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Spatial displacement on three-dimensional maps caused by rhythm differences in premature ventricular contraction ablation.
Indian Pacing Electrophysiol J
January 2025
Department of Cardiology, Tosei General Hospital, Seto, Aichi, Japan.
Introduction: Three-dimensional (3D) maps are useful for premature ventricular contraction (PVC) ablation. However, positional information changes compared with sinus rhythm when PVCs appear, rendering ablation difficult. We aimed to understand the spatial displacement characteristics of PVC ablation in 3D maps and the therapeutic effect after correction using the LAT-Hybrid function.
View Article and Find Full Text PDFRhythmic EEG patterns: The oldest idea in the EEG world, but without an obvious definition.
Clin Neurophysiol
January 2025
Epilepsy and EEG Unit, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA.
The word "rhythmic" was quickly introduced in the vocabulary of the electroencephalographers with the discovery of the alpha rhythm and typical discharges of spike-and-waves at 3 Hz in childhood absence epilepsy, but without any definition until recently. In its last revision (2017), the International Federation of Clinical Neurophysiology proposed a specific definition. The word "rhythmic" is "applied to regular waves occurring at a constant period and of relatively uniform morphology.
View Article and Find Full Text PDFPrevalence and Prognostic Impact of ST Segment Elevation in Lead aVR Among Patients with Cardiac Arrest.
Eur Heart J Acute Cardiovasc Care
January 2025
Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, CT.
Background: In acute coronary syndrome, ST-segment elevation in lead aVR (STE-aVR) indicates global myocardial ischemia, often related to multivessel or severe left main disease, and correlates with increased mortality. The prevalence and prognostic significance of STE-aVR in cardiac arrest (CA) patients is unknown.
Methods: We identified patients (≥18 years) with CA between 2011 to 2022 who achieved return of spontaneous circulation (ROSC).
Circadian rhythm disruption aggravates alveolar bone loss in rat apical periodontitis.
Int Endod J
January 2025
Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Background: Circadian rhythm disruption (CRD) affects the expression levels of a range of biological clock genes, such as brain and muscle ARNT-Like-1 (BMAL1), which is considered to be an important factor in triggering or exacerbating inflammatory response. However, the underlying effect of CRD on the pathogenesis of apical periodontitis, a common oral inflammatory disease, currently remains unknown. Exploring the effects and pathogenic mechanisms of CRD on apical periodontitis will be beneficial in providing new ideas for the prevention and treatment of apical periodontitis.
View Article and Find Full Text PDFEffects of daridorexant on rest/wake activity patterns and drinking in adult rats exposed to chronic ethanol vapor in adolescence.
Alcohol
January 2025
Department of Neuroscience, The Scripps Research Institute, La Jolla CA 92037. Electronic address:
Disturbance in sleep and activity rhythms are significant health risks associated with alcohol use during adolescence. Many investigators support the theory of a reciprocal relationship between disrupted circadian rhythms, sleep patterns, and alcohol usage. However, in human studies it is difficult to disentangle other factors (i.
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