Effects of intracoronary Bay k 8644, a calcium channel agonist, in anesthetized dogs.

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：:Activating IK1 channels is considered to be a promising antiarrhythmic strategy. Zacopride has been identified as a selective IK1 channel agonist and can suppress triggered arrhythmias. Whether this drug also exerts a beneficial effect on cardiac remodeling is unknown, and the present study sought to address this ques...

journal_title：Journal of cardiovascular pharmacology

authors： Liu CF,Liu QH,Liu EL,Zhai XW,Zhang L,Luo TE,Zhang WF,Feng QL,Cui XL,Zhao ZQ,Cao JM,Wu BW

更新日期：2014-10-01 00:00:00

abstract：:Nebivolol, a chemically novel beta 1-adrenoceptor antagonist, acutely lowers blood pressure in spontaneously hypertensive rats, anaesthetised normotensive dogs, and hypertensive patients. We have investigated the actions of dl-nebivolol in five conscious normotensive rabbits (sham, mean blood pressure (BP) of 82.2 +/-...

journal_title：Journal of cardiovascular pharmacology

authors： Ward JE,Coles P,Cox H,Eisenhofer G,Angus JA

更新日期：1992-07-01 00:00:00

abstract：:There has been some debate regarding the benefit of magnesium (Mg) in the treatment of acute myocardial infarction (AMI) because of conflicting results from recent clinical trials. Several different hypotheses have been advanced to explain the cardioprotective properties of Mg, including the influence of the timing of...

journal_title：Journal of cardiovascular pharmacology

authors： Serebruany VL,Herzog WR,Schlossberg ML,Edenbaum LR,Gurbel PA

更新日期：1996-12-01 00:00:00

abstract：:At present, there is no information on endothelin-1 (ET-1)-mediated vascular effects in the human spleen. The objectives of this study were to investigate the in vitro vascular responses to ET-1 using pharmacologic probes (selective ET receptor agonists/antagonists) and to characterize the ET receptor population in th...

journal_title：Journal of cardiovascular pharmacology

authors： Faro R,Grassi-Kassise DM,Boin I,Withrington PG,Opgenorth TJ,Ferraz JG,Antunes E,de Nucci G

更新日期：1998-01-01 00:00:00

abstract：:The electromechanical effects of UK-68,798 (UK), a novel class III antiarrhythmic drug, were studied in guinea pig and rat papillary muscles (PMs) and atria in vitro using conventional microelectrode technique. UK (10(-8)-10(-6) M) prolonged the action potential duration (APD) by 21-58% and effective refractory period...

journal_title：Journal of cardiovascular pharmacology

authors： Tande PM,Bjørnstad H,Yang T,Refsum H

更新日期：1990-09-01 00:00:00

abstract：:Alterations in the function and structure of the blood vessel wall account for most clinical events in the coronary and cerebrovascular circulation such as myocardial infarction and stroke. Cardiovascular drugs may exert beneficial effects on the vascular wall both at the level of the endothelium and vascular smooth m...

journal_title：Journal of cardiovascular pharmacology

authors： Lüscher TF,Spieker LE,Noll G,Cosentino F

更新日期：2001-12-01 00:00:00

abstract：:The complex formed between endothelin (ET) and its binding protein was adequately stable to be separated by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis (PAGE) at low temperature. Cross-linking was not necessary. This simple method was applied for both qualitative (determination of molecular weight ...

journal_title：Journal of cardiovascular pharmacology

authors： Takasuka T,Satoh N,Horii I,Furuichi Y,Watanabe T

更新日期：1991-01-01 00:00:00

abstract：:Several mechanisms of action for Ca2+ antagonists are possible at the vascular muscle cell membrane and at subsequent steps. In rat caudal artery, nitrendipine hyperpolarizes the resting vascular muscle cell, an action different from that of verapamil. Hyperpolarization might be expected to explain the relaxant action...

journal_title：Journal of cardiovascular pharmacology

authors： Hermsmeyer K,Kuthe C

更新日期：1984-01-01 00:00:00

abstract：:Sotalol is a beta-blocker with class III antiarrhythmic properties that has recently been used in children for the treatment of supraventricular and ventricular arrhythmias. However, little is known about its electrophysiologic effects on the immature heart. Using intracardiac electrocardiographic recordings and stimu...

