Effects of ranolazine on the exercise capacity of rats with chronic heart failure induced by myocardial infarction.

abstract：:To gain insight with regard to the mode of action of calcium antagonists on the vasculature, we examined the effects of nifedipine, isradipine, felodipine, verapamil, gallopamil, and amlodipine on vasoconstrictor-induced prostacyclin synthesis in vitro. Cultured rat aortic smooth muscle cells were seeded after two to ...

journal_title：Journal of cardiovascular pharmacology

authors： Vallotton MB,Gerber-Wicht C,Dolci W,Rivest RW

更新日期：1990-04-01 00:00:00

abstract：:We designed an experimental animal study to study the effects of dopamine (DA) on diastolic function in hypothermia. DA was applied at five incremental infusion rates in 6 sheep during normothermia and moderate hypothermia (29 degrees C). Left ventricular end-diastolic pressure (LVEDP) was increased during hypothermia...

journal_title：Journal of cardiovascular pharmacology

authors： Schröder T,Hering JP,Heidelmeyer CF,Pahl R,Sipinková I,Hellige G

更新日期：1994-05-01 00:00:00

abstract：:Acetaminophen is a widely prescribed analgesic/antipyretic metabolized by hepatic glucuronide and sulfate conjugation. Twelve patients, 30-66 years of age, with stable Class III or IV congestive heart failure (CHF) and 12 healthy controls matched for age, sex, and weight received single 650-mg intravenous doses of ace...

journal_title：Journal of cardiovascular pharmacology

authors： Ochs HR,Schuppan U,Greenblatt DJ,Abernethy DR

更新日期：1983-07-01 00:00:00

abstract：:Left ventricular dysfunction in systemic sclerosis may be due in part to myocardial ischemia caused by a disturbance in coronary microcirculation. We evaluated the pharmacodynamic effect of the calcium channel blocker nicardipine on left ventricular function assessed by radionuclide ventriculography in 20 patients wit...

journal_title：Journal of cardiovascular pharmacology

authors： Kahan A,Devaux JY,Amor B,Menkès CJ,Weber S,Guérin F,Venot A,Strauch G

更新日期：1990-02-01 00:00:00

abstract：:The functional role of beta(3)-adrenergic receptors in the heart is still not clear. The actions of two widely used beta(3)-adrenoceptor agonists, such as BRL 37344 and CGP 12177, were studied in the isolated guinea pig heart, perfused at constant pressure according to the Langendorff technique. Heart contractility (d...

journal_title：Journal of cardiovascular pharmacology

authors： Kozlovski VI,Chlopicki S,Gryglewski RJ

更新日期：2003-05-01 00:00:00

abstract：:The effects of bilateral sinoaortic denervation were examined in rabbits in vivo and in vitro. In the in vivo studies the effects of intravenous administration of the alpha-adrenoceptor agonists phenylephrine and guanabenz and the antagonists prazosin and phentolamine on mean arterial pressure, heart rate, and plasma ...

journal_title：Journal of cardiovascular pharmacology

authors： Berthelot A,Hamilton CA,Petty MA,Reid JL

更新日期：1982-07-01 00:00:00

abstract：:We studied the inotropic and possible antioxidant effects of levosimendan in human atrial strips, before and after induction of oxidative stress induced by H2O2. Levosimendan (10(-9) to 10(-6) M) increased contractions induced by electrical stimulation (ES) in human atrial strips. The maximal positive inotropic effect...

journal_title：Journal of cardiovascular pharmacology

authors： Sahin AS,Görmüş N,Duman A

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to determine the effect of a combination of bone marrow mononuclear cell (BM-MNC) implantation and sarpogrelate, a selective 5-HT(2A) antagonist, on endothelial function in patients with critical limb ischemia (CLI). METHODS:We evaluated the leg blood flow (LBF) responses to ac...

journal_title：Journal of cardiovascular pharmacology

authors： Higashi Y,Miyazaki M,Goto C,Sanada H,Sueda T,Chayama K

更新日期：2010-01-01 00:00:00

abstract：:Various in vitro and in vivo techniques were used to evaluate the cardiovascular actions of MDL 19205, a new cardiotonic agent. In the anesthetized dog, intravenous administration of MDL 19205 (0.1-1 mg/kg) produced marked increases in cardiac contractile force which were accompanied by small increases in heart rate a...

