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In Ebstein’s anomaly, there is downward or apical displacement of posterior and septal tricuspid leaflets. The anterior leaflet is not displaced, but is elongated to meet the other leaflets, so that when it closes, a loud sound, tricuspid sound, is produced, which is called as the sail sound.
Methods and Results A total of 323 consecutive FAT patients who underwent electrophysiological study and radiofrequency catheter ablation between January 2011 and March 2023 were selected for this study. Young adults had a higher proportion of FAT originating from the superior vena cava and pulmonary veins. After a mean follow-up of 47.2
Although the electrcardiographic and electrophysiological properties of ventricular arrhythmias (VA) from the vicinity of lateral tricuspid annulus (TA) have been reported in previous studies, their precise site of origin have not been addressed.
ABSTRACT Introduction The suitability of high-power short-duration (HPSD) cavo-tricuspid isthmus ablation (CTI-Abl) for electrophysiology (EP) trainees, as well as the underlying mechanisms of its efficacy, remain unknown.
During atypical atrioventricular nodal reentrant tachycardia (AVNRT), the earliest atrial activation site following retrograde slow pathway (SP) conduction is at the atrial exit of the left inferior extension (LIE) in the coronary sinus (CS) or the right inferior extension (RIE) on the tricuspid annulus (TA).
However, AV node ablation in patients with bioprosthetic tricuspid valves poses technical challenges. Methods An 84-year-old male with an EVOQUE transcatheter tricuspid valve replacement underwent AV node ablation (AVNA) under intracardiac echocardiography (ICE) guidance.
Abstract Introduction Transvenous leads have been implicated in tricuspid valve (TV) dysfunction, but limited data are available regarding the effect of extracting leads across the TV on valve regurgitation. Methods We studied 321 patients who had echocardiographic data before and after lead extraction.
Right atrial function, particularly the tricuspidal E wave deceleration time, emerged as the only independent predictor of AVS ( p =0.03), with an AUC of 0.77. This prospective study enrolled 30 patients to assess the role of echocardiographic parameters in predicting AVS postimplantation.
Abstract Tricuspid regurgitation (TR) is a known complication of cardiac implantable electrical devices (CIEDs), with prevalences ranging from 10% to as high as 30%.
TR Options – H1 brought the FDA approvals of Edwards’ EVOQUE transcatheter tricuspid valve replacement system and Abbott’s TriClip tricuspid edge-to-edge repair (TEER) system, giving US interventionalists the options to repair or replace the tricuspid valve for the first time.
m/s) bound by the right ventriculotomy, ventricular septal defect patch, and tricuspid and pulmonic valves. Historically, risk stratification electrophysiologic studies involved programmed ventricular stimulation with VT induction guiding implantable cardioverter-defibrillator (ICD) implantation or VT ablation.
A standard electrophysiologic study was performed using multipolar-electrode catheters in the high right atrium, His bundle, right ventricular apex, and coronary sinus. He had a history of slow pathway ablation for atrioventricular nodal reentrant tachycardia three months ago.
Electrophysiologic study demonstrated 2 predominant PVC morphologies that were targeted with ablation, in addition to extensive abnormality with low-voltage and fractionated electrograms in the peri-tricuspid and right ventricular outflow tract free wall regions with septal sparing, suggestive of RV cardiomyopathy.
Tricuspid atresia – ECG Right atrial overload is manifest as tall P waves in lead II and left ventricular hypertrophy with strain pattern is seen in lateral leads with tall R waves, ST segment depression and T wave inversion. All these features together in a cyanotic congenital heart disease is characteristic of tricuspid atresia.
The LLPM could not traverse the tricuspid valve. Importantly, once the delivery sheath crosses the tricuspid valve, the snare is loosened to allow directing the sheath to the right ventricular septum rather than the initial direction that was toward the right ventricular apex.
The earliest atrial activation site (EAAS) was at the right inferior septum, followed by the inferolateral wall of the tricuspid annulus. Methods and Results We report a case of fast-slow type AVNRT with two distinct atrial breakthrough sites during tachycardia. Ablation at the EAAS shifted it to the inferolateral wall.
Methods and Results A 78-year-old female with severe tricuspid regurgitation received two TriClip devices. Abstract Introduction This case report highlights the novel role of His-bundle pacing (HBP) from right atrium, not just for preserving cardiac function, but also for avoiding interference with TriClip devices.
HFpEF was diagnosed from a history of congestive HF and/or combined criteria of N-terminal pro-brain natriuretic peptide (NT-proBNP) concentration and transthoracic echocardiogram parameters, including average septal-lateral E/e' and tricuspid regurgitation peak velocity.
Methods and Results This case report discusses a 65-year-old man who had previously undergone pulmonary vein isolation (PVI) and cavo-tricuspid isthmus ablation for atrial fibrillation before ASD closure, respectively. He developed atrial tachycardia (AT) and underwent catheter ablation.
In the PVI + group, extra PV ablation included left atrial posterior wall isolation (87%), mitral isthmus ablation (37%), and cavo-tricuspid isthmus ablation (3%). Results The study included 448 patients (347 PVI only, 101 PVI + ).
All patients demonstrated a significant decrease in LVEDD as well as a reduction in severity of mitral and tricuspid regurgitation during 1 year after LVAD implantation, reflecting left ventricular unloading through the LVAD.
Abstract Introduction Typical atrial flutter (AFL) is a macroreentrant tachycardia in which intracardiac conduction rotates counterclockwise around the tricuspid annulus. Typical AFL has specific electrocardiographic characteristics, including a negative sawtooth-like wave in the inferior lead and a positive F wave in lead V1.
Abstract Introduction Cavo-tricuspid isthmus (CTI) dependent atrial flutter (AFL) is one of the most common atrial arrhythmias involving the right atrium (RA) for which radiofrequency catheter ablation has been widely used as a therapy of choice. However, there is limited data on the effect of this intervention on cardiac size and function.
ABSTRACT Background The impact of tricuspid regurgitation (TR) on the outcomes of pulmonary vein isolation (PVI) for atrial fibrillation (AF) remains unclear. While the effects of mitral regurgitation (MR) on PVI outcomes are well-documented, there are limited data on how moderate or greater TR influences PVI efficacy and recurrence rates.
Institutional Coronary Artery Bypass Case Volumes and Outcomes European Journal of Heart Failure October 2023 Makoto Mori Robotic Mitral Valve Repair for Degenerative Mitral Regurgitation The Annals of Thoracic Surgery August 2023 Carlos Diaz-Castrillion Volume-Failure to Rescue Relationship in Acute Type A Aortic Dissections: An Analysis of The Society (..)
Institutional Coronary Artery Bypass Case Volumes and Outcomes European Journal of Heart Failure October 2023 Makoto Mori 1 Robotic Mitral Valve Repair for Degenerative Mitral Regurgitation The Annals of Thoracic Surgery August 2023 Carlos Diaz-Castrillion 2 Volume-Failure to Rescue Relationship in Acute Type A Aortic Dissections: An Analysis of The (..)
The mechanisms of arrhythmia initiation and the role of areas of slow conducting myocardium and functional block are still debated topics.MethodsWe conducted a detailed electrophysiological study of a patient to illustrate and refine these concepts.
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