A Mechanism of Chlorothiazide-Enhanced Effectiveness of Antihypertensive Ganglioplegic Drugs
Author(s) -
Harriet P. Dustan,
Gordon R. Cumming,
A. C. Corcoran,
Irvine H. Page
Publication year - 1959
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.19.3.360
Subject(s) - chlorothiazide , medicine , vasomotor , blood pressure , cardiology , mechanism (biology) , anesthesia , diuretic , philosophy , epistemology
Chlorothiazide decreases plasma volume, heart size, and cardiac output. The oligemia stimulates vasomotor tone; this tends to maintain arterial pressure because chronic arterial hypertension is characteristically self-sustaining and homeostatic. This oligemic stimulation of vasomotor tone results in increased sensitivity to the antihypertensive effect of drugs depressing or blocking vasomotor function.
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