Comparative study of vascular effects of four calcium antagonists using a multi-organ functional imaging technique with thallium-201.

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：:Peptide 6A, a degradation of B beta chain of fibrinogen, is known to increase coronary and femoral blood flow. In this study, we examined the effects of peptide 32, an analogue of peptide 6A on coronary blood flow in anesthetized dogs. Intracoronary administration of equimolar amounts of peptide 32 and peptide 6A show...

journal_title：Journal of cardiovascular pharmacology

authors： Saldeen TG,Nichols WW,Saldeen K,Wallin R,Mehta JL

更新日期：1994-01-01 00:00:00

abstract：:Sixty patients with mild to moderate essential hypertension, uncontrolled with diuretics alone, were evaluated in a double-blind randomized study that compared the effect of indoramin plus hydrochlorothiazide with that of pindolol plus hydrochlorothiazide. Following a 2-week period during which the patients were treat...

journal_title：Journal of cardiovascular pharmacology

authors： Luomanmäki K,Hartikainen M

更新日期：1986-01-01 00:00:00

abstract：:Isolated perfused rat kidney was used to examine the possible mechanisms involved in the hypotensive/vasodilator actions of cryptolepine. In kidneys preconstricted by phenylephrine (PE 5-7.5 x 10(-7) M), cryptolepine at bolus doses of 2.5, 5, and 10 micrograms elicited dose-dependent reductions in perfusion pressure b...

journal_title：Journal of cardiovascular pharmacology

authors： Oyekan AO

更新日期：1994-04-01 00:00:00

abstract：:Platelet-derived growth factor (PDGF) is a potent stimulator of growth of vascular smooth muscle cells (VSMCs). VSMCs from spontaneously hypertensive rats (SHRs) show exaggerated growth and increasingly express PDGF A-chain messenger RNA (mRNA). To examine adenovirus-mediated transfer of a ribozyme targeting the PDGF ...

journal_title：Journal of cardiovascular pharmacology

authors： Hu WY,Fukuda N,Kotani M,Kanmatsuse K

更新日期：2002-06-01 00:00:00

abstract：:A plethora of studies have demonstrated that cardiomyopathy represents a serious source of morbidity and mortality in patients with diabetes. Yet, the underlying mechanisms of diabetic cardiomyopathy are still poorly understood. Of interest, cytochrome P450 2J (CYP2J) and soluble epoxide hydrolase (sEH) are known to c...

journal_title：Journal of cardiovascular pharmacology

authors： Maayah ZH,McGinn E,Al Batran R,Gopal K,Ussher JR,El-Kadi AOS

更新日期：2019-09-01 00:00:00

abstract：:This study was undertaken to determine and confer the cardioprotective effects of the adenosine A2 receptor (A2AR) and its impact on myocardial autophagy in the setting of reperfusion. We established a rat ischemia model by subjecting rats to 30 minutes of ischemia (I) and 120 minutes of reperfusion (R). The A2AR agon...

journal_title：Journal of cardiovascular pharmacology

authors： Ke J,Yao B,Li T,Cui S,Ding H

更新日期：2015-07-01 00:00:00

abstract：:Several antiarrhythmic agents with Na-channel blocking action have been shown to inhibit cardiac K(ATP) channels. We used cibenzoline to examine its precise target site using patch-clamp techniques and receptor binding assays in guinea-pig ventricular myocytes. Exposure of myocytes to a glucose-free perfusate containi...

journal_title：Journal of cardiovascular pharmacology

authors： Horie M,Watanuki M,Tsuji K,Ishida H,Ishida-Takahashi A,Yuzuki Y,Seino Y,Sasayama S

更新日期：2000-03-01 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：:Heart failure is associated with attenuation of parasympathetic nervous function and enhanced renin-angiotensin activity. We tested whether there was a dysfunction in the efferent cholinergic neurotransmission in the heart of rats with chronic myocardial infarction (MI) and the potential role of angiotensin II (Ang II...

journal_title：Journal of cardiovascular pharmacology

authors： Du XJ,Cox HS,Dart AM,Esler MD

更新日期：1998-06-01 00:00:00

abstract：:As part of the Amlodipine Cardiovascular Community Trial (ACCT), which was a large multicenter study designed to assess the effects of the calcium channel blocker amlodipine besylate (Norvasc) as monotherapy for treatment of mild to moderate hypertension, we sought to determine the effects of amlodipine on regression ...

journal_title：Journal of cardiovascular pharmacology

authors： Kloner RA,Sowers JR,DiBona GF,Gaffney M,Wein M

更新日期：1995-09-01 00:00:00

abstract：:The purpose of this study was to examine the sympathetic-parasympathetic interactions on heart rate through release of neuropeptide Y (NPY) and its action on prejunctional NPY Y2 receptors on vagal and sympathetic nerve fibers. In other studies on various preparations and in various organs, attenuation of transmitter ...

journal_title：Journal of cardiovascular pharmacology

authors： Ilebekk A,Björkman JA,Nordlander M

更新日期：2005-10-01 00:00:00

abstract：:The long-term efficacy of percutaneous transluminal coronary angioplasty (PTCA) is severely limited by the high incidence of vascular restenosis. Endothelin-1 (ET-1) has been implicated in the pathogenesis of this response, since circulating levels of this potent smooth-muscle mitogen are elevated after PTCA. Therefor...

journal_title：Journal of cardiovascular pharmacology

authors： Douglas SA,Ohlstein EH

更新日期：1993-01-01 00:00:00

abstract：:The prognosis for patients with congestive heart failure (CHF) is poor, with a mortality exceeding 50% within 5 years from diagnosis. This poor prognosis remains despite improved pharmacological therapy. Because the prevalence of sudden death among these patients is high, reported to exceed 40%, the prognostic importa...

