Guidelines for assessment of cardiac electrophysiology and arrhythmias in small animals

CM Ripplinger, AV Glukhov, MW Kay… - American Journal …, 2022 - journals.physiology.org
Cardiac arrhythmias are a major cause of morbidity and mortality worldwide. Although
recent advances in cell-based models, including human-induced pluripotent stem cell …

What to consider for ECG in mice—with special emphasis on telemetry

C Calvet, P Seebeck - Mammalian Genome, 2023 - Springer
Genetically or surgically altered mice are commonly used as models of human
cardiovascular diseases. Electrocardiography (ECG) is the gold standard to assess cardiac …

Aging impairs the neurovascular interface in the heart

JUG Wagner, LS Tombor, PF Malacarne… - Science, 2023 - science.org
Aging is a major risk factor for impaired cardiovascular health. Because the aging
myocardium is characterized by microcirculatory dysfunction, and because nerves align with …

[HTML][HTML] Preclinical studies on the impacts of frailty in the aging heart

RA Rose, SE Howlett - Canadian Journal of Cardiology, 2024 - Elsevier
Age is a major risk factor for the development of cardiovascular diseases in men and in
women. However, not all people age at the same rate and those who are aging rapidly are …

Emergence of heartbeat frailty in advanced age I: perspectives from life-long EKG recordings in adult mice

JM Moen, CH Morrell, MG Matt, I Ahmet, S Tagirova… - Geroscience, 2022 - Springer
The combined influences of sinoatrial nodal (SAN) pacemaker cell automaticity and its
response to autonomic input determine the heart's beating interval variability and mean …

Age-dependent contribution of intrinsic mechanisms to sinoatrial node function in humans

I Weiser-Bitoun, H Mori, T Nabeshima, N Tanaka… - Scientific Reports, 2023 - nature.com
Average beat interval (BI) and beat interval variability (BIV) are primarily determined by
mutual entrainment between the autonomic-nervous system (ANS) and intrinsic …

Evaluation of non-linear heart rate variability using multi-scale multi-fractal detrended fluctuation analysis in mice: Roles of the autonomic nervous system and …

M Moghtadaei, TW Dorey, RA Rose - Frontiers in Physiology, 2022 - frontiersin.org
Nonlinear analyses of heart rate variability (HRV) can be used to quantify the
unpredictability, fractal properties and complexity of heart rate. Fractality and its analysis …

Loss of natriuretic peptide receptor C enhances sinoatrial node dysfunction in aging and frail mice

HJ Jansen, M Moghtadaei, SA Rafferty… - The Journals of …, 2022 - academic.oup.com
Heart rate (HR) is controlled by the sinoatrial node (SAN). SAN dysfunction is highly
prevalent in aging; however, not all individuals age at the same rate. Rather, health status …

Sex-specific effects of frailty on cardiac structure and function: Insights from preclinical models

ES Bisset, SE Howlett - Canadian Journal of Physiology and …, 2024 - cdnsciencepub.com
Advanced age is an independent risk factor for cardiovascular diseases in both sexes. This
is thought to be due, in part, to age-dependent cellular, structural, and functional changes in …

Lifelong longitudinal assessment of the contribution of multi-fractal fluctuations to heart rate and heart rate variability in aging mice: role of the sinoatrial node and …

M Moghtadaei, S Tagirova, I Ahmet, J Moen… - GeroScience, 2024 - Springer
Aging is a major risk factor for sinoatrial node (SAN) dysfunction, which can impair heart rate
(HR) control and heart rate variability (HRV). HR and HRV are determined by intrinsic SAN …