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Friday, April 24, 2020 | History

2 edition of effects of carotid sinus nerve stimulation on cardiovascular dynamics found in the catalog.

effects of carotid sinus nerve stimulation on cardiovascular dynamics

P. AМЉke OМ€berg

effects of carotid sinus nerve stimulation on cardiovascular dynamics

a bioengineering approach

by P. AМЉke OМ€berg

  • 118 Want to read
  • 16 Currently reading

Published by [University of Uppsala] in Uppsala .
Written in English

    Subjects:
  • Carotid sinus.,
  • Neural stimulation.,
  • Hemodynamics.

  • Edition Notes

    Statementby P. Åke Öberg.
    SeriesUppsala Universitet Medicinska fakulteten Abstracts of Uppsala dissertation from the Faculty of Medicine ;, 115, Acta Universitatis Upsaliensis, Acta Universitatis Upsaliensis., 115.
    Classifications
    LC ClassificationsRM872 .O34
    The Physical Object
    Pagination23 p.
    Number of Pages23
    ID Numbers
    Open LibraryOL5248855M
    LC Control Number75321185


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effects of carotid sinus nerve stimulation on cardiovascular dynamics by P. AМЉke OМ€berg Download PDF EPUB FB2

The carotid sinus contains numerous baroreceptors which function as a "sampling area" for many homeostatic mechanisms for maintaining blood carotid sinus baroreceptors are innervated by the sinus nerve of Hering, which effects of carotid sinus nerve stimulation on cardiovascular dynamics book a branch of the glossopharyngeal nerve (CN IX).

The neurons which innervate the carotid sinus centrally project to the solitary nucleus in the MeSH: D The Rheos device has been extensively tested in animals, reflecting current stringent requirements by regulatory authorities worldwide. Carotid baroreceptor stimulation was effective in reducing blood pressure of conscious normotensive dogs [] and in obesity-induced hypertension [].On the other hand, blood pressure reduction effects of carotid sinus nerve stimulation on cardiovascular dynamics book significantly attenuated, but not abolished, Cited by: The carotid sinus nerves were selectively stimulated in three patients and observations were made in basal state before and 15 minutes after the onset of continuous stimulation.

The myocardial oxygen consumption decreased from ± to ± ml/min/ gm, and the coronary blood flow from 48 ± 6 to 43 ± 6 ml/min/ gm (mean ± SE). The coronary Cited by: The carotid sinus nerves were selectively stimulated in three patients and observations were made in basal state before and 15 minutes after the onset of continuous stimulation.

The myocardial oxygen consumption decreased from ± to ± ml/min/ gm, and the coronary blood flow from 48 ± 6 to 43 ± 6 ml/min/ gm (mean ± SE).Cited by: The carotid sinus region is an important baroreceptor area involved in blood pressure regulation.

8 During dissection of the carotid artery, caution should be exercised to avoid disruption of the carotid sinus nerves (Fig. Sinus bradycardia and hypotension may occur owing to baroreceptor stimulation with the possibility of a new setpoint. Number: Policy. Aetna considers implantable carotid sinus stimulators (e.g., the Barostim neo ™ System, and the Rheos Baroreflex Hypertension Therapy System) experimental and investigational for the treatment of hypertension and for all other indications (e.g., heart effects of carotid sinus nerve stimulation on cardiovascular dynamics book because its effectiveness has not been established.

Aetna considers magnetic stimulation of. From these experiments, one can conclude that stimulation of the carotid baroreceptor or carotid sinus nerve can, indeed, lower blood pressure, at least in experimental animals.

Human Experiments Carlsten and colleagues [ 13 ] were the first to report on the effects of brief episodes of direct carotid sinus stimulation in by:   Electrical carotid sinus stimulation lowered blood pressure in various hypertensive animal models and improved cardiac remodeling and survival in experimental heart failure.

In human mechanistic profiling studies, electrical carotid sinus stimulation was shown to lower blood pressure effects of carotid sinus nerve stimulation on cardiovascular dynamics book sympathetic inhibition; however, the response showed Author: Jens Jordan, Jens Tank, Hannes Reuter.

Cardiovascular effects of direct stimulation of the carotid sinus nerve in man. Carlsten A, Folkow B, Grimby G, et al. Acta Physiol Scand– Recent insights into the interactions between the baroreflex and the kidneys in hypertension.

Lohmeier. The carotid sinus receives innervation via cranial nerve IX (glossopharyngeal nerve). This nerve synapses in the nucleus tractus solitarii of the medulla oblongata which then indirectly adjusts the level of autonomic outflow and controls the body’s blood pressure by altering the cardiac output and smooth muscle tone in the vasculature.

