The effects of changes in the carotid sinus baroreceptor activity on splanchnic blood flow in anesthetized man

In 9 patients being subjected to abdominal surgery, electromagnetic blood flow measurements were obtained from the hepatic, mesenteric and iliac beds while the carotid sinus baroreceptors were stimulated by carotid sinus massage. Carotid sinus stimulation produced an average maximum decrease in mean...

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Published in:Acta physiologica Scandinavica 1979-06, Vol.106 (2), p.187-189
Main Authors: TYDÉN, G., SAMNEGÅRD, H., THULIN, L.
Format: Article
Language:English
Subjects:
Abdomen - blood supply
Aged
Blood Circulation
Blood Pressure
Carotid Sinus - physiology
Humans
Liver Circulation
Massage
Middle Aged
Pressoreceptors - physiology
Vascular Resistance
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description In 9 patients being subjected to abdominal surgery, electromagnetic blood flow measurements were obtained from the hepatic, mesenteric and iliac beds while the carotid sinus baroreceptors were stimulated by carotid sinus massage. Carotid sinus stimulation produced an average maximum decrease in mean arterial pressure of 21%. Hepatic and mesenteric blood flows decreased by 15% and calculated vascular resistances were not significantly changed in these vascular beds. Iliac blood flow, on the other hand, showed a slight increase and iliac vascular resistance was decreased by 29%. It is concluded that the splanchnic vascular bed is of less importance in the carotid sinus baroreflex control of systemic arterial pressure in anesthetized man.
doi_str_mv 10.1111/j.1748-1716.1979.tb06388.x
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Carotid sinus stimulation produced an average maximum decrease in mean arterial pressure of 21%. Hepatic and mesenteric blood flows decreased by 15% and calculated vascular resistances were not significantly changed in these vascular beds. Iliac blood flow, on the other hand, showed a slight increase and iliac vascular resistance was decreased by 29%. 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source Wiley-Blackwell Journals (Backfile Content)
subjects Abdomen - blood supply
Aged
Blood Circulation
Blood Pressure
Carotid Sinus - physiology
Humans
Liver Circulation
Massage
Middle Aged
Pressoreceptors - physiology
Vascular Resistance
title The effects of changes in the carotid sinus baroreceptor activity on splanchnic blood flow in anesthetized man
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