journal_title：Journal of cardiovascular pharmacology

authors： Roebel LE,Dage RC,Cheng HC,Woodward JK

更新日期：1984-01-01 00:00:00

abstract：:The vasodilatory properties of prostacyclin were studied in 12 intubated patients who underwent coronary artery bypass surgery. When infused in doses of 2.5, 5, 10, and 20 ng/kg/min, prostacyclin produced a dose-dependent decrease in systemic vascular resistance from 2,702 +/- 143 to 1,654 +/- 106 dynes/cm5/m2 (p less...

journal_title：Journal of cardiovascular pharmacology

authors： Chelly JE,Fabiani JN,Tricot AM,Abry B,Carpentier A

更新日期：1987-02-01 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：:The acute, 60 min blood pressure and plasma renin responses to an oral test dose of captopril given to a quietly seated patient can be used to gain information quickly on renin dependency or lack of it in a hypertensive situation. This information is verified by a baseline renin sodium profile test. These two diagnost...

journal_title：Journal of cardiovascular pharmacology

authors： Laragh JH

更新日期：1985-01-01 00:00:00

abstract：:We examined the effects of the vasoconstrictor peptide endothelin-1 in the isolated heart and defined interactions of endothelin-1 with other hormone systems. Isolated isovolumic rat hearts were perfused with Krebs-Henseleit buffer at constant pressure. First, the effect of a single bolus of endothelin-1 (4-400 pmol) ...

journal_title：Journal of cardiovascular pharmacology

authors： Neubauer S,Ertl G,Haas U,Pulzer F,Kochsiek K

更新日期：1990-07-01 00:00:00

abstract：:The mechanism of natriuresis with calcium entry blockers such as felodipine is largely unexplained. As these drugs prevent sodium retention following exogenous angiotensin II, the natriuretic effect of felodipine might be due to a similar interaction with endogenous angiotensin II. In such a case, angiotensin converti...

journal_title：Journal of cardiovascular pharmacology

authors： van Hamersvelt HW,Wetzels JF,Kloke HJ,Koene RA,Huysmans FT

更新日期：1993-03-01 00:00:00

abstract：:Chloride (Cl-) efflux induces depolarization and contributes to contraction of cerebral arteries. We tested the effect of endothelin-1 and 5-hydroxytryptamine on isometric tension in rabbit basilar artery by inhibition of Na+-K+-2Cl- co-transporter and Cl-/HCO3- exchanger to decrease Cl-, by decreasing extracellular C...

journal_title：Journal of cardiovascular pharmacology

authors： Dai Y,Zhang J

更新日期：2004-11-01 00:00:00

abstract：:The effects of 5-hydroxypropafenone (5-OH-P), the main metabolite of propafenone, were studied in guinea pig papillary muscles obtained from untreated animals and from animals pretreated with 5-OH-P, 3 mg/kg for 24 days. In untreated muscles perfused with 2.7 and 5.4 mM K+, 5-OH-P depressed action potential amplitude ...

journal_title：Journal of cardiovascular pharmacology

authors： Valenzuela C,Delgado C,Tamargo J

更新日期：1987-11-01 00:00:00

abstract：:The effects on blood lipids and uric acid of six different antihypertensive drugs used alone, and of five different combinations of two antihypertensive drugs, are reported here. Prazosin significantly lowered serum low density lipoprotein and very low density lipoprotein (LDL + VLDL) cholesterol and total triglycerid...

journal_title：Journal of cardiovascular pharmacology

authors： Leren P,Eide I,Foss OP,Helgeland A,Hjermann I,Holme I,Kjeldsen SE,Lund-Larsen PG

更新日期：1982-01-01 00:00:00

abstract：:The effects of various doses of creatine phosphate have been examined in a rat model of acute myocardial ischaemia. When given directly into the lumen of the left ventricle in pentobarbitone-anaesthetised male rats, creatine phosphate (50 and 100 mg/kg) markedly reduced the incidence of ventricular ectopic beats, and ...

