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[Hemodynamic parameters and plasma-renin activity following intravenous dihydralazine administration--a contribution to the regulation of renin]. 1978

H Börner, and G Teichmann

On account of the complex effective mechanism the control of dihydralazin is performed particularly with regard to the changes of the plasma-renin-activity. The examinations were carried out in 7 patients each with renal and essential hypertension. The plasma-renin-activity, the behaviour of blood pressure, the stroke volume and the minute volume as well as the peripheral arterial resistance should be examined concerning the influence of two doses of dihydralazin and with regard to the influence of the basic disease to the above mentioned parameters. The plasma-renin-activity is decreased as well as increased by dihydralazin. Baroreceptors are made responsible for the renin regulation. Already with 4.125 mg dihydralazin (1/8 ampoule Depressan) nearly the same permanent effect reducing the blood pressure is to be achieved as with a double dosage. Stroke volume and minute volume are reduced by dihydralazin. The peripheral arterial resistance decreases in no case, but in the renal hypertension it shows a rising tendency. With the help of these examinations it shall particularly referred to the fact that the therapeutic mechanism of the slowly beginning and long lasting decrease of blood pressure is not yet be fully clarified.

UI MeSH Term Description Entries
D006973 Hypertension Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more. Blood Pressure, High,Blood Pressures, High,High Blood Pressure,High Blood Pressures
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012077 Renal Artery A branch of the abdominal aorta which supplies the kidneys, adrenal glands and ureters. Arteries, Renal,Artery, Renal,Renal Arteries
D012083 Renin A highly specific (Leu-Leu) endopeptidase that generates ANGIOTENSIN I from its precursor ANGIOTENSINOGEN, leading to a cascade of reactions which elevate BLOOD PRESSURE and increase sodium retention by the kidney in the RENIN-ANGIOTENSIN SYSTEM. The enzyme was formerly listed as EC 3.4.99.19. Angiotensin-Forming Enzyme,Angiotensinogenase,Big Renin,Cryorenin,Inactive Renin,Pre-Prorenin,Preprorenin,Prorenin,Angiotensin Forming Enzyme,Pre Prorenin,Renin, Big,Renin, Inactive
D004078 Dihydralazine 1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDRALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p354) Depressan,Dihydralazine Sulfate,Dihydrallazine,Dihydrazinophthalazin,Sulfate, Dihydralazine
D005260 Female Females
D005921 Glomerulonephritis Inflammation of the renal glomeruli (KIDNEY GLOMERULUS) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to HEMATURIA; PROTEINURIA; HYPERTENSION; and RENAL INSUFFICIENCY. Bright Disease,Kidney Scarring,Glomerulonephritides,Scarring, Kidney
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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