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| http://dx.doi.org/10.1016/j.annemergmed.2019.05.029 | DOI Listing |
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Automatic 4D mitral valve segmentation from transesophageal echocardiography: a semi-supervised learning approach.
Med Biol Eng Comput
January 2025
Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy.
Performing automatic and standardized 4D TEE segmentation and mitral valve analysis is challenging due to the limitations of echocardiography and the scarcity of manually annotated 4D images. This work proposes a semi-supervised training strategy using pseudo labelling for MV segmentation in 4D TEE; it employs a Teacher-Student framework to ensure reliable pseudo-label generation. 120 4D TEE recordings from 60 candidates for MV repair are used.
View Article and Find Full Text PDFThe US4ABL Strategy: A Systematic Ultrasound-Guided Approach for Left Atrial and Ventricular Ablation Procedures.
J Clin Med
December 2024
Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, 40225 Düsseldorf, Germany.
: The safety and efficacy of electrophysiological (EP) procedures using ultrasound (US) guidance are being increasingly studied. We investigated if a systematic workflow with ultrasound guidance (the US4ABL), comprising four steps (transesophageal echocardiography (TEE) for left atrial thrombus exclusion, US of the groin vessels to guide femoral access, TEE-aided transseptal puncture, and transthoracic echocardiography (TTE) for exclusion of pericardial tamponade after the procedure), reduces the number of complications and fluoroscopy duration and dose. : A total of 212 consecutive patients underwent left-sided ablations using the US4ABL workflow and were compared to a group of 299 patients who underwent the same type of ablations using post-procedural TTE to exclude tamponade (standard group: venous and/or arterial access by palpation and fluoroscopy, and pressure guided transseptal puncture).
View Article and Find Full Text PDFCarbohydrate Mouth Rinsing Improves Softball Launch Angle Consistency: A Double-Blind Crossover Study.
Nutrients
January 2025
Graduate Program in Department of Exercise Health Science, National Taiwan University of Sport, Taichung 404, Taiwan.
(1) Background: Carbohydrate mouth rinsing (CMR) stimulates the central nervous system and improves motor control. However, no studies have examined the effects of CMR on softball batting performance. The purpose of this study was to investigate the effect of CMR on softball batting performance.
View Article and Find Full Text PDFLeft atrial appendage cannulation for left ventricular unloading in a patient with ventricular thrombus on extracorporeal life support.
J Cardiothorac Surg
January 2025
Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Vienna, Austria.
Background: Left ventricular unloading is needed in patients on extracorporeal life support (ECLS) with severely impaired left ventricular contractility to avoid stasis and pulmonary congestion, and to promote LV recovery. The presence of thrombi in the LV precludes the use of conventional active unloading methods such as transaortic microaxial pumps or apical LV vents. We describe placement of a vent cannula via the left atrial appendage (LAA) as a useful bailout option.
View Article and Find Full Text PDFManaging Recurrent Carbon Dioxide Embolism During Laparoscopic Hepatectomy With Transesophageal Echocardiography Guidance: A Case Report.
A A Pract
January 2025
Department of Anesthesiology and Perioperative Medicine, University of California - Irvine, Irvine, California.
Carbon dioxide gas emboli is a potentially fatal complication that occurs more frequently during laparoscopic hepatectomy compared to other laparoscopic surgeries. The patient featured in this report had massive gas embolism confirmed by intraoperative transesophageal echocardiography (TEE) that were associated with episodes of severe hypoxemia, hemodynamic instability, and right ventricular failure requiring conversion to open hepatectomy. Abrupt abdominal decompression resulted in massive hemorrhage from a previously undetected defect in the middle hepatic vein.
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