Pulmonary Vascular Responses to Serotonin and Effects of Certain Serotonin Antagonists
- 1 May 1958
- journal article
- research article
- Published by Wolters Kluwer Health in Circulation Research
- Vol. 6 (3) , 283-288
- https://doi.org/10.1161/01.res.6.3.283
Abstract
Serotonin was the most potent pulmonary vasoconstrictor studied in an experimental preparation in which drugs injected into the pulmonary artery are temporarily excluded from the systemic circulation. Alterations in bronchomotor tone did not approach those produced by acetylcholine. Simultaneous systemic vascular or cardiac reflexes were not noted. Promethazine, LSD-25 and its 2-brom derivative were potent blockers of serotonin effects in the pulmonary circulation.Keywords
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