Why do patients die after myocardial infarction?

abstract：:The effects of endothelin-3 (ET-3) on ganglionic transmission of dog cardiac sympathetic ganglia and possible mechanisms involved were investigated in vivo and in vitro. Positive chronotropic responses to preganglionic stellate stimulation and those to dimethylphenylpiperazinium as well as McN-A-343 administered to th...

journal_title：Journal of cardiovascular pharmacology

authors： Kushiku K,Ohjimi H,Yamada H,Tokunaga R,Furukawa T

更新日期：1991-01-01 00:00:00

abstract：:[3H]lacidipine binding to its receptor was characterized to explain its slow onset and long duration of antihypertensive activity. Binding parameters were studied in guinea pig myocardial and cerebral membrane preparations and compared with another dihydropyridine (DHP) calcium antagonist, isradipine. Lacidipine binds...

journal_title：Journal of cardiovascular pharmacology

authors： Graziani F,Ratti E,van Amsterdam FT

更新日期：1996-02-01 00:00:00

abstract：:The effects of the thromboxane A2 (TXA2)/prostaglandin endoperoxide (TP) receptor antagonist ifetroban (BMS-180291) on infarct size (IS) resulting from coronary occlusion/reperfusion was determined in anesthetized dogs and ferrets. In dogs, ifetroban (1 + 1 mg/kg/h, intravenously, i.v.) or vehicle administration was i...

journal_title：Journal of cardiovascular pharmacology

authors： Gomoll AW,Grover GJ,Ogletree ML

更新日期：1994-12-01 00:00:00

abstract：:To investigate the pathophysiologic role(s) of endothelin-1 (ET-1) in pulmonary hypertension, we studied the expression of ETB-receptor mRNA in the lung and venous plasma concentrations of ET-1 in rats with monocrotaline-induced pulmonary hypertension (PH). Three weeks after s.c. injection of monocrotaline (60 mg/kg),...

journal_title：Journal of cardiovascular pharmacology

authors： Yorikane R,Miyauchi T,Sakai S,Sakurai T,Yamaguchi I,Sugishita Y,Goto K

更新日期：1993-01-01 00:00:00

abstract：:Bromocriptine, a dopamine (DA) receptor agonist, has been reported to have hypotensive effects in anesthetized and conscious normotensive rats but its mechanism of action is still not fully understood. Therefore, we studied the changes in mean arterial blood pressure (MAP) and heart rate (HR) elicited by an intravenou...

journal_title：Journal of cardiovascular pharmacology

authors： Lahlou S,Demenge P

更新日期：1991-09-01 00:00:00

abstract：:The presence of endothelin (ET) receptors and the nature of the subtype and expression of ET were investigated in the human megakaryoblastic cell line MEG-01. By the RT-PCR procedure, we have shown that both ETA and ETB receptor subtype mRNAs are expressed in the cells. However, binding experiments have shown that the...

journal_title：Journal of cardiovascular pharmacology

authors： Hamroun D,Mathieu MN,Clain E,Germani E,Laliberté MF,Laliberté F,Chevillard C

更新日期：1995-01-01 00:00:00

abstract：:Dietary omega-3 polyunsaturated fatty acids (PUFAs) are readily incorporated into heart and skeletal muscle membranes where, in the heart, animal studies show they reduce O2 consumption. To test the hypothesis that omega-3 PUFAs alter O2 efficiency in humans, the effects of fish oil (FO) supplementation on O2 consumpt...

journal_title：Journal of cardiovascular pharmacology

authors： Peoples GE,McLennan PL,Howe PR,Groeller H

更新日期：2008-12-01 00:00:00

abstract：:We studied the effect of an intravenous (i.v.) infusion of diltiazem (15 micrograms/kg/min) given for 1 week on several cardiovascular parameters, renal blood flow, and electrolyte and urinary excretion in chronically instrumented DOCA-salt hypertensive dogs. On the first recording session, 24 h after diltiazem infusi...

journal_title：Journal of cardiovascular pharmacology

authors： Zimmerman BG,Goering JL,Raich PC

更新日期：1988-06-01 00:00:00

abstract：:We investigated the role of nitric oxide (NO) in the modulation of renal O2 consumption in dogs with pacing-induced congestive heart failure (CHF). O2 consumption in the renal cortex (C) and medulla (M) of normal dogs and dogs with CHF was measured under control conditions and in the presence of increasing concentrati...

journal_title：Journal of cardiovascular pharmacology

authors： Adler S,Huang H,Loke K,Xu X,Laumas A,Hintze TH

更新日期：2001-03-01 00:00:00

abstract：:To evaluate whether the combination of nifedipine with chlorthalidone exerts an additive antihypertensive effect when compared to single-drug treatment, 66 uncomplicated essential hypertensives, whose diastolic blood pressure was greater than 100 and less than 115 mm Hg at the end of a 1-month washout placebo period, ...

