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Effects of afferent renal nerve stimulation on renal hemodynamic and excretory functions

Effects of afferent renal nerve stimulation on renal hemodynamic and excretory functions Our experiments were performed to verify whether electrical of afferent s can reflexly influence the functions of the contralateral kidney independently of concomitant pressor vasomotor changes. To this purpose, the of the contralatera1 innervated kidney were compared with the changes in the ipsilateral kidney which was exposed to the same influences but the innervation of which had been interrupted distally to the stimulating electrode. METHODS THAT THE VASCULATURE is densely innervated has long been known. More recently, adrenergic endings have also been identified in the juxtaglomerular apparatus (3) near the tubular cells (15). In agreement with this anatomic evidence, it has been shown that low-level electrical of efferent fibers can directly selectively increase renin release (13) or proximal water sodium tubular reabsorption (4, 10, 20) in the absence of any hemodynamic change. Thus efferent activity can influence not only hemodynamics (16, 22) but also renin release (25) the excretory functions of the kidney (12). On the other h, electrical of afferent s has been reported to elicit systemic hemodynamic changes in dogs (24) rabbits (1) , although in an opposite direction, in the cat as well (6). Furthermore, Calaresu et al. (5) Recordati et al. (17) have reported http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png AJP - Heart and Circulatory Physiology The American Physiological Society

Effects of afferent renal nerve stimulation on renal hemodynamic and excretory functions

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Publisher
The American Physiological Society
Copyright
Copyright © 1984 the American Physiological Society
ISSN
0363-6135
eISSN
1522-1539
Publisher site
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Abstract

Our experiments were performed to verify whether electrical of afferent s can reflexly influence the functions of the contralateral kidney independently of concomitant pressor vasomotor changes. To this purpose, the of the contralatera1 innervated kidney were compared with the changes in the ipsilateral kidney which was exposed to the same influences but the innervation of which had been interrupted distally to the stimulating electrode. METHODS THAT THE VASCULATURE is densely innervated has long been known. More recently, adrenergic endings have also been identified in the juxtaglomerular apparatus (3) near the tubular cells (15). In agreement with this anatomic evidence, it has been shown that low-level electrical of efferent fibers can directly selectively increase renin release (13) or proximal water sodium tubular reabsorption (4, 10, 20) in the absence of any hemodynamic change. Thus efferent activity can influence not only hemodynamics (16, 22) but also renin release (25) the excretory functions of the kidney (12). On the other h, electrical of afferent s has been reported to elicit systemic hemodynamic changes in dogs (24) rabbits (1) , although in an opposite direction, in the cat as well (6). Furthermore, Calaresu et al. (5) Recordati et al. (17) have reported

Journal

AJP - Heart and Circulatory Physiology – The American Physiological Society

Published: Oct 1, 1984

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