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Laragh JH, Sealey JE. Renin–Angiotensin–Aldosterone System and the Renal Regulation of Sodium, Potassium, and Blood Pressure Homeostasis. Compr Physiol 2011. [DOI: 10.1002/cphy.cp080231] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lockett MF. Effects of salt loading and haemodilution on the responses of perfused cat kidneys to angiotensin. J Physiol 2010; 193:639-47. [PMID: 16992302 PMCID: PMC1365519 DOI: 10.1113/jphysiol.1967.sp008384] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
1. Effects of single intra-arterial injections (0.1-1.0 mug) of angiotensin II have been observed on cat kidneys perfused with heparinized blood from heart-lung circuits.2. Angiotensin II always caused an abrupt decrease in renal plasma flow (R.P.F.) which reached maximum in 1-2 min and lasted over-all for only 3.5-4.0 min. Glomerular filtration rate (G.F.R.) usually and filtration fraction (F.F.) always increased.3. Angiotensin II caused antidiuresis provided that the kidney had not been subjected either to salt loading or to haemodilution within the preceding 3 hr. These pretreatments converted the antidiuretic action of angiotensin into a diuresis.4. Angiotensin II raised the rate of Na excretion, the urinary concentration of Na and the urinary Na/K whether anti-diuretic or diuretic.
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GROSS F. [Renin and hypertension, physiological or pathological agents?]. ACTA ACUST UNITED AC 2000; 36:693-706. [PMID: 13576750 DOI: 10.1007/bf01493136] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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BOCK KD, KRECKE HJ, KUHN HM. [Studies on the effect of synthetic hypertensin II on blood pressure, respiration and blood circulation of extremities in man]. ACTA ACUST UNITED AC 2000; 36:254-61. [PMID: 13540163 DOI: 10.1007/bf01479198] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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BOCK KD, DENGLER H, KRECKE HJ, REICHEL G. [Studies on the effects of synthetic hypertensin II on electrolyte metabolism, kidney function and circulation in man]. ACTA ACUST UNITED AC 2000; 36:808-14. [PMID: 13588912 DOI: 10.1007/bf01481948] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Abstract
The examination of synthetic valyl-5-angiotensin II-amide in the conscious dog revealed the following:
1. Both the arterial and the central venous pressure responses exhibit tachyplylaxis when high doses of angiotensin II are administered, althoug not when medium or low doses are given. Cross-tachyphylaxis can be demonstrated between renin and angiotensin II but not between either of these and norepinephrine. These results suggest that tachyphylaxis to renin is due to tachyphylaxis to angiotensin.
2. Angiotensin II and norepinephrine provoke a dose-dependent increase in central venous pressure. The threshold dose is about 10 times higher than that necessary for the effect on arterial pressure. In doses eliciting the same increase of arterial blood pressure, norepinephrine is about twice as active on the venous pressure as angiotensin II.
3. Anesthesia and atropinization both reduce or abolish the effect of angiotensin II as well as that of norepinephrine on the venous pressure, indicating the reflex nature of the underlying mechanism.
4. In endotoxin hypotension, the pressor response to angiotensin II and to norepinephrine is diminished, and the venous pressure response becomes gradually depressed until it is completely abolished.
5. During hemorrhagic hypotension, the response to angiotensin II may be retained or even enhanced and is less likely to have an adverse effect on the myocardium than norepinephrine.
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FINNERTY FA, MASSARO GD, CHUPKOVICH V, TUCKMAN J. Evaluation of the pressor, cardiac, and renal hemodynamic properties of angiotensin II in man. Circ Res 1998; 9:256-63. [PMID: 13699665 DOI: 10.1161/01.res.9.2.256] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
These data demonstrate that in normal subjects angiotensin II is 10 times as potent as norepinephrine, which it resembles hemodynamically. An increase in the systolic pressure is associated with significant increase in diastolic pressure, increase in venous pressure, decrease in heart rate, slight decrease in cardiac output with striking increase in total peripheral resistance, decrease in renal blood flow, decreased glomerular filtration rate, increase in filtration fraction, arid slight decrease in urinary volume.
Preliminary studies of patients in shock suggest that angiotensin II is two or three times as potent as norepinephrine. Continuous administration is not associated with the development of resistance or tachyphylaxis, nor does sloughing of tissues occur when there is leakage outside the vein.