journal_title：Journal of cardiovascular pharmacology

authors： Houyel L,Fournier A,Ducharme G,Chartrand C,Davignon A

更新日期：1992-01-01 00:00:00

abstract：:Clobutinol has been clinically reported to induce long QT syndrome. To clarify its cardiac electrophysiological properties, we compared effects of clobutinol on the isolated myocardium and anesthetized guinea pig heart with those of a hERG K channel blocker, E-4031. In isolated guinea pig ventricular tissues, clobutin...

journal_title：Journal of cardiovascular pharmacology

authors： Takahara A,Sasaki R,Nakamura M,Sendo A,Sakurai Y,Namekata I,Tanaka H

更新日期：2009-12-01 00:00:00

abstract：:The potential therapeutic value of a new prostacyclin analogue, (4z, 16s)-4,5,18,18,19,19-hexadehydro-16,20-dimethyl-delta 6(9a)- 9-(O)-methano-PGI1 (KP-10614), was studied in acute myocardial infarction in rats. Myocardial infarction was induced by ligation of the left coronary artery and ischemic injury was followed...

journal_title：Journal of cardiovascular pharmacology

authors： Kanayama T,Kimura Y,Tamao Y,Mizogami S

更新日期：1992-10-01 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：:To examine the role of sulfhydryl (-SH) group in improvement of endothelial dysfunction with angiotensin-converting enzyme (ACE) inhibitors in experimental high dose of methionine dieted rats. We compared the effects of Captopril (an ACE inhibitor with -SH group), enalapril (an ACE-inhibitor without -SH group), N-acet...

journal_title：Journal of cardiovascular pharmacology

authors： Liu YH,Liu LY,Wu JX,Chen SX,Sun YX

更新日期：2006-01-01 00:00:00

abstract：:We compared the electrophysiological effects of a new amiodarone-like agent, SR 33589, with those of amiodarone. Mongrel dogs were anesthetized with chloralose, and electrodes were implanted in right atrium and ventricle for electrical stimulation and regional ECG measurement. Sinus cycle length (CL), AH interval, Wen...

journal_title：Journal of cardiovascular pharmacology

authors： Manning A,Thisse V,Hodeige D,Richard J,Heyndrickx JP,Chatelain P

更新日期：1995-02-01 00:00:00

abstract：BACKGROUND:There is increasing evidence that endogenous sex hormones regulate vascular reactivity, and testosterone may contribute to the worse prognosis for renal disease in men. Male Zucker diabetic rats exhibit improved renal hemodynamic responses after castration. It is, however, unclear whether endogenous testoste...

journal_title：Journal of cardiovascular pharmacology

authors： Ajayi AA,Fidelis P

更新日期：2006-11-01 00:00:00

abstract：:Oxygen-derived free radicals and their metabolites may contribute to the extension of irreversible cellular injury, which occurs on reperfusion of the previously ischemic myocardium. Therefore, therapy directed against the toxic effects of reactive oxygen species may provide protection to the ischemic myocardium, whic...

journal_title：Journal of cardiovascular pharmacology

authors： Mitsos SE,Fantone JC,Gallagher KP,Walden KM,Simpson PJ,Abrams GD,Schork MA,Lucchesi BR

更新日期：1986-09-01 00:00:00

abstract：:Previous animal experiments suggest that the increase in the amplitude from the R-wave to the S-wave (RSh) may be more sensitive than other ECG measures to sodium channel blocking drug actions. We measured RSh of three orthogonal leads at baseline and during intravenous pharmacologic stimulation with adenosine, ajmali...

journal_title：Journal of cardiovascular pharmacology

authors： Wolzt M,Schmetterer L,Gouya G,Zanaschka G,Eichler HG

更新日期：1995-10-01 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：:Lacidipine is a clinically active, antihypertensive calcium antagonist of the 1,4 dihydropyridine (DHP) class. It is also capable of vascular protection when administered (prophylactically and therapeutically) at nonsustained antihypertensive doses to salt-sensitive Dahl-S rats: useful animal models for studying the v...

journal_title：Journal of cardiovascular pharmacology

authors： Crespi F,Vecchiato E,Lazzarini C,Andreoli M,Gaviraghi G

更新日期：2002-04-01 00:00:00

abstract：:We investigated the endothelin (ET) receptors involved in the vasoconstrictor responses to ET-1 in rat pulmonary arteries and arterioles and the effect of endothelium removal, nitric oxide (NO) synthase inhibition, and hypoxia on ET-1-induced responses in the arteries. In isolated rat pulmonary artery rings (2-3 mm ID...

