Effect of Angiotensin on Normal Renal Circulation Determined by Angiography and a Dye Dilution Technique

Authors:
  • LEL. Ekelund
    L. Ekelund
  • JGJ. Göthlin
    J. Göthlin
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Abstract
Angiotensin in a dose of 0.5 to 1.0 microgran injected into the renal artery of healthy kidneys initially decreased renal blood flow and increased the appearance time and mean transit time of dye and contrast medium as examined by a dye dilution technique and angiography. The initial phase is followed by a reactive hyperemia. The increased vascular resistance is probably localized peripherally on the arterial side of the vascular tree. Optimum dose is 0.5 to 1.0 microgram angiotensin in diagnosis of renal tumours. Optimum interval between drug administration and angiography is 10 to 60 s.

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