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One-week test-retest recordings of resting cardiorespiratory data for reliability analysis.
Sci Data
January 2025
Lab for Autonomic Neuroscience, Imaging and Cognition (LANIC), Department of Psychosomatic Medicine and Psychotherapy, Jena University Hospital, Jena, Germany.
Heart rate variability (HRV) is a key indicator of cardiac autonomic function, making reliable assessment crucial. To examine the test-retest stability of resting HRV in healthy individuals, fifty participants attended two lab sessions within a week, at the same time of day. After a 5-minute acclimatization period, electrocardiogram and respiration were recorded at rest.
View Article and Find Full Text PDFEffectiveness of non-invasive vagus nerve stimulation vs heart rate variability biofeedback interventions for chronic pain conditions: A systematic review.
Scand J Pain
January 2024
Crean College of Health and Behavioral Sciences, Department of Physical Therapy, Chapman University, Irvine, United States.
Objectives: Autonomic regulation has been identified as a potential regulator of pain via vagal nerve mediation, assessed through heart rate variability (HRV). Non-invasive vagal nerve stimulation (nVNS) and heart rate variability biofeedback (HRVB) have been proposed to modulate pain. A limited number of studies compare nVNS and HRVB in persons with chronic pain conditions.
View Article and Find Full Text PDFClinical Manifestations.
Alzheimers Dement
December 2024
ARTFL-LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD) Research Consortium, CA, USA.
Background: Autonomic dysfunction has been linked to empathy deficits in symptomatic frontotemporal degeneration (FTD), but less is known about pre-symptomatic FTD mutation carriers (preFTD+). Our prior work found that increasing resting heart rate (RHR) over time predicts decline in emotional empathy in preFTD+. Here, we replicate previous findings in a large, multi-site consortium sample and assess relationships between RHR and empathy loss across disease stages.
View Article and Find Full Text PDFSympathetic nervous system inhibition enhances cardiac metabolism and improves hemodynamics and glucose-insulin dynamics in obese and lean rat models.
Sci Rep
January 2025
Department of Pharmacology, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University St., Iași, Romania.
This study aimed to investigate the effects of chronic sympathoinhibition on glucose uptake by the myocardium and by the skeletal muscle in an animal model of obesity associated with leptin signaling deficiency. 6 obese Zucker rats (OZR) and 6 control Lean Zucker rats (LZR) were studied during basal conditions, chronic clonidine administration (30 days, 300 µg/kg), and washout recovery period. Glucose uptake in the myocardium and in the skeletal muscle was measured using positron emission tomography (PET) and 2-[18F] fluoro-2-deoxy-D-glucose ([18F]FDG).
View Article and Find Full Text PDFThe role of the axonal guidance cue Semaphorin3A in innervation of the postnatal heart in health and disease.
Can J Cardiol
December 2024
Dept. of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.
During cardiac development the heart is innervated by the autonomous nervous system. After development, neurons of the autonomic nervous system have limited capacity for growth and regeneration. However, in the past decades, it has become clear that cardiac nerves can regenerate after cardiac damage.
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