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Artificial intelligence-assisted echocardiographic monitoring in pediatric patients on extracorporeal membrane oxygenation.
Front Cardiovasc Med
December 2024
Department of Ultrasonography, Shenzhen Children's Hospital, Shenzhen, China.
Background: Percutaneous extracorporeal membrane oxygenation (ECMO) is administered to pediatric patients with cardiogenic shock or cardiac arrest. The traditional method uses focal echocardiography to complete the left ventricular measurement. However, echocardiographic determination of the ejection fraction (EF) by manual tracing of the endocardial borders is time consuming and operator dependent.
View Article and Find Full Text PDFMapping and ablation of ventricular tachycardia using dual-energy lattice-tip focal catheter: early feasibility and safety study.
Europace
November 2024
Department of Cardiology, IKEM, Vídeňská 1958/9, Prague 140 00, Czechia.
Aims: Catheter ablation is an effective treatment method for recurrent ventricular tachycardias (VTs). However, at least in part, procedural and clinical outcomes are limited by challenges in generating an adequate lesion size in the ventricular myocardium. We investigated procedural and clinical outcomes of VT ablation using a novel 'large-footprint' catheter that allows the creation of larger lesions either by radiofrequency (RF) or by pulsed field (PF) energy.
View Article and Find Full Text PDFEndomyocardial Biopsy Using Rigid Bioptome Technique and the Risk of Tricuspid Regurgitation after Heart Transplantation.
Arq Bras Cardiol
October 2024
Serviço de Cardiologia - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS - Brasil.
Endomyocardial biopsy (EB) is the preferred procedure for post-heart transplant rejection diagnosis. The rigid bioptome technique has been used due to its greater simplicity and has been criticized for the potential risk of tricuspid regurgitation (TR). We aimed to review all the EBs performed by this technique in a tertiary center and estimate the rate of complications and/or aggravation of TR.
View Article and Find Full Text PDFAblation options for sub-epicardially located ventricular substrates responsible for ventricular tachycardia: where is it all headed?
Curr Opin Cardiol
January 2025
Cleveland Clinic Foundation, Cleveland, Ohio, USA.
Article Synopsis
- Patients with nonischemic and ischemic cardiomyopathy often experience re-entrant tachycardias related to scar tissue, making effective treatment challenging despite technological advances in mapping and ablation.
- Currently, percutaneous epicardial ablation is the preferred method after endocardial ablation fails, but high recurrence rates are a concern, with some energy sources like pulsed-field having limitations.
- New cryoablation technology using liquid helium shows promise for better outcomes in treating ventricular arrhythmias associated with subepicardial targets in NICM and ICM patients.
Percutaneous Extraction of Transvenous Permanent Pacemaker/Defibrillator Leads-A Single-Center Experience.
Medicina (Kaunas)
August 2024
Department of Cardiology, Ondokuz Mayıs University School of Medicine, Samsun 55139, Turkey.
: The number of cardiac pacemakers being used has increased in recent decades, and this increase has led to a rise in device-related complications, requiring percutaneous device extraction. Our aim was to present our single-center clinical experience in percutaneous lead extractions. : We analyzed an observational retrospective cohort study of 93 patients for the transvenous removal of a total of 163 endocardial leads.
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