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BARER GR. A comparison of the circulatory effects of angiotensin, vasopressin and adrenaline in the anaesthetized cat. J Physiol 1998; 156:49-66. [PMID: 13686933 PMCID: PMC1359933 DOI: 10.1113/jphysiol.1961.sp006657] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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SCHWYZER R, TURRIAN H. The chemistry and pharmacology of angiotensin. VITAMINS AND HORMONES 1998; 18:237-88. [PMID: 13749278 DOI: 10.1016/s0083-6729(08)60864-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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MCGIFF JC, ITSKOVITZ HD. LOSS OF THE RENAL VASOCONSTRICTOR ACTIVITY OF ANGIOTENSIN II DURING RENAL ISCHEMIA. J Clin Invest 1996; 43:2359-67. [PMID: 14234832 PMCID: PMC289664 DOI: 10.1172/jci105110] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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BARBER GR. THE ACTION OF VASOPRESSIN, A VASOPRESSIN ANALOGUE (PLV2), OXYTOCIN, ANGIOTENSIN, BRADYKININ AND THEOPHYLLINE ETHYLENE DIAMINE ON RENAL BLOOD FLOW IN THE ANAESTHETIZED CAT. J Physiol 1996; 169:62-72. [PMID: 14078064 PMCID: PMC1368702 DOI: 10.1113/jphysiol.1963.sp007241] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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AMES RP, BORKOWSKI AJ, SICINSKI AM, LARAGH JH. PROLONGED INFUSIONS OF ANGIOTENSIN II AND NOREPINEPHRINE AND BLOOD PRESSURE, ELECTROLYTE BALANCE, AND ALDOSTERONE AND CORTISOL SECRETION IN NORMAL MAN AND IN CIRRHOSIS WITH ASCITES. J Clin Invest 1996; 44:1171-86. [PMID: 14328394 PMCID: PMC292592 DOI: 10.1172/jci105224] [Citation(s) in RCA: 258] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Ljungman S, Aurell M, Hartford M, Wikstrand J, Berglund G. Effects of subpressor doses of angiotensin II on renal hemodynamics in relation to blood pressure. Hypertension 1983; 5:368-74. [PMID: 6341220 DOI: 10.1161/01.hyp.5.3.368] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The renal hemodynamic response to subpressor doses of angiotensin II (AII; 0.1 and 0.5 ng/min/kg) was investigated in untreated 49-year-old men (n = 50) representing a wide blood pressure range. Renal blood flow, renal vascular resistance (RVR), glomerular filtration rate (GFR), filtration fraction (FF), plasma renin activity (PRA), plasma AII, plasma aldosterone, and the urinary excretion of sodium and norepinephrine were studied. The higher the initial blood pressure the greater was the increase in RVR in response to AII infusion (p less than 0.002), indicating an increased renal vascular reactivity with increase in initial blood pressure. The AII infusion gave a significant rise in RVR in both the borderline and hypertensive group, but gave no increase in RVR in the normotensive group, implying an enhanced sensitivity of the renal vasculature in the borderline and hypertensive group. The increase in RVR was greater in the hypertensive than in the borderline group, i.e., the hypertensives had a steeper dose-response curve than the borderline group, which points to the presence of structural vascular changes in the renal vessels in the hypertensives. The increase in RVR in response to AII was positively correlated to sodium intake and plasma aldosterone concentration, indicating that these two factors might modulate the renal vascular reactivity. These factors could, however, only partly explain that RVR increased more the higher the initial blood pressure. Thus, the results indicate that there is an increased reactivity of the renal vascular bed to AII in essential hypertension. The increased reactivity seems to be mediated through an increased sensitivity of the renal vasculature to AII in mild essential hypertension and also through the presence of structural vascular changes in established hypertension. These factors may lead to a reduced excretion of sodium and water and may therefore be of importance in the development and progression of essential hypertension.
