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Sex differences in the prognosis of nonsustained ventricular tachycardia detected on Holter recording.
Heart Rhythm O2
July 2024
Department of Cardiology, Bispebjerg and Frederiksberg Hospitals, Copenhagen University, Copenhagen, Denmark.
Background: Nonsustained ventricular tachycardia (NSVT) is a common finding during cardiac evaluation and has been linked to increased mortality. While some studies report a sex difference, most data stem from research cohorts.
Objective: This study aimed to assess the prognostic significance of NSVT in a real-life outpatient clinic, focusing on sex differences in mortality.
Introduction: Primary immunodeficiency diseases (PIDs), are a growing group of rarely seen diseases. Various clinical conditions like autoimmunity, lymphoproliferative/malignant diseases, chronic lung and gastrointestinal system diseases have been identified which accompanies PIDs besides recurrent infections. However, there is a lack of information about accompanying cardiovascular diseases.
View Article and Find Full Text PDFBeyond the usual challenges, a case of LV summit PVCs ablation in child with ASO for D-TGA.
BMC Cardiovasc Disord
December 2024
Magdi Yacoub Heart Foundation, Cairo, Egypt.
Premature ventricular contractions (PVCs) are a common finding in patients with surgically repaired congenital heart defects including transposition of the great arteries (D-TGA). While often asymptomatic, PVCs can sometimes lead to palpitations, dyspnea, and hemodynamic compromise, requiring therapeutic intervention. The arterial switch operation is the preferred treatment for D-TGA, but these patients have a 2% incidence of ventricular arrhythmias and 1% incidence of sudden cardiac death post-operatively.
View Article and Find Full Text PDFIntravascular Sympathetic Stimulation to Facilitate Catheter Ablation of Premature Ventricular Complexes.
JAMA Cardiol
December 2024
Section for Cardiac Electrophysiology, Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania, Philadelphia.
Importance: Infrequent intraprocedural premature ventricular complexes (PVCs) limit the efficacy of catheter ablation. Intravascular stimulation of sympathetic nerves via vertebral veins (VVs) has been used to activate cardiac sympathetic tone and may promote PVCs.
Objective: To characterize the ability of direct electrical sympathetic stimulation via VVs to induce PVCs at the time of catheter ablation.
An hiPSC-CM approach for electrophysiological phenotyping of a patient-specific case of short-coupled TdP.
Stem Cell Res Ther
December 2024
Department of Medical Physiology, University Medical Center Utrecht, Utrecht, The Netherlands.
Introduction: A healthy young woman, age 26 without prior cardiac complications, experienced an out-of-hospital cardiac arrest caused by ventricular fibrillation (VF), which coincided with a fever. Comprehensive diagnostics including echo, CMR, exercise testing, and genetic sequencing, did not identify any potential cause. This led to the diagnosis of idiopathic VF and installment of an implantable cardioverter defibrillator, which six months later appropriately intervened another VF episode under conditions comparable to the first event.
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