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Percutaneous left atrial appendage occlusion for stroke prevention in patients with atrial fibrillation and contraindication for anticoagulation



Percutaneous left atrial appendage occlusion for stroke prevention in patients with atrial fibrillation and contraindication for anticoagulation



Revue Neurologique 171(5): 426-432



Stroke, as the third cause of death in developed countries, is a public health issue. Atrial fibrillation is an important cause of ischemic stroke and its prevention is efficient with oral anticoagulation. However, oral anticoagulation can be contraindicated because of hemorrhagic risk related to these treatments. Percutaneous left atrial appendage occlusion is a new alternative of oral anticoagulation for patients with atrial fibrillation and high risk of cardio-embolic stroke but contraindicated for oral anticoagulation. We describe in this paper the procedure of left atrial appendage occlusion with the Amplatzer cardiac plug device, used in our center in Grenoble university hospital, for the first three patients who have been treated with this device. These three patients (one man and two women) have all atrial fibrillation with neurological complication of this arrhythmia, as ischemic stroke. Oral anticoagulation is indicated to prevent another ischemic stroke. However, they all have a high risk of cerebral bleeding for different reasons (cavernomatosis, history of intracerebral hemorrhage and aneurysm of the polygon of Willis). Consequently, they have a high risk of cardio-embolic complication but contraindication for oral anticoagulation. They have been treated by left atrial appendage occlusion with Amplatzer cardiac plug device by percutaneous and trans-septal access. Then, they have been followed by neurologist and cardiologist, with clinical and paraclinical evaluation by echocardiography. Our three first patients have been successfully implanted, without periprocedural complication. No latest adverse event was observed, and particularly no cardiac or neurologic adverse event. The technique of left atrial appendage occlusion is a very interesting and promising technique for ischemic stroke prevention in patient with high risk of cardio-embolic complication because of atrial fibrillation, but high risk of bleeding and contraindication for oral anticoagulation. Because of frequency of both atrial fibrillation and contraindication for oral anticoagulation, occlusion of the left atrial appendage should become an interesting alternative for many patients. However, it remains an invasive procedure and efficacy and indications need to be evaluated in further clinical trials. Risk/benefit ratio must be carefully assessed and compared to that of the new anticoagulant drugs.

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Accession: 058526113

Download citation: RISBibTeXText

PMID: 25912470

DOI: 10.1016/j.neurol.2014.11.009


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