Effects of OPC-8212, a new positive inotropic agent, and dobutamine on left ventricular global and ischemic regional functions and coronary hemodynamics under coronary artery stenosis.

Abstract:

:We have investigated the effects of OPC-8212, a new positive inotropic agent, and dobutamine, a known cardioselective inotropic agent, on global left ventricular (LV) and ischemic regional functions in 14 excised canine hearts with a flow-limiting stenosis of the left circumflex coronary artery (LCX) (i.e., 20-25% of control flow). OPC-8212 infusion (n = 7) under LCX stenosis improved cardiac depression [i.e., peak LV dP/dt increased from 1,295 +/- 143 mm Hg/s to 2,669 +/- 266 mm Hg/s (mean +/- SEM) (p less than 0.001)], while myocardial ischemic injury, assessed by myocardial CO2-tension and electrocardiogram (ECG)-ST changes, improved (i.e., delta CO2-tension and ECG-ST deviation decreased from 21.1 +/- 3.6 mm Hg and 3.8 +/- 0.6 mV to 13.3 +/- 2.8 mm Hg (p less than 0.01) and 2.0 +/- 0.7 mV (p less than 0.05), respectively). On the other hand, dobutamine infusion (n = 7) further increased myocardial CO2-tension and ECG-ST deviation [i.e., delta CO2-tension and ECG-ST deviation increased from 14.4 +/- 4.2 mm Hg and 2.5 +/- 1.2 mV to 29.0 +/- 6.0 mm Hg (p less than 0.01) and 4.9 +/- 1.0 mV (p less than 0.01), respectively]. At the same time, peak LV dP/dt clearly improved, but to a lesser degree; from 1,425 +/- 153 mm Hg/s to 2,393 +/- 245 mm Hg/s (p less than 0.001). There was also an increase in percent systolic segment shortening of each corresponding area as with OPC-8212.(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

J Cardiovasc Pharmacol

authors

Maruyama Y,Nishioka O,Watanabe J,Keitoku M,Satoh S,Isoyama S,Ashikawa K,Ino-Oka E,Takishima T

doi

10.1097/00005344-198601000-00024

subject

Has Abstract

pub_date

1986-01-01 00:00:00

pages

161-9

issue

1

eissn

0160-2446

issn

1533-4023

journal_volume

8

pub_type

杂志文章
  • Coronary vascular hemodynamic and permeability changes during reperfusion after no-flow ischemia in isolated, diltiazem-treated rabbit hearts.

    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

    pub_type: 杂志文章

    doi:10.1097/00005344-198505000-00003

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

    更新日期:1985-05-01 00:00:00

  • Rate-dependent class III antiarrhythmic action, negative chronotropy, and positive inotropy of a novel Ik blocking drug, UK-68,798: potent in guinea pig but no effect in rat myocardium.

    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

    pub_type: 杂志文章

    doi:10.1097/00005344-199009000-00008

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

    更新日期:1990-09-01 00:00:00

  • Endothelin ETA receptor blockade with darusentan increases sodium and potassium excretion in aging rats.

    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

    pub_type: 杂志文章

    doi:10.1097/01.fjc.0000211709.10735.32

    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

  • Electrophysiologic effects of a class I antiarrhythmic agent, cibenzoline, on the refractoriness and conduction of the human atrium in vivo.

    abstract::We investigated the effects of a class I antiarrhythmic drug, cibenzoline, on human atrial muscle in vivo. Electrophysiologic measurements were performed in 44 patients (mean age 49 +/- 15 years), before and after an intravenous infusion of cibenzoline 1.4 mg/kg in 5 min. Extrastimuli at a basic cycle length (BCL) of ...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 临床试验,杂志文章

    doi:10.1097/00005344-199608000-00020

    authors: Esato M,Shimizu A,Chun YH,Tatsuno H,Yamagata T,Matsuzaki M

    更新日期:1996-08-01 00:00:00

  • Prostaglandin E1 and nitroglycerin effects on canine epicardial conductance and distal coronary resistance vessels.

    abstract::Prostaglandin E1 (PGE1) has been reported to be a coronary vasodilator and has been considered clinically in the treatment of coronary vasospasm, but its mechanism of action is not known. To evaluate the vasomotor effect of PGE1, epicardial coronary and distal resistance vessel responses were compared by PGE1 and nitr...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198908000-00012

    authors: Miller WL,Bove AA

    更新日期:1989-08-01 00:00:00

  • Combined therapy with benazepril and amlodipine in the treatment of hypertension inadequately controlled by an ACE inhibitor alone.

    abstract::In a multicenter, randomized, double-blind, placebo-controlled study, we evaluated the efficacy and tolerability of the combination of benazepril, 10 mg, and amlodipine, 2.5 or 5 mg once daily, compared with benazepril, 10 mg, monotherapy in patients with hypertension inadequately controlled with angiotensin-convertin...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 临床试验,杂志文章,多中心研究,随机对照试验

    doi:10.1097/00005344-199710000-00014

    authors: Fogari R,Corea L,Cardoni O,Cosmi F,Porcellati C,Innocenti P,Provvidenza M,Timio M,Bentivoglio M,Bertocchi F,Zoppi A

    更新日期:1997-10-01 00:00:00

  • Resveratrol Ameliorates Pressure Overload-induced Cardiac Dysfunction and Attenuates Autophagy in Rats.

