Regional Vasomotor Tone in Normotensive and Hypertensive Dogs | Zendy

Arnold H. Williams | Zendy; Henry A. Schroeder | Zendy

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Regional Vasomotor Tone in Normotensive and Hypertensive Dogs

Author(s) -

Arnold H. Williams,

Henry A. Schroeder

Publication year - 1951

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.4.5.706

Subject(s) - medicine , splanchnic , vasomotor , blood pressure , splanchnic circulation , cardiology , tone (literature) , vascular resistance , renal circulation , anesthesia , hemodynamics , renal blood flow , art , literature

A new method for estimating vasomotor tone in a local circulation by means of the asystolic arterial pressure gradient was applied to the renal, femoral, brachial, and mesenteric vascular beds of normal dogs and of dogs made hypertensive by various technics. The splanchnic circulation apparently contributes the greatest proportion of the increase of resistance in anesthetized hypertensive animals. The correlation of vasomotor tone with diastolic pressure was good only in the mesenteric area. Some differences in these four areas were found between renal and neurogenic hypertension.

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