journal_title：Journal of cardiovascular pharmacology

authors： Birgersdotter-Green U,Rosenqvist M,Rydén L

更新日期：1991-01-01 00:00:00

abstract：:Calcium-entry blockers were administered in an attempt to protect myocardium during cardiac arrest due to ventricular fibrillation in mechanically ventilated dogs. An intravenous injection of verapamil, nifedipine, or lidoflazine was administered prior to successively prolonged episodes of ventricular fibrillation, du...

journal_title：Journal of cardiovascular pharmacology

authors： Vincent JL,Goldstein J,Dufaye P,Domb M

更新日期：1984-11-01 00:00:00

abstract：:Antecubital venous plasma neuropeptide Y-like immunoreactivity (NPY-LI) and catecholamines were analyzed in six healthy volunteers performing a graded bicycle exercise without medication and after acute administration of clonidine, phentolamine, and nifedipine. During the control exercise, plasma noradrenaline (NA), a...

journal_title：Journal of cardiovascular pharmacology

authors： Pernow J,Lundberg JM,Kaijser L

更新日期：1988-01-01 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

abstract：:We investigated the interaction between nitroxy groups and angiotensin-converting enzyme (ACE) inhibitors to assess the role of sulfhydryl groups and adenosine triphosphate (ATP)-sensitive potassium channels in vasodilation of human coronary resistance vessels in vitro. Coronary resistance vessels were resected from t...

journal_title：Journal of cardiovascular pharmacology

authors： Takahashi K,Ohyanagi M,Kobayashi S,Iwasaki T,Miyamoto T

更新日期：2000-10-01 00:00:00

abstract：:Celiprolol is reported to be a new cardioselective beta blocker with novel ancillary properties including vasodilator effects. The purpose of this study was to investigate whether celiprolol possesses a direct vasodilatory effect on human vasculature in vivo and in vitro. We studied the in vivo effects of intra-arteri...

journal_title：Journal of cardiovascular pharmacology

authors： Hughes A,Martin G,Goldberg P,Thom S,Sever P

更新日期：1987-11-01 00:00:00

abstract：:The effects of a newly synthesized antiarrhythmic agent, TYB-3823 on the transmembrane action potential were examined in isolated papillary muscles of guinea pig. TYB-3823 (3 x 10(-6)-3 x 10(-5)M) caused a dose-dependent decrease in the maximum upstroke velocity (Vmax) and a shortening of action potential duration (AP...

journal_title：Journal of cardiovascular pharmacology

authors： Kodama I,Morimoto M,Toyama J,Shibata S

更新日期：1989-04-01 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：:Our previous studies show that activation of the transient receptor potential vanilloid type 1 (TRPV1) channels by a selective agonist, capsaicin (CAP), given unilaterally into the renal pelvis leads to increases in urine flow rate (Uflow) and urinary sodium excretion (UNa) bilaterally, although the mechanisms underly...

journal_title：Journal of cardiovascular pharmacology

authors： Zhu Y,Wang DH

更新日期：2008-05-01 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：:One possible mechanism that accounts for the alterations observed in varicose veins is the activation of endothelial cells by ischemia occurring in the leg veins during blood stasis and the cascade of reactions that follows. Because in vitro data suggest that endothelium alteration is a key event in the development of...

journal_title：Journal of cardiovascular pharmacology

authors： Janssens D,Michiels C,Guillaume G,Cuisinier B,Louagie Y,Remacle J

更新日期：1999-01-01 00:00:00

abstract：:The understanding of blood pressure (BP) and heart rate (HR) variation, circadian changes, and the responses to nonclinical situations has been improved by automated ambulatory recordings. The antihypertensive efficacy of a once-daily regimen (10/20 mg) of nitrendipine was evaluated in detail using the lightest availa...

journal_title：Journal of cardiovascular pharmacology

authors： Meyer-Sabellek W,Schulte KL,Streitberg B,Gotzen R,Distler A

更新日期：1988-01-01 00:00:00

abstract：:We examined a relation between cyclic guanosine monophosphate (cGMP) production in thoracic aorta, as an indicator probably reflecting the vascular response, and the vascular as well as plasma levels of nicorandil administered orally to rats. Nicorandil (3 mg/kg) given orally was rapidly absorbed, reaching the maximal...

journal_title：Journal of cardiovascular pharmacology

authors： Sakai K,Moriyasu M,Kitajima S,Akima M,Kamachi S,Tanikawa M

更新日期：1998-04-01 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 goal of this study was to determine the effects of trimetazidine on all-cause mortality and heart failure hospitalizations in patients with ischemic cardiomyopathy. We performed an extension to 48 months and a post-hoc analysis of the Villa Pini d'Abruzzo trimetazidine trial; in this single-center, open-label, ran...

journal_title：Journal of cardiovascular pharmacology

authors： Di Napoli P,Di Giovanni P,Gaeta MA,Taccardi AA,Barsotti A

更新日期：2007-11-01 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：:Pentoxifylline possesses vasodilator properties, but little information is available on the mechanism of action explaining this vasodilator effect. The present experiments were designed to determine the effects of the compound on vascular smooth muscle, endothelium, and adrenergic nerves in rings of isolated canine bl...

journal_title：Journal of cardiovascular pharmacology

authors： Hoeffner U,Aarhus LL,Katusic ZS,Vanhoutte PM

更新日期：1989-12-01 00:00:00