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| http://dx.doi.org/10.1016/j.shj.2022.100009 | DOI Listing |
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Outcomes of Combined Left Atrial Appendage Occlusion and Transcatheter Mitral Edge-to-Edge Repair: The WATCH-TEER Study.
JACC Adv
February 2025
Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA.
Background: Up to 50% of patients undergoing mitral transcatheter edge-to-edge repair (MTEER) have an indication for left atrial appendage occlusion (LAAO). However, prospective evaluation of this strategy is lacking.
Objectives: The aim of the study was to prospectively evaluate the outcomes of combined LAAO and MTEER.
Cerebral Embolic Protection in Patients Undergoing Left Atrial Appendage Closure.
J Cardiovasc Dev Dis
December 2024
German Heart Centre Munich, 80636 Munich, Germany.
(1) Background: Cerebral magnetic resonance imaging has reported new cerebral ischemic lesions after left atrial appendage (LAA) closure in about one- third of patients. Stroke occurs predominantly periprocedurally. This study evaluated the characteristics of embolized debris captured by the SENTINEL cerebral embolic protection system in patients undergoing LAA closure; (2) Methods: Sixty filters of 30 consecutive patients undergoing LAA closure with the WATCHMAN FLX device were collected and captured debris was analyzed by histopathology and histomorphometry.
View Article and Find Full Text PDFUsefulness of preprocedural 3-dimensional computed tomography planning in assisting one-stage pulmonary veins isolation with concomitant left atrial appendage occlusion procedure: A pilot study.
Int J Cardiol Heart Vasc
February 2025
Division of Cardiovascular Medicine, Department of Medicine, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan.
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.
Surface steel ball calibration - A novel method for facilitating fluoroscopic measurement during implantation of WATCHMAN.
J Cardiol
January 2025
Arrhythmia Diagnosis and Treatment Center, The First Affiliated Hospital of Ningbo University, Ningbo, China. Electronic address:
Background: Although the method of autocalibration or calibration based on catheter diameters was proposed for fluoroscopic measurement during percutaneous left atrial appendage occlusion (LAAO), it may be imprecise and lead to mismeasurement. We sought to investigate whether the utilization of the surface steel ball calibration (SSBC) method under fluoroscopy could facilitate the fluoroscopic measurement of the post-implanted WATCHMAN device (Boston Scientific Corporation, Natick, MA, USA) in LAAO.
Methods: This retrospective study included 97 consecutive patients who underwent percutaneous LAAO with the WATCHMAN device.
Percutaneous left atrial appendage closure using a modified single-operator-technician approach under deep sedation: A single-center experience.
Heart Rhythm O2
December 2024
Department of Electrophysiology, North Mississippi Medical Center, Tupelo, Mississippi.
Background: Historically, percutaneous transcatheter left atrial appendage closure (LAAC) has been performed under general anesthesia (GA) with transesophageal echocardiographic images obtained by a noninvasive cardiologist and usually requires an overnight hospital stay. Alternatively, we present our single-center experience performing LAACs under deep sedation (DS), employing an echocardiographic technician instead of a noninvasive cardiologist, and expediting same-day discharge. Mid- to long-term outcomes were also evaluated with follow-up imaging at a 45-day visit.
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