Circulatory and respiratory consequences of massive hemorrhage are reversed by protoveratrines |
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Authors: | A Bertolini W Ferrari S Guarini S Tagliavini |
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Institution: | (1) Institute of Pharmacology, University of Modena, via G. Campi 287, I-41100 Modena, (Italy) |
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Abstract: | Summary In a rat model of severe hypotension and respiratory depression induced by step-wise bleeding, protoveratrines cause a prompt and sustained improvement of cardiovascular and respiratory functions, both in anesthetized and in conscious animals, seemingly through a magnification of the reflex response originated by the chemoreceptors of aortic and carotid bodies. The restoration of cardiovascular function is attributable to an increase both in total peripheral resistance and cardiac output. The finding could provide the basis for a new approach to the first-aid management of massive blood losses. |
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Keywords: | Hemorrhage hypovolemic shock hypotension respiratory depression protoveratrines |
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