Thromboembolectomy is often guided with fluoroscopy. For intracardiac and great vessel thromboemboli, transesophageal echocardiography (TEE) can assess these thrombi, guide precise suction catheter placement, prevent intracardiac injury, and serve as a hemodynamic monitor. TEE can also be used to assess blood flow and thrombotic material reduction following embolectomy. TEE is a low-risk, high-value, real-time imaging modality that facilitates thromboembolectomy and increases patient safety.
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http://dx.doi.org/10.1080/08998280.2019.1673920 | DOI Listing |
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 PDFTurk Kardiyol Dern Ars
January 2025
Department of Cardiology, Gülhane Faculty of Medicine, University of Health Sciences, Ankara, Türkiye.
Severe mitral regurgitation (MR) following surgical repair of the mitral valve poses a significant clinical challenge. Patients who have undergone surgery are typically at high risk for a second operation. This report details the case of a 54-year-old male who underwent aortic valve replacement and mitral valve repair using a 34-ring, 14 years prior.
View Article and Find Full Text PDFJ 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 PDFA 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.
View Article and Find Full Text PDFCureus
December 2024
Cardiovascular Surgery, Ayase Heart Hospital, Tokyo, JPN.
Subvalvular aortic stenosis typically manifests at a young age and rarely presents in adulthood. It may cause left ventricular outflow tract stenosis, which requires surgical treatment in severe cases. The coexistence of discrete subvalvular aortic stenosis and quadricuspid aortic valve is a highly unusual finding.
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