Publications by authors named "Cheng-Chang Tung"

Background: The optimal imaging modality for selecting the device size in patients with atrial fibrillation undergoing one-stop left atrial appendage occlusion (LAAO) with concomitant pulmonary vein isolation (PVi) remains undefined. We compared preprocedural 3-dimensional computed tomography (3D CT) with intra-procedural transesophageal echocardiography (TEE) and left atrial appendage (LAA) angiography in guiding one-stage PVi and LAAO.

Methods: We measured the LAA ostium diameter using an interactive 3D CT system with a central line-based approach and compared these measurements with those from intra-procedural TEE and angiography, and the actual device size.

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Transthoracic echocardiography plays a crucial role in clinical diagnosis and is increasingly being used around the world. Comprehensive echocardiographic examinations require accurate measurements and the operators to have excellent technical skills. Despite the availability of several published echocardiographic guidelines, the absence of recommended operational manuals in daily practice has resulted in significant variation in the content of echocardiography reports across different medical institutions.

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Background: Left bundle branch area pacing (LBBAP) has the advantages of narrow QRS duration, rapid peak left ventricular (LV) activation, and LV dyssynchrony correction with a low, stable pacing output. Here we report our experience with patients undergoing LBBAP with a left bundle branch block (LBBB) for clinically indicated pacemaker or cardiac resynchronization therapy implantation. We compared the initial follow-up data of these patients and patients undergoing conventional right ventricular pacing (RVP).

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