Calcium antagonists and excitation of the vascular muscle membrane.

abstract：:The therapeutic strategy of heart rate control for atrial fibrillation (AF) is undergoing a renaissance since several recent randomized trials demonstrated clear advantages over the rhythm control for many patients. Heart rate control for AF is hampered, however, by a dearth of information relating target heart rates ...

journal_title：Journal of cardiovascular pharmacology

authors： Wyse DG

更新日期：2008-07-01 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 structure-activity relationships of phosphoramidon analogues for inhibition of endothelin-converting enzyme (ECE), neutral endopeptidase 24.11 (NEP), and angiotensin-converting enzyme (ACE) were compared. Phosphoramidon inhibited ECE, NEP, and ACE activities with IC50 values of 3.5, 0.034, and 78 microM, respectiv...

journal_title：Journal of cardiovascular pharmacology

authors： Kukkola PJ,Savage P,Sakane Y,Berry JC,Bilci NA,Ghai RD,Jeng AY

更新日期：1995-01-01 00:00:00

abstract：:The effect of chronic inhibition of nitric oxide (NO) synthesis by NG-nitro-L-arginine methyl ester (L-NAME) on cutaneous ear blood flow (EBF) in the rabbit was examined in vivo with use of laser Doppler flowmetry. Additionally, the efficacy of inhibition of NO by L-NAME was studied ex vivo in isolated preparations of...

journal_title：Journal of cardiovascular pharmacology

authors： Khan F,Palacino JJ,Coffman JD,Cohen RA

更新日期：1993-08-01 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：: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：:Loop diuretics could adversely influence prognosis due to activation of neurohumoral mechanism in the long term. Previous study showed torasemide, a loop diuretic with anti-aldosteronergic properties, was associated with lower mortality in patients with chronic heart failure (CHF). We evaluated the effects of torasemi...

journal_title：Journal of cardiovascular pharmacology

authors： Harada K,Izawa H,Nishizawa T,Hirashiki A,Murase Y,Kobayashi M,Isobe S,Cheng XW,Noda A,Nagata K,Yokota M,Murohara T

更新日期：2009-06-01 00:00:00

abstract：:Compound LY249933 and its component diastereomers, (RR) and (SR), were studied for their vascular and cardiac effects in vitro and in vivo. In guinea pig cardiac ventricular membranes, LY249933, (RR), and (SR) potently displaced bound [3H]nitrendipine (Kd values = 2-6 nM). In isolated guinea pig right ventricular stri...

journal_title：Journal of cardiovascular pharmacology

authors： Holland DR,Wikel JH,Kauffman RF,Smallwood JK,Zimmerman KM,Utterback BG,Turk JA,Steinberg MI

更新日期：1989-09-01 00:00:00

abstract：:In isolated rat tail arteries perfused with Krebs-Henseleit solution, ouabain, in concentrations of less than 10(-5) M, caused a concentration-dependent, noncompetitive inhibition of the vasoconstrictor response to phenylephrine. Concentrations of 10(-8) and 10(-6) M caused 30 and 61% inhibition, respectively. The inh...

journal_title：Journal of cardiovascular pharmacology

authors： Armsworth SJ,Marwood JF,Stokes GS

更新日期：1985-07-01 00:00:00

abstract：:The function of presynaptic angiotensin II receptors at postganglionic sympathetic terminal axons under conditions of uninterrupted sympathetic impulse traffic was studied in anesthetized rabbits (alfadolone + alfaxalone). Mean arterial pressure, postganglionic renal sympathetic firing rate, the arterial plasma noradr...

journal_title：Journal of cardiovascular pharmacology

authors： Szabo B,Hedler L,Schurr C,Starke K

更新日期：1990-06-01 00:00:00

abstract：:This study was performed to determine if cardiodepression can be dissociated from cardioprotection with calcium antagonists and which one (diltiazem, nifedipine, or verapamil) can maximally protect ischemic myocardium at a given level of cardiodepression. Isolated rat hearts were subjected to 0.1, 0.5, or 1.0 microM d...

journal_title：Journal of cardiovascular pharmacology

authors： Grover GJ,Sleph PG

更新日期：1989-08-01 00:00:00

abstract：:The dihydropyridine calcium antagonist nitrendipine offers a pathophysiologically based antihypertensive treatment with a potent dilation of resistance vessels, increased arterial compliance, and an acute natriuretic/diuretic response. Prolonged nitrendipine treatment in essential hypertension is not associated with s...

journal_title：Journal of cardiovascular pharmacology

authors： Hulthén UL,Katzman PL

更新日期：1988-01-01 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：BACKGROUND:Paraquat poisoning is one of leading intoxication worldwide without an effective antidote and treatment protocol. Among the other organs, cardiotoxicity of paraquat has been frequently reported. AIM:The protective effects of atorvastatin (STN) on paraquat-induced cardiotoxicity and the role of peroxisome pr...

journal_title：Journal of cardiovascular pharmacology

authors： Malekinejad M,Masoumi Verki M,Khoramjouy M,Alenabi A,Hallaj-Salahipour M,Malekinejad H

更新日期：2019-11-01 00:00:00

abstract：:High blood pressure (BP) is associated with increased risk of vascular disease, including myocardial infarction and stroke. Since drugs that lower BP will reduce the risk of those complications of hypertension that are due to high pressure (strokes due to small-vessel disease, including lacunar infarction and intracer...

journal_title：Journal of cardiovascular pharmacology

authors： Spence JD

更新日期：1987-01-01 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：:Effects of diltiazem on coronary vascular functional integrity were assessed in isolated rabbit hearts during reperfusion after 30 min of global, no-flow ischemia. External detection of radiolabeled albumin, [125I]bovine serum albumin ([125I]BSA), and compartmental-model analysis were used to estimate the mean transit...

