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Catheter Ablation of Idiopathic Left Anterior Fascicular Ventricular Arrhythmias: Predicting Origin Sites via Mapping and Electrocardiography.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiology, Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Background: Idiopathic ventricular arrhythmias (VAs) arising from the left anterior fascicle (LAF) are uncommonly seen, and their characteristics still need to be sufficiently investigated. This study aimed to conclude these VAs' characteristics and explore efficient ablation strategies.
Methods: Data were analyzed from 118 patients undergoing successful catheter ablation for LAF VAs.
Diffusion tensor imaging of vastus lateralis in patients with inflammatory myopathies.
Rheumatology (Oxford)
October 2024
MSK Radiology, Royal Orthopedic Hospital, Birmingham, UK.
Article Synopsis
- The study aimed to explore how diffusion tensor imaging (DTI) could detect inflammation in the vastus lateralis muscle of patients with myositis and correlate it with histopathological findings.
- It involved 43 patients, with MRI scans and muscle biopsies taken to analyze muscle edema and fatty infiltration, comparing imaging data to histopathological results.
- Findings showed that while certain MRI parameters indicated muscle inflammation, adding DTI or DWI did not significantly improve the detection of active inflammation in myositis cases.*
Fascicular Substrate Modification to Treat Human Ventricular Fibrillation.
JACC Clin Electrophysiol
August 2024
Texas Cardiac Arrhythmia Institute, Austin, Texas, USA.
Article Synopsis
- Purkinje fibers are important in causing ventricular fibrillation (VF) and polymorphic ventricular tachycardia (PMVT), and fascicular substrate modification (FSM) is a proposed treatment method for recurrent VF.
- This study examined 18 patients who underwent catheter-based FSM targeting the Purkinje fibers, finding that the procedure was both safe and effective, with no complications and high success rates.
- After 24 months, 88.9% of the patients remained free from arrhythmias, highlighting the efficacy of FSM compared to traditional antiarrhythmic medications.
Successful mapping and ablation of a pediatric-onset non-reentrant fascicular tachycardia.
J Cardiol Cases
April 2024
Department of Pediatrics, Graduate School of Medical Science, Kyushu University Hospital, Fukuoka City, Japan.
Unlabelled: Non-reentrant fascicular tachycardia (NRFT) developed in a 6-year-old Japanese boy. Because of drug-resistant recurrences, he received catheter mapping and ablation at age 10 years. An electrocardiogram exhibited a superior left-axis deviation, a right bundle branch block-type configuration, and relatively narrow QRS with sharp R wave.
View Article and Find Full Text PDFIdiopathic Premature Ventricular Contraction Catheter Ablation, Sedentary Population vs. Athlete's Populations: Outcomes and Resumption of Sports Activity.
J Clin Med
March 2024
Cardiology and Arrhythmology Clinic, University Hospital "Ospedali Riuniti", 60126 Ancona, Italy.
Article Synopsis
- * A total of 79 patients underwent ablation, showing a high percentage of PVC reduction, with athletes experiencing a reduction similar to non-athletes: median decrease of 98% for both groups.
- * The results indicated that a significant number of athletes were able to return to their physical activities after 3 months, with many reporting symptom improvement after the procedure, confirming that PVC CA is effective and safe for athletes.
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