Testerman, R. L., and Schwartz, S. Electrical stimulation of the rabbit's aortic nerve and the dog's carotid sinus nerve: A parameter study. Nervous System and Electric Currents. New York: Plenum Press, Cited by: 2. athetic nerve activity (SNA) from the peroneal nerve of the right leg were made during unilateral carotid sinus stimulation.

A sustained neck pressure (≈25± 2 mm Hg) was applied to right and left carotid sinuses, as well as bilaterally, for 5 s in 10 healthy subjects using a customized neck collar device partitioned to allow for stimulation of only one side of the neck. In addition to.

sinus [si´nus] 1. a recess, cavity, or channel, such as one in bone or a dilated channel for venous blood. an abnormal channel or fistula, permitting escape of pus. paranasal sinus.

anal s's furrows, with pouchlike recesses at the distal end, separating the rectal columns; called also anal crypts. anterior s's (sinus anterio´res) the anterior. Nonlinear Summation of Depressor Effects of Carotid Sinus Pressure Changes and Aortic Nerve Stimulation in the Rabbit Naohisa Ishikawa and Kiichi Sagawa From the Department of Biomedical Engineering, School of Medicine, The Johns Hopkins University, Baltimore, Maryland SUMMARY.

We studied the interaction between the carotid sinus and aortic. Right carotid sinus gain was found to be +/- at a left carotid sinus pressure of 50 mmHg and +/- when left carotid sinus pressure was. Carotid Sinus. The carotid sinus is a baroreceptor that senses changes in systemic blood pressure and is located in the adventitia of the carotid bulb of the internal carotid artery.

Due to its location the carotid sinus is an intimately related but distinct organ from the carotid body. Arterial baroreceptors play a crucial role in the adjustment of the cardiovascular system to several surrounding conditions. In a simplified paradigm, baroreceptor stimulation results in arterial pressure changes that can modulate both sympathetic and vagal activity and, as a consequence, heart rate and myocardial electrophysiological properties, contractility and Cited by: 3.

4 The carotid sinus is located at the upper border of the thyroid cartilage medial to the sternocleidomastoid muscle 1 or at the point of maximal pulsation between the angle of the mandible and.

Cardiovascular Physiology Neural Control Mechanisms contains the proceedings of the symposia of the 28th International Congress of Physiology held in Budapest between 13 and 19 of July, Organized into six parts, this book begins with an elucidation of the integrative role of the autonomic nervous system in the regulation of cardiovascular Pages: Original Article from The New England Journal of Medicine — Relief of Angina Pectoris by Electrical Stimulation of the Carotid-Sinus NervesCited by: Carotid sinus hypersensitivity (CSH) has long been recognized as a cause of syncope in the elderly patient.

Nonspecificity of symptoms and concomitant cardiac, cerebrovascular, and vestibular disease frequently delay proper diagnosis and treatment. 1 x 1 Arenberg, K, Cummins, GM Jr, Bucy, PC, and Oberhill, HR.

Symptomatic hyperirritable carotid sinus by: C. EYZAGUIRREANDJ. LEWIN in vivo produces only a small increase in chemoreceptor discharge ap- parently due to vasoconstriction. No evidence of a direct sympathetic effect either onthe sensory nerve endings or onglomerular cells has been found.

However, a number ofnon-myelinated (C) fibres of sympathetic origin elicit potentials in the carotid nerve upon stimulation Cited by:   In a new study in rats, researchers have demonstrated that is possible to restore insulin sensitivity and glucose homeostasis by modulating.

Carotid sinus stimulation synonyms, Carotid sinus stimulation pronunciation, Carotid sinus stimulation translation, English dictionary definition of Carotid sinus stimulation. A dilated area located at the bifurcations of the carotid arteries and containing numerous baroreceptors that function in the control of blood pressure.

Sensory nerve endings that are located in the carotid bodies are rich in vagal fibers. How, and why, would external stimulation of the carotid artery, such as carotid massage, affect the heart rate.

The heart rate would slow down because of stimulation of the parasympathetic system. The influence of posture on the effect of carotid sinus massage (CSM) in patients with heart disease has not been systematically evaluated.

In the present study CSM was performed in 80 patients (mean age 55 ± 10 (SD) years) suffering from Cited by: 3. OBJECTIVES The purpose of the present study was to systematically evaluate the diagnostic utility of mechanical, pharmacological and orthostatic stimulation of the carotid sinus in a consecutive series of patients with recurrent unexplained syncope.

BACKGROUND Carotid sinus hypersensitivity (CSH) is an infrequently recognized cause of recurrent Cited by: The most important arterial baroreceptors are located in the carotid sinus (at the bifurcation of external and internal carotids) and in the aortic arch (Figure 1).

