Interventional left atrial appendage occlusion: added value of 3D transesophageal echocardiography for device sizing |
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| Authors: | Björn Goebel Stephanie Wieg Ali Hamadanchi Sylvia Otto Christian Jung Daniel Kretzschmar Hans R. Figulla P. Christian Schulze Tudor C. Poerner |
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| Affiliation: | 1.1st Department of Medicine-Division of Cardiology,University Hospital Jena,Jena,Germany;2.Department of Medicine, Division of Cardiology, Pulmonary Diseases and Vascular Medicine,University Hospital Düsseldorf,Düsseldorf,Germany |
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| Abstract: | ![]()
Aim of this study was the assessment of left atrial appendage (LAA) dimensions comparing 2D- to 3D-TEE measurements in patients with nonvalvular atrial fibrillation undergoing percutaneous LAA occlusion. Patients underwent transesophageal echocardiography (TEE) before, during and 45 days after intervention. The maximal LAA orifice diameters in 2D-TEE (LODmax 2D) were obtained from multiple views. Test–retest reliability (screening vs. implantation), inter- and intra-observer variability for echocardiographic parameters were assessed by two independent examiners. Overall, 74 patients underwent percutaneous LAA occlusion. 2D-TEE significantly underestimated the maximal LAA orifice diameter compared with 3D-TEE (screening LODmax 2D 21.11?±?2.75 mm vs. 22.52?±?3.45 mm for LODmax 3D, p?
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