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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7051877 | PMC |
| http://dx.doi.org/10.11909/j.issn.1671-5411.2020.02.009 | DOI Listing |
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Potential of right ventricular function assessment with echocardiography in transcatheter aortic valve replacement.
J Cardiothorac Surg
December 2024
Department of Cardiology, Thomas Jefferson University, Philadelphia, PA, 19107, USA.
Background: Right ventricular (RV) function assessment by echocardiography can be challenging due to its complex morphology. Also, increasing use of sedation rather than general anesthesia for transfemoral approach transcatheter aortic valve replacement (TAVR) reduces the need for intraoperative transesophageal echocardiography (TEE). Recent clinical studies have demonstrated the importance of 3-dimensional (3D) echocardiography and a longitudinal strain for RV function assessment.
View Article and Find Full Text PDFTransesophageal 3-dimensional echocardiographic guidance for pacemaker lead placement improves lead position accuracy and reduces fluoroscopy.
Heart Rhythm
December 2024
Division of Cardiology, Heart Institute, Children's Hospital Colorado, University of Colorado, Aurora, Colorado.
Background: Pacemaker and implantable cardioverter-defibrillator (ICD) lead placement traditionally uses fluoroscopy, often with inaccurate lead placement on the free wall rather than on the ventricular septum, with associated longer QRS duration and pacemaker-induced cardiomyopathy while exposing staff and patients to radiation.
Objective: We sought to determine whether transesophageal 3-dimensional echocardiography (3DE) guidance improves lead placement accuracy in the ventricular septum, results in shorter paced QRS durations, and reduces fluoroscopy exposure.
Methods: In a single-center case-control study, 3DE guided right ventricular or atrial pacemaker and ICD leads to the desired location, with fluoroscopy used per operator preference.
Step-by-Step Transcatheter Tricuspid Valve Replacement Using the LuX-Valve Plus System.
JACC Case Rep
November 2024
Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China.
The LuX-Valve Plus is a novel radial force-independent orthotopic transjugular transcatheter tricuspid valve replacement device proven to be effective in TR reduction. We describe preprocedural assessment for eligibility and procedural planning by means of computed tomography as well as procedural steps of device implantation under multimodality imaging guidance including transesophageal echocardiography (TEE), intracardiac echocardiography (ICE), and fluoroscopy: steering into the right ventricle, leaflet capture by graspers, fine valve adjustment, and septal anchor deployment. Potential pitfalls are avoided by achieving optimal alignment by means of TEE multiplanar reconstruction to steer the delivery system, and using mid-esophageal and deep gastric views of 3-dimensional TEE and supplementary ICE to visualize the graspers for leaflet capture, especially when TEE imaging is technically challenging.
View Article and Find Full Text PDFAn Unremarkable Midesophageal 4-Chamber Transesophageal Echocardiography View in a Hemodynamically Unstable Patient: What Are We Missing?
J Cardiothorac Vasc Anesth
May 2024
Department of Anesthesiology, Medical College of Wisconsin, Anesthesiology Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
Determination of Inoue Balloon Size by Analysis of Mitral Valve Geometry Using Three-Dimensional Transesophageal Echocardiography in Patients With Mitral Stenosis.
Am J Cardiol
January 2025
Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea. Electronic address:
Article Synopsis
- The study evaluated the effectiveness of using 3D transesophageal echocardiography to determine balloon size for percutaneous mitral balloon commissurotomy (PMBC) in patients with mitral stenosis (MS).
- Traditional methods of selecting balloon size rely on a patient's height or body surface area, which may not be as accurate as the new approach based on mitral valve measurements.
- Results showed that using optimized formulas for balloon size selection led to different outcomes in groups with successful PMBC, residual MS, or significant mitral regurgitation (MR), suggesting that 3D measurements can improve treatment efficacy.
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