Altered alpha 1-adrenoceptor-mediated responses in atria of rats with chronic left ventricular infarction.

abstract：:The aim of this study was to evaluate the effects of long-term monotherapy with four beta-blockers provided with different pharmacological properties on plasma lipids in both normocholesterolemic and hypercholesterolemic hypertensive patients. After a 1-month run-in period on placebo, 70 hypertensive patients with bas...

journal_title：Journal of cardiovascular pharmacology

authors： Fogari R,Zoppi A,Tettamanti F,Poletti L,Lazzari P,Pasotti C,Corradi L

更新日期：1990-01-01 00:00:00

abstract：:The aim of this study was to examine the electrophysiological effects of isoprenaline, phenylephrine, and noradrenaline on sheep Purkinje fibers in vitro, superfused either with a normal or with a modified physiological salt solution (PSS) designed to mimic some of the conditions occurring during mild myocardial ische...

journal_title：Journal of cardiovascular pharmacology

authors： Boachie-Ansah G,Kane KA,Parratt JR

更新日期：1989-02-01 00:00:00

abstract：:The hemodynamic effects of tetramethylpyrazine were examined in 27 anesthetized open chest dogs with electromagnetic flowmeter probes on the left circumflex coronary artery and ascending aorta. Tetramethylpyrazine, 2-15 mg/kg i.v., caused prominent systemic and coronary vasodilation, with a maximum reduction of mean a...

journal_title：Journal of cardiovascular pharmacology

authors： Dai XZ,Bache RJ

更新日期：1985-09-01 00:00:00

abstract：:Formation of oxygen free radicals during heart transplantation seems to be related to the alterations occurring during ischemia and reperfusion and could explain the short preservation time of donor hearts. The aim of our study was (a) to analyze the protective effects of pyruvate during cold cardioplegia and ischemia...

journal_title：Journal of cardiovascular pharmacology

authors： Dobsak P,Courderot-Masuyer C,Zeller M,Vergely C,Laubriet A,Assem M,Eicher JC,Teyssier JR,Wolf JE,Rochette L

更新日期：1999-11-01 00:00:00

abstract：:The aims of this study were to determine whether systemic injections of the lipophobic thiol chelator, para-hydroxymercurobenzoic acid (PHMBA) would reduce the vasoconstrictor responses elicited by the alpha1-adrenoceptor agonist, phenylephrine, in urethane-anesthetized rats by chelation of thiol residues in alpha1-ad...

journal_title：Journal of cardiovascular pharmacology

authors： Hoque A,Owen JR,Bates JN,Lewis SJ

更新日期：2005-11-01 00:00:00

abstract：:Tumor necrosis factor alpha (TNFalpha) is an inflammatory cytokine involved in atherogenesis. Adipose tissue is an important source of endogenous TNFalpha production. The aim of this study was to evaluate the effect of atorvastatin on TNFalpha serum concentration and mRNA expressions of subcutaneous adipose in hyperch...

journal_title：Journal of cardiovascular pharmacology

authors： Zhao SP,Wu ZH,Wu J,Hong SC,Deng P

更新日期：2005-08-01 00:00:00

abstract：:Endothelial cells can release both relaxing and contracting factors. Since the release of endothelium-dependent relaxing factor is prevented by incubation in Ca2+-free solution and can be triggered by the Ca2+ ionophore A 23187, it must require an increase in cytoplasmic Ca2+ concentration in the endothelial cells. Ca...

journal_title：Journal of cardiovascular pharmacology

authors： Vanhoutte PM

更新日期：1988-01-01 00:00:00

abstract：:The effects of divalent cations on human platelet vasopressin receptor binding characteristics and effects of receptor occupancy on endogenous protein phosphorylation were investigated. Binding of vasopressin to its receptor is modulated by both the nature and the concentration of ions. Whatever the cation present, gu...

journal_title：Journal of cardiovascular pharmacology

authors： Thibonnier M,Hinko A,Pearlmutter AF

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND:Dopamine is an inotrope effective in the short term treatment of acute heart failure - including that caused by coronary artery disease. Catecholamines however can potentiate platelet activation and pre-dispose to coronary thrombosis. AIMS:Dopamine was studied for effect on agonist induced human platelet Ca...

journal_title：Journal of cardiovascular pharmacology

authors： Sill JC,Bertha B,Berger I,Southorn V,Folts J

更新日期：2009-03-01 00:00:00

abstract：:We examined mechanisms of the central sympathoinhibitory actions of systemically administered clonidine in anesthetized cats. To avoid influences of sympathetic chemo- and baroreflexes, the animals were deafferentated by cutting the carotid sinus and vagal nerves bilaterally. Intravenous (i.v.) injections of clonidine...

journal_title：Journal of cardiovascular pharmacology

authors： Seller H,Czachurski J,Zanzinger J

更新日期：1999-04-01 00:00:00

abstract：:We examined the effects of tiapamil, a Ca2+ antagonist, on infarct size, lymphatic enzyme release, and arrhythmias in reperfused, ischemic canine hearts. Three-hour reperfusion of the left anterior descending coronary artery, which had been ligated for 3 h, significantly increased cardiac lymphatic release of lactate ...

