Cited by 220Heart Rate Variability and Autonomic ControlCardiovascular, Neuropeptides, and Oxidative Stress ResearchBlood Pressure and Hypertension Studies

The effects of stimulation of the left atrial receptors on sympathetic efferent nerve activity

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Karim, F., Kidd, C., Malpus, C. M., Penna, P. E.·1972·The Journal of Physiology

Abstract

1. Activation of left atrial receptors by distension of balloons at the pulmonary vein-atrial junctions caused an increase in the cardiac sympathetic nerve activity, a decrease in the renal sympathetic nerve activity, and no change in the lumbar and splenic sympathetic nerve activity.2. The cardiac and renal nerve responses to balloon distension were abolished by vagal blockade in the neck.3. The results provide additional evidence that the reflex increase in the heart rate following stimulation of the left atrial receptors is mediated by selective activation of cardiac sympathetic nerve fibres.4. The inhibitory effect of atrial receptor activation on the renal sympathetic nerve activity suggests that a neural factor, possibly involving renal haemodynamics, may be a component of the diuretic response to the activation of the left atrial receptors.5. The results provide further evidence for the selective nature of the pattern of reflex responses to left atrial receptor activation and show for the first time a directionally fractionated response from sympathetic efferent neurones.

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Registry

Crossref · 10.1113/jphysiol.1972.sp010030

Cites

29 of 29 references verified0 citation errors · 0 not checkable

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  • Stimulation of mechanoreceptors in the walls of the atria and vein-atrial junctions does not affect the discharge in peripheral sympathetic nerves.

    “stimulation of mechanoreceptors in the walls of the atria and vein-atrial junctions has been shown not to affect the discharge in peripheral sympathetic nerves (40).”

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Authors
Karim, F., Kidd, C., Malpus, C. M., & Penna, P. E.
Venue
The Journal of Physiology
Publisher
Wiley
Published
1972-12
Volume
227
Issue
1
Pages
243-260
ISSN
  • 0022-3751 (ISSN-L)
  • 1469-7793
OpenAlex
W2121185983
Cited by
220
References
30
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2022: 1 · 2020: 3 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 1 · 2015: 1 · 2014: 2 · 2013: 3 · 2012: 3
FWCI
13.28
Type
journal article
Language
en
Open access
Locations
  • The Journal of Physiology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Health Sciences › Medicine › Surgery › Cardiovascular, Neuropeptides, and Oxidative Stress Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
Keywords
baroreflex, cardiac sympathetic activity, renal sympathetic nerve activity, vagal blockade, balloon distension, diuretic response, renal hemodynamics, lumbar sympathetic nerve activity
MeSH terms
Action Potentials, Animals, Blood Pressure, Carotid Arteries, Dogs, Electrocardiography, Femoral Artery, Heart, Heart Rate, Kidney, Lumbosacral Plexus, Neurons, Neurons, Efferent, Physical Stimulation, Pulse, Sensory Receptor Cells, Reflex, Spleen, Sympathetic Nervous System, Vagus Nerve

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