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November 1, 1966Circulation ResearchOpen Access

Cardiac and Respiratory Effects of Aortic Arch Baroreceptor Stimulation

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Why the study?

Does elevation of pressure in the isolated aortic arch affect respiratory movements and cardiac function in anesthetized dogs?

Population

Anesthetized dogs

Comparison

Stepwise pressure variations in the isolated… vs Baseline or lower aortic arch pressures

Design

Preclinical

Authors

MLMatthew N. LevyTechnion – Israel Institute of TechnologyMNMANUEL L. NGRainbow Babies & Children's HospitalHZHARRISON ZIESKEMount Sinai Hospital

Discussion

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Implication

No direct clinical implications; leaves open translation of aortic arch baroreflex effects to human physiology.

Structured PICO

Does elevation of pressure in the isolated aortic arch affect respiratory movements and cardiac function in anesthetized dogs?

P
Population
Anesthetized dogs
I
Intervention
Stepwise pressure variations (elevation of pressure) in the isolated aortic arch
C
Comparator
Baseline or lower aortic arch pressures
O
Outcome
Reflex cardiac and respiratory effects (respiratory movements, heart rate, and peak pressure in the paced, isovolumetric left ventricle preparation)surrogate

Aortic arch baroreceptor stimulation via elevated pressure reflexively depresses respiratory movements and cardiac function in a canine model, mediated by both parasympathetic and sympathetic pathways.

Cite This Study

Levy et al. (1966) studied this question.

synapsesocial.com/papers/6a82df44ac779081c023bb3fhttps://doi.org/10.1161/01.res.19.5.930
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Carotid Sinus Baroreceptor Reflex Effects upon Myocardial Contractility1964 · 52 citations
  2. 2Comparison of the reflex responses elicited by stimulation of the separately perfused carotid and aortic body chemoreceptors in the dog1966 · 118 citations
  3. 3Depression of Ventricular Contractility by Stimulation of the Vagus Nerves1965 · 171 citations
  4. 4SYNCHRONICITY OF VENTRICULAR CONTRACTION: OBSERVATIONS COMPARING HAeMODYNAMIC EFFECTS OF ATRIAL AND VENTRICULAR PACING1963 · 201 citations