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The use of cardiac computed tomography angiography in the assessment of percutaneous left atrial appendage closure – Review and experts recommendations endorsed by the Société française d’imagerie cardiaque et vasculaire diagnostique et interventionnelle

Abstract : Atrial fibrillation is the most common cause of arrhythmia which is responsible for over 15% of ischemic strokes, most of these being secondary to migration of a left atrial appendage (LAA) thrombus. In patient with contraindication to anticoagulant therapy, percutaneous closure system placement may be indicated. Cardiac computed tomography (CT) angiography plays a central role in the initial assessment as well as in the follow-up. The purpose of the pre-implantation cardiac CT angiography is to evaluate the anatomy of the LAA in order to select the most suitable prosthesis and check for any contraindication to device implantation. Image analysis is divided into four steps that include analysis of the approach; search for a thrombus in the LAA; investigation of the anatomy of the LAA (morphology of the LAA, dimensions of the LAA and choice of device) and cardiac and thoracic assessments. Follow-up involves CT examination to check for correct placement of the device and to detect any complications. On the basis of the results of currently available published research, a panel of experts has issued recommendations regarding cardiac CT angiography prior to percutaneous LAA closure device placement, which were further endorsed by the Société française d'imagerie cardiaque et vasculaire diagnostique et interventionnelle (SFICV).
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https://www.hal.inserm.fr/inserm-03265154
Contributor : Jean Nicolas Dacher <>
Submitted on : Saturday, June 19, 2021 - 7:43:33 AM
Last modification on : Tuesday, July 20, 2021 - 2:22:02 PM

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Vania Tacher, Islem Sifaoui, Rym Kharrat, Jean Nicolas Dacher, Virgile Chevance, et al.. The use of cardiac computed tomography angiography in the assessment of percutaneous left atrial appendage closure – Review and experts recommendations endorsed by the Société française d’imagerie cardiaque et vasculaire diagnostique et interventionnelle. Diagnostic and Interventional Imaging, Elsevier, 2021, pp.S2211-5684(21)00140-6. ⟨10.1016/j.diii.2021.05.010⟩. ⟨inserm-03265154⟩

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