Journal
JACC-CARDIOVASCULAR INTERVENTIONS
Volume 13, Issue 3, Pages 277-292Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2019.08.054
Keywords
CT scanner requirements; left atrial appendage thrombus detection and measurements; contrast injection; patient preparation
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Transcatheter left atrial appendage occlusion is an increasingly used alternative to oral anticoagulation in selected patients with atrial fibrillation. Pre-procedural imaging is a prerequisite to a successful intervention, with transesophageal echocardiography as the current gold standard. However, cardiac computed tomography offers improved imaging with high-quality multiplanar and 3-dimensional reconstructed images. Nevertheless, the lack of a standardized imaging protocol has slowed the adoption of cardiac computed tomography into clinical practice. On the basis of current research and expert consensus, this paper provides a protocol for the preparation, acquisition, and interpretation of cardiac computed tomographic imaging in pre-procedural planning of left atrial appendage occlusion. (C) 2020 by the American College of Cardiology Foundation.
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