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Dudley HA, Radcliffe AG, Chan S. Urinary volume, concentration, and solute excretion in the postoperative phase: relationship to ADH. JPEN J Parenter Enteral Nutr 1980; 4:83-7. [PMID: 7401268 DOI: 10.1177/014860718000400206] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Ekelund L, Göthlin J. Effect of angiotensin on normal renal circulation determined by angiography and a dye dilution technique. ACTA RADIOLOGICA: DIAGNOSIS 1977; 18:39-48. [PMID: 327756 DOI: 10.1177/028418517701800105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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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Sealey JE, Laragh JH. A proposed cybernetic system for sodium and potassium homeostasis: coordination of aldosterone and intrarenal physical factors. Kidney Int 1974; 6:281-90. [PMID: 4372453 DOI: 10.1038/ki.1974.114] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Klaus D, Rössler R. [Renin secretion in analbuminaemia (author's transl)]. KLINISCHE WOCHENSCHRIFT 1973; 51:969-72. [PMID: 4762585 DOI: 10.1007/bf01468252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Wigger W, Scheler F, Creutzfeldt W. [ADH-like mechanism of action of chlorpropamide in diabetes insipidus (a comparison with the antidiuretic effect of other blood glucose decreasing sulfonamides and hydrochlorothiazide)]. KLINISCHE WOCHENSCHRIFT 1970; 48:855-61. [PMID: 5001116 DOI: 10.1007/bf01583906] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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22
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Werning C, Siegenthaler W. [Renin-angiotensin-aldosterone system from the pathophysiological viewpoint]. KLINISCHE WOCHENSCHRIFT 1969; 47:1247-55. [PMID: 4315710 DOI: 10.1007/bf01487550] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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23
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Lockett MF, Wadley R. Renal actions of dihydroergocristine and of phentolamine in anaesthetized cats. Br J Pharmacol 1969; 37:595-608. [PMID: 4390677 PMCID: PMC1703728 DOI: 10.1111/j.1476-5381.1969.tb08498.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
1. Comparison has been made of the effects of dihydroergocristine (DCS) and phentolamine mesylate (phentolamine) on cardiac and respiratory rates, systemic arterial pressure, renal clearances of creatinine (C(Cr)) and of p-amino-hippuric acid (C(PAH)) and on the secretion of Na and K, in cats under chloralose anaesthesia.2. Phentolamine antagonized vasomotor tone and the pressor effect of circulating noradrenaline to comparable extent. The extent of reduction in urine flow, C(Cr), C(PAH) and Na excretion correlated with the fall in mean arterial pressure. Innervated and denervated kidneys responded similarly. Cardiac and respiratory rates rose slightly as arterial pressure fell.3. DCS, 10 to 20 mug/kg per min, did not reduce vasomotor tone, markedly reduced the pressor effect of exogenous noradrenaline, caused bradycardia and respiratory slowing but had little or no effect on renal function.4. DCS, 30 to 40 mug/kg per min, lowered mean arterial pressure by 15-25 mm Hg, decreased C(PAH) but not C(Cr), so raising the filtration fraction and caused a small reduction in urine flow and in Na excretion. Innervated and acutely denervated kidneys responded similarly.5. DCS, 30 to 40 mug/kg per min, raised mean arterial pressure, decreased C(PAH), urine flow and Na excretion but did not alter C(Cr) in animals pretreated with full alpha-adrenergic blocking doses of phentolamine.6. DCS, 30 to 40 mug/kg per min, increased the rate of secretion of sympathetic amines from the adrenal medulla and increased the concentration of renin in renal venous blood.7. Isolated kidneys perfused at constant pressure from pump-oxygenator circuits and in saline diuresis responded to DCS (15-17 mug/120 ml. blood) by diuresis and natriuresis and by a rise in the rate of secretion of renin. Higher concentrations of DCS (125-250 mug/120 ml.) were without effect on renal function and did not influence renin secretion.8. The renal effects of full alpha-adrenergic blocking doses of DCS and of phentolamine were comparable, in the whole animal.9. The evidence indicates that the release of noradrenaline by DCS 30-40 mug/kg per min from nerve terminals supplying the juxtaglomerular apparatus may have caused the enhancement of renin secretion.
