Cited by 417Heart Rate Variability and Autonomic ControlCardiac electrophysiology and arrhythmiasNeuroscience of respiration and sleep

The DOI matches its Crossref record; 104 of the 104 references it cites were found in a registry or an index.

Potential clinical relevance of the “little brain” on the mammalian heart

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Armour, J. A.·2008·Experimental Physiology

Abstract

It is hypothetized that the heart possesses a nervous system intrinsic to it that represents the final relay station for the co‐ordination of regional cardiac indices. This ‘little brain’ on the heart is comprised of spatially distributed sensory (afferent), interconnecting (local circuit) and motor (adrenergic and cholinergic efferent) neurones that communicate with others in intrathoracic extracardiac ganglia, all under the tonic influence of central neuronal command and circulating catecholamines. Neurones residing from the level of the heart to the insular cortex form temporally dependent reflexes that control overlapping, spatially determined cardiac indices. The emergent properties that most of its components display depend primarily on sensory transduction of the cardiovascular milieu. It is further hypothesized that the stochastic nature of such neuronal interactions represents a stabilizing feature that matches cardiac output to normal corporal blood flow demands. Thus, with regard to cardiac disease states, one must consider not only cardiac myocyte dysfunction but also the fact that components within this neuroaxis may interact abnormally to alter myocyte function. This review emphasizes the stochastic behaviour displayed by most peripheral cardiac neurones, which appears to be a consequence of their predominant cardiac chemosensory inputs, as well as their complex functional interconnectivity. Despite our limited understanding of the whole, current data indicate that the emergent properties displayed by most neurones comprising the cardiac neuroaxis will have to be taken into consideration when contemplating the targeting of its individual components if predictable, long‐term therapeutic benefits are to accrue.

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Crossref · 10.1113/expphysiol.2007.041178

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Research works printed but not linked: 7

  1. Ardell JL, 1994, Neurocardiology, 95
  2. Brodde O‐E, 1994, Neurocardiology, 193
  3. Carlson MD, 1992, Autonomic influences on arrhythmia development, Prog Cardiol, 511, 59
  4. Heberdeen W, 1772, Some account of a disorder of the breast, Med Trans, 2, 59
  5. Hillarp N‐A, 1960, Handbook of Physiology, 979
  6. Levy MN, 1979, Handbook of Physiology, 581
  7. Oppenheimer SM, 1994, Neurocardiology, 309

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Metadata

Authors
Armour, J. A.
Affiliations
Hôpital du Sacré-Cœur de Montréal (CA)
Corresponding author
Armour, J. A.
Venue
Experimental Physiology
Publisher
Wiley
Published
2008-01-16
Volume
93
Issue
2
Pages
165-176
ISSN
  • 0958-0670 (ISSN-L)
  • 1469-445X
OpenAlex
W2153526423
Cited by
417
References
104
Citations by year
2026: 28 · 2025: 31 · 2024: 21 · 2023: 38 · 2022: 15 · 2021: 28 · 2020: 34 · 2019: 28 · 2018: 20 · 2017: 33 · 2016: 26 · 2015: 20 · 2014: 16 · 2013: 25 · 2012: 14
FWCI
1.16
Type
journal article
Language
en
Open access
Locations
  • Experimental Physiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroscience of respiration and sleep
Keywords
cardiac nervous system, cardiac ganglia, catecholamines, cardiac output regulation, heart disease, emergent properties
MeSH terms
Animals, Autonomic Nervous System, Heart, Humans, Mammals, Neural Pathways, Neurons

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