journal_title：Journal of cardiovascular pharmacology

authors： Salvetti A,Magagna A,Innocenti P,Ponzanelli F,Cagianelli A,Cipriani M,Gandolfi E,Del Prato C,Ballestra AM,Saba P

更新日期：1991-02-01 00:00:00

abstract：:The benefit of thrombolytic agents to reduce myocardial infarct size, improve left ventricular (LV) function, and prolong survival in human subjects is generally recognized, although the precise mechanism is poorly defined. This study was designed to evaluate the cardioprotective effects of streptokinase (SK) in rats,...

journal_title：Journal of cardiovascular pharmacology

authors： Smith EF 3rd,Nichols AJ,Sellers TS,O'Brien SR,Griswold DE,Egan JW,Hillegass LM,Vasko JA,Slivjak MJ,Davis PA

更新日期：1991-11-01 00:00:00

abstract：:Heart failure after myocardial infarction (MI) is associated with endothelial dysfunction. There is conflicting evidence on the exact nature of this endothelial dysfunction and how endothelium-dependent vasodilation is affected by angiotensin-converting enzyme inhibitor (ACE-I) therapy. Furthermore, consequences of ac...

journal_title：Journal of cardiovascular pharmacology

authors： Westendorp B,Schoemaker RG,van Gilst WH,Buikema H

更新日期：2005-12-01 00:00:00

abstract：:Since beta-adrenoceptor blocking drugs were originally discovered and shown to be important therapeutic agents in the management of both angina pectoris and hypertension, many other similar drugs have become available. These share the common property of beta-adrenoceptor antagonism, though they may vary in terms of po...

journal_title：Journal of cardiovascular pharmacology

authors： McDevitt DG

更新日期：1986-01-01 00:00:00

abstract：:There is no systematic study in which the effects of vasoactive substances were investigated on pulmonary vascular resistance (PVR) in in vivo mouse by directly measuring cardiac output and the inflow and outflow pressures in the pulmonary circulation. We determined the responses of PVR, total peripheral resistance (T...

journal_title：Journal of cardiovascular pharmacology

authors： Wang M,Shibamoto T,Shinomiya S,Yamamoto Y,Kurata Y,Kuda Y,Tanida M,Toga H

更新日期：2015-04-01 00:00:00

abstract：:The effects of the adrenergic antihypertensive drugs propranolol, clonidine, alpha-methyldopa, urapidil, indoramin, and prazosin on the relative rate of sterol synthesis were studied in freshly isolated human mononuclear leukocytes. Incubation of cells for 6 h in a medium containing lipid-depleted serum led to a three...

journal_title：Journal of cardiovascular pharmacology

authors： Krone W,Müller-Wieland D,Greten H

更新日期：1985-11-01 00:00:00

abstract：:G protein-coupled receptors (GPCRs) play key physiological roles and represent a significant target for drug development. However, historically, drugs were developed with the understanding that GPCRs as a therapeutic target exist solely on cell surface membranes. More recently, GPCRs have been detected on intracellula...

journal_title：Journal of cardiovascular pharmacology

authors： Branco AF,Allen BG

更新日期：2015-02-01 00:00:00

abstract：:We previously showed that rat and cow blood vessels contain arginine vasopressin (AVP) of local origin. In the present study, to investigate potential roles for this locally produced peptide, we examined the effects of AVP on growth of cultured vascular endothelial and smooth muscle cells (EC, SMC). Treatment of cultu...

journal_title：Journal of cardiovascular pharmacology

authors： Simon JS,Baum JS,Moore SA,Kasson BG

更新日期：1995-03-01 00:00:00

abstract：:Trimetazidine has no hemodynamic/antithrombotic actions. Hence, its anti-ischemic properties have been mostly attributed to its metabolic effects. However, this issue is not completely elucidated. We investigated whether inhibition of neutrophil activation may also contribute to its cardioprotective action. We first s...

journal_title：Journal of cardiovascular pharmacology

authors： Tritto I,Wang P,Kuppusamy P,Giraldez R,Zweier JL,Ambrosio G

更新日期：2005-07-01 00:00:00

abstract：:Endothelin-1 reduces the chronotropic and inotropic effects of the beta-adrenoceptor agonist isoproterenol in rabbit isolated atria. Vascular interactions between endothelin-1 and isoproterenol have not been reported. Rings of the rabbit aorta without endothelium were mounted on myographs to measure isometric tension....

journal_title：Journal of cardiovascular pharmacology

authors： Gilbert P,Thorin E

更新日期：2003-10-01 00:00:00

abstract：:Diabetes and CYP2C19 loss of function (LOF) alleles are associated with the variable antiplatelet activity of the prodrug clopidogrel. We conducted a randomized trial (NCT03613857) to compare the combined and individualized effects of diabetes and CYP2C19 polymorphisms on the antiplatelet reactivity of clopidogrel ver...

