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Contemporary Insights into LMNA Cardiomyopathy.
Curr Cardiol Rep
January 2025
Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Purpose Of Review: This review aims to explore how a diagnosis of LMNA-related cardiomyopathy (LMNA-CM) informs clinical management, focusing on the prevention and management of its complications, through practical clinical strategies.
Recent Findings: Longitudinal studies have enhanced our understanding of the natural history of LMNA-CM including its arrhythmic and non-arrhythmic complications. A LMNA specific ventricular arrhythmia risk prediction strategy has been integrated into clinical practice guidelines.
In vivo toxic and lethal cardiorespiratory effects of a synthetic quaternary ammonium salt derivative of haloperidol in mice.
Animal Model Exp Med
January 2025
Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, China.
Background: To investigate the toxicity of N-n-butyl haloperidol iodide (F2), a quaternary ammonium salt derivative of haloperidol, in mice for potential therapeutic purposes.
Methods: The acute median lethal dose (LD) of F2 was determined using the Bliss method following intravenous administration in mice. Routine surface electrocardiograms (ECGs) and arterial blood pressures (aBPs) were recorded under general anesthesia in untreated and pharmacologically vagotomized mice injected with F2.
Omnipolar mapping versus point-by-point mapping approach for catheter ablation of atrioventricular accessory pathway.
J Interv Card Electrophysiol
January 2025
Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsugagun, Tochigi, 321-0293, Japan.
Background: The conventional mapping approach for the atrioventricular accessory pathway (AP) involves point-by-point mapping to identify the connection sites of the AP to the atria or ventricle and accurate interpretation of local electrograms. Omnipolar mapping technology (OMT) explains how vector and wave speed are produced by using both unipolar and bipolar signals to obtain omnipolar signals, directions, and conduction velocity. The aim of this study is to verify the effectiveness of OMT for catheter ablation of AP.
View Article and Find Full Text PDFTriple M overlap syndrome following pembrolizumab treatment: importance of multidisciplinary approach.
BMJ Case Rep
January 2025
Medical Oncology, Alicante Institute for Health and Biomedical Research, Alicante, Comunidad Valenciana, Spain.
The increasing use of immune checkpoint inhibitors in clinical practice is associated with a broad spectrum of immune-related adverse events, such as cardiac, rheumatological and neurological toxicities. Myocarditis is a life-threatening complication, and the concurrent development of myocarditis, myositis and/or myasthenia leads to difficulties in diagnosis, management and treatment. We describe a case presenting with this triple M overlap syndrome following pembrolizumab treatment.
View Article and Find Full Text PDFAssociation between epigenetic aging and atrioventricular block: a two-sample Mendelian randomization study.
Epigenomics
January 2025
Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P. R. China.
Aims: Atrioventricular block (AVB) is a prevalent bradyarrhythmia. This study aims to investigate the causal effects of epigenetic aging, as inferred from DNA methylation profiles on the prevalence of AVB by Mendelian randomization (MR) analysis.
Methods: Genetic instruments for epigenetic aging and AVB were obtained from genome-wide association study data in the Edinburgh DataShare and FinnGen biobanks.
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