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Brown JJ, Chinn RH, Lever AF, Robertson JI. Renin and angiotensin as a mechanism of diuretic-induced antidiuresis in diabetes insipidus. Lancet 1969; 1:237-9. [PMID: 4178593 DOI: 10.1016/s0140-6736(69)91244-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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26
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Lowitz HD, Stumpe KO, Ochwadt B. [Micropuncture study of the clamped kidney in unilaterally nephrectomized rats with experimental renal hypertension]. Pflugers Arch 1969; 309:212-23. [PMID: 4308144 DOI: 10.1007/bf00586799] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Bonjour JP, Peters G, Chomety F, Regoli D. Renal effects of val 5-angiotensin 11-amide, vasopressin and diuretics in the rat, as influenced by water diuresis and by ethanol anesthesia. Eur J Pharmacol 1967; 2:88-105. [PMID: 4296084 DOI: 10.1016/0014-2999(67)90030-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Muscholl E. Vasoaktive k�rpereigene Stoffe und Pharmaka mit peripherem Angriffspunkt. Eur Arch Otorhinolaryngol 1967. [DOI: 10.1007/bf00548013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Brodehl J, Gellissen K. [The influence of angiotensin II on the tubular phosphate back resorption in humans. A contribution on the method of action of angiotensin]. KLINISCHE WOCHENSCHRIFT 1966; 44:1171-6. [PMID: 4296914 DOI: 10.1007/bf01742093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Collignon P, Kulbertus H. [Influence of perfusion pressure on the response to angiotensin of the dog kidney transplanted to the neck]. ARCHIVES INTERNATIONALES DE PHYSIOLOGIE ET DE BIOCHIMIE 1966; 74:565-73. [PMID: 4165820 DOI: 10.3109/13813456609059934] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Avenhaus H, Gerlach W, Buchborn E. [Comparative effects of pressor substances in healthy people]. KLINISCHE WOCHENSCHRIFT 1966; 44:314-21. [PMID: 4294249 DOI: 10.1007/bf01752279] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Mertz DP. [On the mechanism of accelerated Na excretion during i.v. administration of highly hypertonic NaCl solutions in patients with essential hypertension. II. Tubular factors. Presumed functional relationships]. KLINISCHE WOCHENSCHRIFT 1966; 44:244-56. [PMID: 4293548 DOI: 10.1007/bf01747714] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Brodehl J, Gellissen K. [The antidiuretic effect of angiotensin in diabetes insipidus]. KLINISCHE WOCHENSCHRIFT 1966; 44:101-3. [PMID: 4290082 DOI: 10.1007/bf01746490] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Horster M, Nagel W, Schnermann J, Thurau K. Zur Frage einer direkten Angiotensinwirkung auf die Natriumresorption im proximalen Tubulus und in der Henleschen Schleife der Rattenniere. Pflugers Arch 1966. [DOI: 10.1007/bf00363264] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ergebnisse der Angiotensin-Bestimmung am Menschen. Langenbecks Arch Surg 1965. [DOI: 10.1007/bf01440873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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LEYSSAC PP. The in Vivo Effect of Angiotensin and Noradrenaline on the Proximal Tubular Reabsorption of Salt in Mammalian Kidneys. ACTA ACUST UNITED AC 1965; 64:167-75. [PMID: 14347275 DOI: 10.1111/j.1748-1716.1965.tb04165.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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DENGLER HJ, KRECKE HJ, BUSCH G. Die Wirkung einer kombinierten Infusion von L-Noradrenalin und Angiotensin II auf die renale Wasser- und Elektrolytausscheidung beim gesunden Menschen. ACTA ACUST UNITED AC 1965; 43:300-5. [PMID: 14284891 DOI: 10.1007/bf01485247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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EISALO A, RAESAENEN V. EFFECT OF EQUI-PRESSOR DOSES OF SYNTHETIC ALPHA- AND BETA-ANGIOTENSIN II ON URINARY VOLUME AND URINARY ELECTROLYTES IN NORMOTENSIVE SUBJECTS. ACTA MEDICA SCANDINAVICA 1965; 177:121-6. [PMID: 14251844 DOI: 10.1111/j.0954-6820.1965.tb01813.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
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Effects of intravenous infusions of Valine-5-Angiotensin on urinary sodium and chlorides in aortic coarctation. Am J Cardiol 1963. [DOI: 10.1016/0002-9149(63)90080-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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FORTE IE, POTGIETER L, SCHMITTHENNER JE. Effects of Hypertensin on Arterial Pressure, Heart Work and Cardiac Oxygen Utilization. Circ Res 1960; 8:1235-41. [PMID: 13700890 DOI: 10.1161/01.res.8.6.1235] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pharmacodynamically induced changes in left ventricular work, using an intravenous infusion of Hypertensin, were studied in intact anesthetized dogs. Coronary and systemic hemodynamics and cardiac metabolism under a combined morphine- "Dial" -urethane-pentobarbital-sodium (MDUP) anesthesia were measured during the action of the drug. The significant hemodynamic changes induced were increased mean arterial pressure and increased left ventricular work. A greater cardiac lactate utilization during the Hypertensin infusion was the only change in cardiac metabolism. The oxygen tension in left ventricular venous blood was not reduced during the action of the drug.
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KUSCHINSKY G, LUELLMANN H. �ber die Wirkung von synthetischem Hypertensin auf Kammer- und Vorhofsmuskulatur der Katze. ACTA ACUST UNITED AC 1959; 37:928-31. [PMID: 14412934 DOI: 10.1007/bf01478511] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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GERSMEYER EF, SPITZBARTH H, WEYLAND H. Kreislaufuntersuchungen mit synthetischem Hypertensin II. ACTA ACUST UNITED AC 1958; 36:1061-6. [PMID: 13612107 DOI: 10.1007/bf01484363] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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