journal_title：Journal of cardiovascular pharmacology

authors： Fagbemi O,Kane KA,Parratt JR

更新日期：1982-01-01 00:00:00

abstract：:The aim of the present study was to investigate the putative role of endothelin (ET) in mediating ischemia/hypoxia-induced ANP release utilizing exogenous ET-1 or ET receptor antagonists (BQ-123 or Bosentan). Isolated rat hearts with non-distended atria were perfused using a Langendorff apparatus and heart rate mainta...

journal_title：Journal of cardiovascular pharmacology

authors： Zhang Y,Oliver JR,Horowitz JD

更新日期：2004-02-01 00:00:00

abstract：:We have evaluated the effects of indoramin, an alpha-adrenoreceptor blocking drug, used as sole therapy in a group of 27 patients with essential hypertension. Blood pressure and heart rate were measured continuously over prolonged ambulatory periods using an established invasive technique before and after six weeks of...

journal_title：Journal of cardiovascular pharmacology

authors： Gould BA,Mann S,Davies AB,Altman DG,Raftery EB

更新日期：1983-05-01 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：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：: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：:Depression of myocardial contractility by muscarinic agonists is dependent on underlying beta-adrenergic tone. The negative inotropic effect of muscarinic agonists is enhanced by previous beta-adrenergic stimulation, an action that has been termed accentuated antagonism. We wished to determine whether accentuated anta...

journal_title：Journal of cardiovascular pharmacology

authors： Thurston TA,Mathew BP

更新日期：1995-12-01 00:00:00

abstract：:Acute ischemic left ventricular failure was induced in dogs by coronary embolization with plastic microspheres, resulting in reduced cardiac output (CO), increased left ventricular end-diastolic pressure (LVEDP), pulmonary capillary pressure (PCP), and total peripheral resistance (TPR). Intravenous (i.v.) administrati...

journal_title：Journal of cardiovascular pharmacology

authors： Metzenauer P,Dedecke R,Göbel H,Martorana PA,Stroman F,Szelenyi I

更新日期：1989-07-01 00:00:00

abstract：:We investigated the effects of the new beta-adrenoceptor antagonist, bopindolol, on stimulated renin secretion and on renal function in conscious rats. Intravenous doses of 10, 31.6, and 100 micrograms/kg of bopindolol antagonized the rise in plasma renin activity (PRA) induced by the administration of isoproterenol (...

journal_title：Journal of cardiovascular pharmacology

authors： Proakis AG,Barrett RJ,Anderson LA,Wright KF,Taylor DR

更新日期：1989-06-01 00:00:00

abstract：:This study investigated whether intrarenal endothelin-1(ET-1) contributes to sodium excretion in aged rats. Metabolic function studies were performed in male Wistar rats (3 and 24 months) treated with placebo or the orally active ET(A) receptor antagonist darusentan (20 mg/kg/d) for 4 weeks. Mean arterial pressure was...

journal_title：Journal of cardiovascular pharmacology

authors： Traupe T,Ortmann J,Haas E,Münter K,Parekh N,Hofmann-Lehmann R,Baumann K,Barton M

更新日期：2006-03-01 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：:Ambulatory blood pressure monitoring (ABPM) is increasingly used in the clinical evaluation of hypertension. However, a number of limitations restrict its routine use. One of the limitations is a lack of definite conclusions about ambulatory blood pressure normality, because of the shortcomings of previous studies on ...

journal_title：Journal of cardiovascular pharmacology

authors： Sega G,Bravi C,Cesana G,Valagussa F,Mancia G,Zanchetti A

更新日期：1994-01-01 00:00:00

abstract：:Gangliosides, sialic acid-containing glycosphigolipids, are localized mostly to the outer leaflet of the lipid bilayer in the plasma membrane, particularly in brain. Gangliosides reduce edema formation, restore glucose metabolism, and increase cerebral blood flow after focal ischemia in the rat brain. We wished to det...

journal_title：Journal of cardiovascular pharmacology

authors： Maulik N,Das DK,Gogineni M,Cordis GA,Avrova N,Denisova N

更新日期：1993-07-01 00:00:00