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  • Title: Left atrial appendage closure device implantation in patients with prior intracranial hemorrhage.
    Author: Hutt E, Wazni OM, Saliba WI, Kanj M, Tarakji KG, Aguilera J, Barakat AF, Rasmussen P, Uchino K, Russman A, Hussain S, Wisco D, Kapadia S, Lindsay BD, Hussein AA.
    Journal: Heart Rhythm; 2019 May; 16(5):663-668. PubMed ID: 30521942.
    Abstract:
    BACKGROUND: The Watchman device (Boston Scientific), used for left atrial appendage closure (LAAC), was approved for stroke prevention in patients with atrial fibrillation (AF) and an appropriate rationale to avoid long-term oral anticoagulation. Patients with AF and prior intracranial hemorrhage (ICH) were excluded from clinical trials because of perceived risks of perioperative anticoagulation. OBJECTIVE: The purpose of this study was to study the efficacy and safety of LAAC using Watchman in patients with AF and prior ICH. METHODS: In a multidisciplinary AF/stroke prevention clinic, 38 consecutive patients with AF and prior ICH underwent Watchman implantation. Patients were enrolled in a prospectively maintained data registry. RESULTS: Patients' mean CHA2DS2-VASc score was 5.0 ± 1.3 and HAS-BLED score 4.2 ± 1.0. Prior ICH events were intraparenchymal (60%), subdural (24%), or subarachnoid bleeds (16%). The median event-to-implantation time was 637 days (minimum 60). Watchman was implanted in all patients with no procedural complications. All patients completed 45 days of anticoagulation with warfarin (55%), apixaban (37%), or dabigatran (8%). Transesophageal echocardiograms at 45 days showed no peridevice leak, and 1 patient had a small filamentous echodensity on device that resolved with anticoagulation. While undergoing anticoagulation, none of the patients developed recurrent ICH. Minor bleeding occurred in 1 patient (trauma-related lower extremity hematoma at 19 days postimplantation). At 13.4 months (quartiles 8-19) of follow-up, there were no strokes, ICH, or deaths. CONCLUSION: AF patients with prior ICH tolerated short-term anticoagulation for the purpose of Watchman implantation. LAAC with attendant short-term anticoagulation seems to be both safe and effective in this patient population.
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