) or Amulet Abbot device (Abbot Vascular, Santa Clara, CA, USA). We recorded age, type of AF, CHA2 DS2 -VASC and HAS-BLED scores, types of OAC and risk factors. After closure, treatment with aspirin (100 mg/day) was continued for 3 months in combination with indefinite OAC. Clinical status, recurrent embolisms and bleeding complications were recorded during follow-up. RESULTS: A total of 19 patients were included (mean age, 72.1 ± 9.6 years; mean CHA2 DS2 -VASC score, 5.3 ± 1.48; mean number of previous strokes, 2.78 ± 1.15). Thirteen had spontaneous echocardiographic contrast and all had dilatation of the left atrium. Eighteen patients had a multilobulated left atrial appendage, 17 with 'chicken-wing' morphology and one patient had a left atrial appendage thrombus. There were no complications during the procedure. Only one patient had a transient ischaemic attack and no major bleeding occurred during a mean follow-up of 17.4 ± 11.5 months. CONCLUSION: Combination therapy with indefinite OAC plus LAAC in patients with AF with recurrent strokes despite good anticoagulation should be considered in order to prevent a new stroke.
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