journal_title：Journal of cardiovascular pharmacology

authors： Matsuura A,Ishihara T,Nakamura K,Himori N,Nakamura K

更新日期：1986-01-01 00:00:00

abstract：:Cardiovascular function is regulated by short-term and long-term neurohormonal and autocrine-paracrine mechanisms that act synergistically or sequentially. Structural adaptive changes that occur progressively over time also contribute to the long-term outcome. The renin-angiotensin system (RAS) can operate as both an ...

journal_title：Journal of cardiovascular pharmacology

authors： Dzau VJ

更新日期：1989-01-01 00:00:00

abstract：:Carvedilol (20 mg/kg, bid) or vehicle was given to rats surviving a myocardial infarction (MI) 24 h (n = 409). In rats with large MI, carvedilol partially preserved left ventricular (LV) function and intrinsic myocardial contractility and reactivity to beta-adrenergic stimulation. Carvedilol led to scar thickening, in...

journal_title：Journal of cardiovascular pharmacology

authors： Sia YT,Parker TG,Tsoporis JN,Liu P,Adam A,Rouleau JL

更新日期：2002-01-01 00:00:00

abstract：:Intracellular [Ca2+]i overloading in cardiomyocytes is a fundamental pathogenic event associated with chronic aldosterone/salt treatment (ALDOST) and accounts for an induction of oxidative stress that leads to necrotic cell death and consequent myocardial scarring. This prooxidant response to Ca2+ overloading in cardi...

journal_title：Journal of cardiovascular pharmacology

authors： Kamalov G,Ahokas RA,Zhao W,Zhao T,Shahbaz AU,Johnson PL,Bhattacharya SK,Sun Y,Gerling IC,Weber KT

更新日期：2010-03-01 00:00:00

abstract：:It is known that adenosine decreases blood pressure (BP) level as well as blood pressure variability (BPV). However, there is little information about the effect of adenosine on BPV. With a computerized analytic system for BP and heart rate (HR) that could sample the data continuously in conscious, freely moving rats,...

journal_title：Journal of cardiovascular pharmacology

authors： Shen FM,Su DF

更新日期：2000-11-01 00:00:00

abstract：:The short half-life, low plasma concentrations, and extensive biotransformation of prazosin suggest that it might be subject to extensive first-pass metabolism. Bioavailability, disposition, and hepatic extraction were studied in the dog. In conscious dogs whole blood prazosin concentrations were measured after oral a...

journal_title：Journal of cardiovascular pharmacology

authors： Rubin P,Yee YG,Anderson M,Blaschke T

更新日期：1979-11-01 00:00:00

abstract：:To establish the clinical efficacy of pilsicainide, we evaluated its electrophysiologic and hemodynamic effects after a single oral administration to 18 patients with documented supraventricular tachycardia (SVT). To determine the minimal effective blood level, changes in efficacy with time were evaluated by serial re...

journal_title：Journal of cardiovascular pharmacology

authors： Ino T,Atarashi H,Kuruma A,Onodera T,Saitoh H,Hayakawa H

更新日期：1998-01-01 00:00:00

abstract：:The renin-angiotensin system affects blood pressure and regional blood flow through endocrine, paracrine, and autocrine influences. The circulating endocrine renin-angiotensin system (RAS) is activated for acute cardiovascular homeostasis. The recent demonstration of a local renin-angiotensin system in the blood vesse...

journal_title：Journal of cardiovascular pharmacology

authors： Dzau VJ

更新日期：1987-01-01 00:00:00

abstract：:Vascular smooth muscle cell (VSMC) proliferation is pivotal in the progression of hypertension, atherosclerosis, and restenosis. Resveratrol is a grape polyphenol that is implicated as an important contributor to red wine's vascular protective effects. Its antimitogenic action on VSMC is attributed to an array of plei...

journal_title：Journal of cardiovascular pharmacology

authors： Ekshyyan VP,Hebert VY,Khandelwal A,Dugas TR

更新日期：2007-07-01 00:00:00

abstract：:Cardiovascular medicine is based on high-technology management of end-stage disease. Preventive medicine is preferable but, before magnetic resonance (MR), there was no noninvasive, safe, repeatable method of detecting occlusive vascular disease, which accounts for more deaths than any other disease at a presymptomati...

journal_title：Journal of cardiovascular pharmacology

authors： Longmore D,Forbat S

更新日期：1992-01-01 00:00:00

abstract：:Sixteen hypertensive patients received pindolol (10-45 mg/day); mean +/- SD, 28.75 +/- 15.22) for 3-8 weeks in a placebo-controlled, single-blind, crossover study. Supine and standing blood pressures (BP) were lowered, whereas effective renal plasma flow and glomerular filtration rates (estimated from the clearances o...