journal_title：Journal of cardiovascular pharmacology

authors： MacLean MR,McCulloch KM,Baird M

更新日期：1994-05-01 00:00:00

abstract：:We investigated the effect of NIP-121, a novel ATP-sensitive K+ channel opener, on myocardial damage during ischemia/reperfusion. The action potential and contractile force of coronary-perfused guinea pig right ventricular walls were recorded. The preparations were subjected to 30-min no-flow ischemia with or without ...

journal_title：Journal of cardiovascular pharmacology

authors： Tanaka H,Okazaki K,Shigenobu K

更新日期：1996-05-01 00:00:00

abstract：:According to the standard model of G protein-coupled receptor (GPCR) signaling, GPCRs are localized to the cell membrane where they respond to extracellular signals. Stimulation of GPCRs leads to the activation of heterotrimeric G proteins and their intracellular signaling pathways. However, this model fails to accomm...

journal_title：Journal of cardiovascular pharmacology

authors： Campden R,Audet N,Hébert TE

更新日期：2015-02-01 00:00:00

abstract：:Coronary artery disease (CAD) is the major cause of death in hypertensive patients in Western populations and further efforts are required to determine how best to reduce its incidence. Large-scale placebo-controlled trials of blood pressure reduction could resolve the uncertainty about the effects of antihypertensive...

journal_title：Journal of cardiovascular pharmacology

authors： MacMahon S,Sharpe N

更新日期：1990-01-01 00:00:00

abstract：:Vasopeptidase inhibitors are single molecules that inhibit neutral endopeptidase (NEP) and angiotensin-converting enzyme (ACE) simultaneously. Omapatrilat, the first in this new class of cardiovascular agents, potentiates vasodilatory and cardioprotective peptides and represses angiotensin II. This study compared the ...

journal_title：Journal of cardiovascular pharmacology

authors： Trippodo NC,Fox M,Monticello TM,Panchal BC,Asaad MM

更新日期：1999-12-01 00:00:00

abstract：:The effect of canrenone, an antialdosterone and partial ouabain-agonist drug, was studied in rats that developed volume expansion and hypertension after renal mass reduction and excess Na+ intake (RRM-salt). The RRM-salt was characterized by: (1) increased endogenous "digitalis-like" compounds in plasma [cross reactiv...

journal_title：Journal of cardiovascular pharmacology

authors： de Mendonça M,Grichois ML,Pernollet MG,Wauquier I,Trouillet-Thormann B,Meyer P,Devynck MA,Garay R

更新日期：1988-01-01 00:00:00

abstract：:Cardiac endothelial nitric oxide synthase (ecNOS) was suppressed and inducible NOS (iNOS) enhanced at the decompensated heart failure stage in 18-week-old Dahl salt-sensitive (DS) hypertensive rats to which a high-salt diet had been administered from the age of 6 weeks. Nicorandil (NIC) enhanced ecNOS by activating Ad...

journal_title：Journal of cardiovascular pharmacology

authors： Horinaka S,Kobayashi N,Yagi H,Mori Y,Matsuoka H

更新日期：2006-05-01 00:00:00

abstract：:The mechanisms by which tolerance to organic nitrates develops are still poorly understood. Enhanced oxidative stress, i.e., increased free radical production following organic nitrate administration, has been recently suggested as a possible mechanism. A randomized, double-blind, crossover study assessed in 18 health...

journal_title：Journal of cardiovascular pharmacology

authors： Keimer R,Stutzer FK,Tsikas D,Troost R,Gutzki FM,Frölich JC

更新日期：2003-02-01 00:00:00

abstract：:The effects of bPTH-(1-34), a synthetic preparation of bovine parathyroid hormone containing the first 34 amino acids, on electromechanical activity of isolated rabbit sinus node cells and guinea pig papillary muscles were examined by microelectrode techniques. In sinus node cells, bPTH-(1-34) (10(-7) M) decreased the...

journal_title：Journal of cardiovascular pharmacology

authors： Kondo N,Shibata S,Tenner TE Jr,Pang PK

更新日期：1988-05-01 00:00:00

abstract：:Ferulic acid is a simple phenolic acid commonly present in cereals. In this study, changes in heart and kidney structure and function were measured in young N(ω)-nitro-L-arginine methyl ester (L-NAME)-treated Wistar rats and 10-month-old spontaneously hypertensive rats (SHR) alone and after chronic treatment with feru...

journal_title：Journal of cardiovascular pharmacology

authors： Alam MA,Sernia C,Brown L

更新日期：2013-03-01 00:00:00