journal_title：Journal of cardiovascular pharmacology

authors： Mohareb MW,AbdElghany M,Zaki HF,El-Abhar HS

更新日期：2020-10-01 00:00:00

abstract：:The new converting enzyme inhibitor cilazapril, or RO 31-2848, was evaluated in 14 healthy male volunteers. In a pilot study in two subjects, the inhibiting capacity of single oral doses of 5 and 10 mg on the pressure and heart rate response to exogenous angiotensin I was assessed. Both doses reduced the blood pressur...

journal_title：Journal of cardiovascular pharmacology

authors： Fasanella d'Amore T,Bussien JP,Nussberger J,Waeber B,Turini GA,Brunner HR,Kler L,Francis RJ

更新日期：1987-01-01 00:00:00

abstract：:The heavy impact of obesity on the development and progression of cardiovascular disease has sparked sustained efforts to uncover the mechanisms linking excess adiposity to vascular dysfunction. In addition to its well-established role in maintaining vascular homeostasis, the endothelium has been increasingly recogniz...

journal_title：Journal of cardiovascular pharmacology

authors： Schinzari F,Tesauro M,Cardillo C

更新日期：2017-06-01 00:00:00

abstract：:Several studies suggested that dopamine may be one of the inhibitory modulators of aldosterone secretion. Metoclopramide, a selective antagonist for dopamine D-2 receptors, increases both basal plasma aldosterone levels and the aldosterone response to angiotensin II (Ang II) in rats and humans kept on a high sodium in...

journal_title：Journal of cardiovascular pharmacology

authors： Missale C,Lombardi C,De Cotiis R,Memo M,Carruba MO,Spano PF

更新日期：1989-01-01 00:00:00

abstract：:The purpose of this study was to investigate the renal effects of aranidipine, a novel calcium channel blocker of the dihydropyridine type, and its active metabolite in anesthetized dogs and conscious spontaneously hypertensive rats (SHRs). When infused into the renal artery in anesthetized dogs, aranidipine (0.03 mic...

journal_title：Journal of cardiovascular pharmacology

authors： Ichihara K,Okumura K,Kamei H,Nagasaka M,Kanda A,Kanno T,Miyoshi K,Miyake H

更新日期：1998-02-01 00:00:00

abstract：:The long QT-related arrhythmia torsades de pointes (TdP) can arise with mutations in HERG and during treatment with drugs that block cardiac I Kr, the current encoded by HERG. Multiple test systems have been used to assess drug block of I Kr. This study evaluated the I Kr blocking potency of a series of antiarrhythmic...

journal_title：Journal of cardiovascular pharmacology

authors： Yang T,Snyders D,Roden DM

更新日期：2001-11-01 00:00:00

abstract：:In primarily cultured pig coronary smooth muscle cells, extracellular adenosine triphosphate (ATP; 10(-9) to 10(-3) M) dose-dependently increases intracellular calcium ([Ca2+]i). The [Ca2+]i transients measured by fura-2 fluorescence consist of peak and plateau phases with [Ca2+]i values of 191.84 +/- 5.67 nM (n = 10)...

journal_title：Journal of cardiovascular pharmacology

authors： Seiler L,Matyas S,Fleckenstein-Grün G

更新日期：1999-05-01 00:00:00

abstract：:The influence of intravenous diltiazem on hemodynamics and left ventricular function indices was studied in 14 patients with severe coronary artery disease at rest and during atrial pacing. We used a tip manometer catheter for recording left ventricular pressure tracings and a nuclear probe for measuring left ventricu...

journal_title：Journal of cardiovascular pharmacology

authors： van Dijk RB,Blanksma PK,van Gilst WH,Lie KI

更新日期：1993-08-01 00:00:00

abstract：:In this study, we used the spontaneously beating, isolated rat right atrium as an in vitro model to study arrhythmogenic effects of electrical stimulation. A tetrapolar platinum electrode was used for stimulation and recording of atrial electrical activity at 36.5 degrees C (spontaneous rate, 4.9+/-0.3 Hz). A flutter-...

journal_title：Journal of cardiovascular pharmacology

authors： Godoy CM,Bassani RA,Bassani JW

更新日期：1999-10-01 00:00:00

abstract：:Current drug screening methods are insufficiently predictive of clinical toxicity and efficacy. Recent advances in stem cell technology have the potential to improve drug screening. For tests of cardiotoxicity and efficacy of cardioactive drugs, cardiomyocytes derived from human embryonic stem cells and/or human induc...

journal_title：Journal of cardiovascular pharmacology

authors： Laposa RR

更新日期：2011-09-01 00:00:00

abstract：:We investigated the effect of oral ibopamine (SB 7505) on myocardial and renal function in eight patients suffering from congestive heart failure. Ibopamine was administered orally 50 mg twice a day for 7 days. Systolic time intervals PEP (preejection period) and EMS (electromechanical systole) decreased significantly...

journal_title：Journal of cardiovascular pharmacology

authors： Dei Cas L,Manca C,Bernardini B,Vasini G,Visioli O

更新日期：1982-05-01 00:00:00