Reflex Changes on the Pulmonary and Systemic Pressures Elicited by Stimulation of Baroreceptors in the Pulmonary Artery
- 1 April 1962
- journal article
- research article
- Published by Wolters Kluwer Health in Circulation Research
- Vol. 10 (4), 664-667
- https://doi.org/10.1161/01.res.10.4.664
Abstract
The distention of a large branch of the pulmonary artery, with or without occlusion of the circulation, produces pulmonary hypertension. The occlusion of an entire hilum, without adequate stimulation of the arterial baroreceptors produces only a negligible increase in pulmonary arterial pressure. Together with the pulmonary hypertension, variable changes in the systemic pressure were observed. The most frequent reaction was hypotension. The vagal fibers play no role in the pulmonary hypertensive response.Keywords
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