journal_title：Journal of cardiovascular pharmacology

authors： Wilcox CS,Lewis PS,Peart WS,Sever PS,Osikowska BA,Suddle SA,Bluhm MM,Veall N,Lancaster R

更新日期：1981-05-01 00:00:00

abstract：:Arterial hypertension complicating acute myocardial infarction (AMI) may aggravate myocardial damage, possibly through an increase in myocardial oxygen demand. This study reports the effects of clonidine in patients with hypertension complicating acute myocardial infarction. Forty patients (37 men and three women, ave...

journal_title：Journal of cardiovascular pharmacology

authors： Foresti A,Massari FM,Lotto A

更新日期：1986-01-01 00:00:00

abstract：:Bay k 8644, a new dihydropyridine calcium channel activator has been shown to have positive inotropic and vasoconstrictor properties following intravenous (i.v.) administration. In the present study, intracoronary administration of Bay k 8644 was used to isolate drug effects on regional myocardial blood flow and contr...

journal_title：Journal of cardiovascular pharmacology

authors： Pelc LR,Gross GJ,Brooks HL,Warltier DC

更新日期：1986-11-01 00:00:00

abstract：:The acute hemodynamic, hormonal, and pharmacokinetic responses to the oral angiotensin-converting enzyme (ACE) inhibitor spirapril were studied in 15 patients with moderate to severe congestive heart failure in a baseline controlled dose-ranging study. Doses of 0.3, 1.0, 1.5, 3.125, and 6.25 mg were investigated for 2...

journal_title：Journal of cardiovascular pharmacology

authors： van den Broek SA,van Bruggen A,de Graeff PA,Hillege H,van Gilst WH,Wesseling H,Lie KI

更新日期：1991-10-01 00:00:00

abstract：:Effects of amiodarone injected intravenously (i.v.) at two doses (10 and 20 mg/kg) on perfused isovolumic rat hearts were assessed by P-31 nuclear magnetic resonance (NMR). P-31 NMR is used to measure intracellular myocardial pH, phosphocreatine (PCr), and ATP contents time evolutions. Myocardial mechanical function i...

journal_title：Journal of cardiovascular pharmacology

authors： Vander Elst L,Goudemant JF,Mouton J,Chatelain P,Van Haverbeke Y,Muller RN

更新日期：1990-03-01 00:00:00

abstract：:Intracellular pH (pHi) regulation in the heart relies on the activity of three membrane mechanisms: the Na+/H+ exchange and an Na+, HCO3(-)-dependent transport, both activated after an acid load, and the Cl-/HCO(3-) exchange, activated by an intracellular alkalinization. Whereas several specific inhibitors of Na+/H+ e...

journal_title：Journal of cardiovascular pharmacology

authors： Lagadic-Gossmann D,Le Prigent K,Baut GL,Caignard DH,Renard P,Scalbert E,Feuvray D

更新日期：1996-10-01 00:00:00

abstract：:Although evidence has been accumulated to support a role of endothelin-1 (ET-1) in cardiac hypertrophy, details of the pathophysiological significance of ET-1 in cardiac hypertrophy remain to be elucidated. In the present study, we investigated the effects of the vasodilator hydralazine on the blood pressure, cardiac ...

journal_title：Journal of cardiovascular pharmacology

authors： Tanabe A,Naruse M,Adachi C,Seki T,Yoshimoto T,Takagi S,Naruse K,Takano K

更新日期：2000-11-01 00:00:00

abstract：:As cyclic 3',5'-guanosine monophosphate (cGMP) is still discussed as a possible mediator of the negative inotropic effects of cholinergic agents, the influence of acetylcholine (ACh) on force of contraction and cGMP tissue levels was studied in isolated, electrically driven guinea pig auricles in the presence of methy...

journal_title：Journal of cardiovascular pharmacology

authors： Groschner K,Holzmann S,Kukovetz WR

更新日期：1986-11-01 00:00:00

abstract：:Endothelin-1 (ET-1) stimulated cAMP formation in Chinese hamster ovary cells stably expressing human wild-type ET(A) (CHO/hET(A) cells) and inhibited the formation in cells expressing human wild-type ETB (CHO/hETB cells), suggesting a selective coupling of hET(A) and hETB with G alpha s and G alpha i, respectively. To...

journal_title：Journal of cardiovascular pharmacology

authors： Ninomiya H,Takagi Y,Miwa S,Masaki T

更新日期：1995-01-01 00:00:00

abstract：:Experiments were designed to examine mechanisms of relaxations to nitric oxide (NO) in venous smooth muscle. Rings of canine femoral veins without endothelium were suspended for measurement of isometric force in organ chambers. Concentration-response curves to NO and 8-Br-cyclic guanosine monophosphate (cGMP) were obt...

journal_title：Journal of cardiovascular pharmacology

authors： Bracamonte MP,Burnett JC Jr,Miller VM

更新日期：1999-09-01 00:00:00