These receptors respond to stretching of the arterial wall so that if arterial pressure suddenly rises, the walls of these vessels passively expand, which increases the firing. Cardiovascular disease; Electronic modulation of carotid sinus nerve can be used as a treatment for type 2 diabetes in rats.

without. Cardiovascular Physiology Neural Control Mechanisms contains the proceedings of the symposia of the 28th International Congress of Physiology held in Budapest between 13 and 19 of July, Organized into six parts, this book begins with an elucidation of the integrative role of the autonomic nervous system in the regulation of cardiovascular Book Edition: 1.

Electronic modulation of carotid sinus nerve can be used as a treatment for type 2 diabetes in rats Diabetologia. Share. Print E-Mail without significant adverse effects. It has also been. CSENA - Carotid Sinus Efferent Nerve Activity. Looking for abbreviations of CSENA. It is Carotid Sinus Efferent Nerve Activity.

Carotid Sinus Efferent Nerve Activity listed as CSENA. Carotid Sinus Efferent Nerve Activity - How is Carotid Sinus Efferent Nerve Activity abbreviated. Carotid sinus stimulation; Carotid sinus stimulation; carotid. The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with the parasympathetic control of the heart, lungs, and digestive vagus nerves are normally referred to in the singular.

It is the longest nerve of the autonomic nervous system in the human ending part of the vagus nerve is known as the nucleus Innervates: Levator veli. XVII. Effects of ouabain on the hemodynamic response to exercise in patients with mitral stenosis in normal sinus rhythm.

N Engl J Med. Jan 18;(3) Benchimol A, Wu T, Liggett MS. Effect of exercise and isoproterenol on the cardiovascular dynamics in complete heart block at various heart rates. Am Heart J. Sep;   Carotid sinus hypersensitivity: block of the sternocleidomastoid muscle does not affect responses to carotid sinus massage in healthy young adults Matthew G.

Lloyd Department of Biomedical Physiology and Kinesiology, Simon Author: Matthew G. Lloyd, James M. Wakeling, Michael S. Koehle, Robert J. Drapala, Victoria E. Claydon. The carotid sinus syndrome (CSS) is characterized by syncope and hypotension due to a hypersensitive carotid sinus located in the carotid bifurcation.

Some patients ultimately require surgical sinus denervation, possibly by transection of its afferent nerve (carotid sinus nerve [CSN]). The aim of this study was to investigate the anatomy of the CSN and its by:   This editorial refers to ‘The role of pacemaker in hypersensitive carotid sinus syndrome’ by R.

Lopes et al., on page Despite the fact that permanent cardiac pacing for patients affected by cardioinhibitory carotid sinus syncope (CSS) is ranked as a class I or class IIa indication by the most recent European and American guidelines, 1–3 the evidence supporting Cited by:   The Cardiovascular Response to Systemic Hypoxia in the Cat: The Role of the Renin–Angiotensin System.- Effects of Hypoxia in Developing Swine.- The Effect of Prolonged Stimulation on Afferent Activity of the Goat Carotid Body.- Effect of Deep Peroneal Nerve Stimulation on the Carotid Chemoreceptor Afferent Discharges in Rabbits.-Pages: Apparatus is provided including an electrode device and a control unit.

The electrode device is configured to be coupled to a site of a subject selected from the group consisting of: a vagus nerve, an epicardial fat pad, a pulmonary vein, a carotid artery, a carotid sinus, a coronary sinus, a vena cava vein, a right ventricle, a right atrium, and a jugular by: stimulation of the carotid artery, such as carotid massage, affect the heart rate.

External stimulation of the carotid artery would slow the heart down because of the stimulation of the vagus nerve. ) Propranolol hydrochloride (Inderal) is a beta-adrenergic blocker often used as an antianginal, antiarrhythmic. pdf The carotid bodies (CB) pdf peripheral chemoreceptors that sense changes in arterial blood O2, CO2, and pH levels.

Hypoxia, hypercapnia, and acidosis activate the CB, which respond by increasing the action potential frequency in their sensory nerve, the carotid sinus nerve (CSN). CSN activity is integrated in the brain stem to induce a panoply of Cited by:   Carlsten A, Folkow B, Grimby G, et al. Download pdf effects of direct stimulation of the carotid sinus nerve in man.

Acta Physiol Scand ;– Crossref | PubMed; Braunwald E, Epstein SE, Glick G, et al. Relief of angina pectoris by electrical stimulation of the carotid-sinus nerves. N Engl J Med ;– Crossref | PubMedAuthor: Deepak l Bhatt, Anna Meta Dyrvig Kristensen, Manan Pareek, Michael Hecht Olsen.According to Miller, “bilateral ebook laryngeal nerve injury and resultant bilateral vocal cord paralysis can result in life-threatening upper airway obstruction.

This situation must be anticipated in patients who have previously undergone contralateral carotid endarterectomy or neck surgery.