journal_title：Journal of cardiovascular pharmacology

authors： Tilton RG,Williamson EK,Cole PA,Larson KB,Kilo C,Williamson JR

更新日期：1985-05-01 00:00:00

abstract：:Phosphoinositide (PI) turnover, chronotropic and inotropic responses to alpha 1-adrenoceptor activation, and alpha 1-adrenoceptor density were studied in atria from rats with left ventricular myocardial infarction (LVMI) and noninfarcted rats. LVMI was produced after surgical ligation of the left coronary artery in 8-...

journal_title：Journal of cardiovascular pharmacology

authors： Rowley KG,Tung LH,Hodsman GP,Howes LG,Jarrott B,Beart PM,Louis WJ

更新日期：1991-03-01 00:00:00

abstract：:This study describes the hemodynamic dose-response characteristics of a titrated, continuous adenosine infusion before and 1 h (anesthetized), 1 week, and 1 year after coronary artery bypass graft (CABG) surgery. Average tolerated adenosine infusion rates were less 1 h and 1 week after surgery (128 +/- 23 and 118 +/- ...

journal_title：Journal of cardiovascular pharmacology

authors： Anderson RE,Lind B,Owall A,Brodin LA

更新日期：1997-03-01 00:00:00

abstract：:This study evaluated the 24-h antihypertensive effect of single daily doses of celiprolol, a beta-1 adrenoceptor antagonist. Patients with supine diastolic BP between 95 and 114 mm Hg started on placebo or celiprolol 200 mg daily for 2 weeks; non-responders received 400 mg daily for 2 weeks and then 600 mg daily for a...

journal_title：Journal of cardiovascular pharmacology

authors： Capone P,Mayol R

更新日期：1986-01-01 00:00:00

abstract：:Autoradiographical images of whole body sections from control mice (29 +/- 3 days old) revealed high ETA densities within the cardiovascular system, with ETB receptors predominating in the kidney. A similar distribution of ETA receptors was found in ETB-deficient mice (25 +/- 2 days old) but the density was reduced in...

journal_title：Journal of cardiovascular pharmacology

authors： Davenport AP,Kuc RE

更新日期：2004-11-01 00:00:00

abstract：:The present study was undertaken to investigate the interaction between endothelin-1 (ET-1) and norepinephrine (NE) on contractile regulation in dog ventricular myocardium. ET-1 alone did not elicit any inotropic response in isolated dog ventricular trabeculae (37 degrees C, 0.5 Hz). In the presence of NE at a high co...

journal_title：Journal of cardiovascular pharmacology

authors： Chu L,Endoh M

更新日期：2000-01-01 00:00:00

abstract：:Essential hypertension is now considered a disease of pressure regulation implicating a multiplicity of physiological mechanisms. It is probably genetically predisposed and is associated with altered sensitivity to the sodium ion and a more than chance association with other clinical diseases. New concepts are emergin...

journal_title：Journal of cardiovascular pharmacology

authors： Frohlich ED

更新日期：1984-01-01 00:00:00

abstract：:21-Aminosteroids are a group of new synthetic compounds developed as antiperoxidants. Although several studies have demonstrated their cardioprotective properties in acute ischemic models, none has assessed their long-term benefits after chronic myocardial infarction. In this investigation, we examined the cardioprote...

journal_title：Journal of cardiovascular pharmacology

authors： Ngo PL,Chen H,Qi S,Paquette F,Dumont L

更新日期：1999-12-01 00:00:00

abstract：:Independent determinations of Ca2+ by two indicators showed that subcellular Ca2+ activity (intracellular free calcium concentration) was heterogeneous in rat myocardial cells. Arsenazo III (Az III), a membrane-impermeant absorbance indicator for Ca2+, was loaded into cardiac muscle via liposomes and calcium quantitat...

journal_title：Journal of cardiovascular pharmacology

authors： Hermsmeyer K,Mason R,Puga A,Erne P

更新日期：1991-01-01 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：:We examined four commercially available human cell lines for endothelin-converting-enzyme-(ECE) like activity and compared the results with primary porcine aortic endothelial cell enzymes. The cells that were investigated were 293 (transformed primary human embryonal kidney), Hep G2 (human hepatocellular carcinoma), H...

journal_title：Journal of cardiovascular pharmacology

authors： Knap AK,Wigg AM

更新日期：1993-01-01 00:00:00

abstract：:The propyl derivative of ajmaline, N-n-propylajamaline (prajmalium), is an antiarrhythmic compound that lacks the commonly reported negative inotropic effects of all others under clinical use. The present study was undertaken to establish and understand its effects at the cellular level in mammalian preparations. Elec...

journal_title：Journal of cardiovascular pharmacology

authors： Alvarez JL,Rubio L,Garrido G,Vassort G

更新日期：1992-07-01 00:00:00

abstract：:The cardiovascular effects of intracerebroventricular (i.c.v.) administration of choline were studied in endotoxin-treated rats. Intravenous (i.v.) endotoxin (20 mg/kg) caused a moderate hypotension and tachycardia within 10 min of treatment. Choline (50, 100, and 150 microg; i.c.v.) increased blood pressure and decre...

journal_title：Journal of cardiovascular pharmacology

authors： Savci V,Ulus IH

更新日期：1997-11-01 00:00:00

abstract：:The new vasodilator and inotropic drug enoximone was given to dialysis patients as a single intravenous dose of 1 mg/kg. Plasma concentrations were measured up to 240 min. The mother compound enoximone reached a high plasma concentration intravenously, followed by a quick decline of the plasma concentration curve (t1/...

journal_title：Journal of cardiovascular pharmacology

authors： Fiegel P,Trenk D,Jaehnchen E,Dieterich HA

更新日期：1989-01-01 00:00:00