    abstract::Pressure overload has an important role in heart failure, inducing excessive autophagy in cardiac myocytes that is considered to be pathogenic. Resveratrol has been reported to improve cardiac dysfunction induced by pressure overload, but it has been unclear whether resveratrol ameliorates cardiac dysfunction by regul...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/FJC.0000000000000290

    authors: Wang L,Gao M,Chen J,Yang Z,Sun J,Wang Z,Huang X,Yuan T,Shen X,Xian S

    更新日期:2015-10-01 00:00:00

  • Bremazocine causes sympatho-inhibition and hypotension in rabbits by activating peripheral kappa-receptors.

    abstract::We have studied the effects of bremazocine on the peripheral sympathetic nervous system and the arterial blood pressure of pithed rabbits with electrically (2 Hz) stimulated sympathetic outflow, and compared them with the effects of Leu-enkephalin and fentanyl. The 3H-noradrenaline plasma clearance and the plasma conc...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198605000-00005

    authors: Ensinger H,Hedler L,Szabo B,Starke K

    更新日期:1986-05-01 00:00:00

  • Continuous inhibition of platelet S2-serotonergic receptors during chronic administration of ketanserin in humans.

    abstract::Platelet aggregation induced by serotonin in plasma obtained from 9 volunteers was inhibited at 90 min and 15 h after the oral administration of ketanserin, either acutely or after one week of chronic administration. At 7 days after the last dose, a transient overreaction to serotonin occurred. Platelet reactions to e...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198500077-00007

    authors: De Clerck F,Xhonneux B

    更新日期:1985-01-01 00:00:00

  • Enhanced endothelin-converting enzyme immunoreactivity in early atherosclerosis.

    abstract::Endothelin-1 (ET-1) is a 21-amino-acid local and circulating factor whose plasma concentrations are increased in advanced atherosclerosis. ET-1 is cleaved from a prohormone (big ET-1) by endothelin-converting enzymes (ECEs) into the biologically active mature form which mediates vasoconstriction and cell proliferation...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-199800001-00009

    authors: Grantham JA,Schirger JA,Williamson EE,Heublein DM,Wennberg PW,Kirchengast M,Muenter K,Subkowski T,Burnett JC Jr

    更新日期:1998-01-01 00:00:00

  • Transient Receptor Potential Canonical Channel Blockers Improve Ventricular Contractile Functions After Ischemia/Reperfusion in a Langendorff-perfused Mouse Heart Model.

    abstract::Reperfusion of ischemic myocardium is accompanied by intracellular Ca overload, leading to cardiac dysfunction. However, the mechanisms underlying intracellular Ca overload have yet to be fully elucidated. The mechanism may involve the activation of store-operated Ca entry, which is primarily mediated through the tran...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/FJC.0000000000000566

    authors: Kojima A,Fukushima Y,Ito Y,Ding WG,Kitagawa H,Matsuura H

    更新日期:2018-04-01 00:00:00

  • Phosphodiesterases in the rat renal vasculature.

    abstract::The objective this investigation was to determine the relative importance of type I, III, and IV phosphodiesterases in the regulation of cyclic adenosine monophosphate (cAMP) in the renal circulation. In the first experimental series, four groups of isolated rat kidneys perfused with Tyrode's solution were stimulated ...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-199712000-00015

    authors: Jackson EK,Mi Z,Carcillo JA,Gillespie DG,Dubey RK

    更新日期:1997-12-01 00:00:00

  • Carbachol inhibits atrial contractility in the presence of potassium channel blocking agents.

    abstract::To elucidate the role of potassium channel activation in muscarinic inhibition of atrial contractility, we studied the influence of K+ channel blockers on the effects of the muscarinic agonist carbachol in isolated guinea pig auricles. We tested BaCl2, tetraethylammoniumchloride (TEA), and 9-aminotetrahydroacridine (T...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198910000-00018

    authors: Groschner K,Kukovetz WR

    更新日期:1989-10-01 00:00:00

  • Ferulic acid improves cardiovascular and kidney structure and function in hypertensive rats.

    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

    pub_type: 杂志文章

    doi:10.1097/FJC.0b013e31827cb600

    authors: Alam MA,Sernia C,Brown L

    更新日期:2013-03-01 00:00:00

  • Characterization of endothelin receptors in isolated, perfused human spleen.

    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

    pub_type: 杂志文章

    doi:10.1097/00005344-199800001-00159

    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

  • W1, a Novel Oral Antiplatelet Agent With Less Resistance Than Clopidogrel.

    abstract::Clopidogrel (CLO) is a clinical antiplatelet agent, about which there are major concerns because its antiplatelet efficiency decreases with insufficient metabolic activation, leading to "clopidogrel resistance." We aimed to determine the antiplatelet effects of W1, a novel molecule composed of 2-O-clopidogrel and aspi...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/FJC.0000000000000449

    authors: Ge P,Du L,Han C,Li H,Feng Y,Han J,Wang Z,Xiong L,Yuan M,Liu Y

    更新日期:2017-02-01 00:00:00

  • Bovine milk-derived lactoferrin exerts proangiogenic effects in an Src-Akt-eNOS-dependent manner in response to ischemia.

    abstract::Lactoferrin (LF) exerts a variety of biological effects, including the promotion of angiogenesis by increasing the expression of angiogenesis-related genes and reducing blood pressure via a nitric oxide-dependent mechanism. In this study, we investigated the effects of LF on angiogenesis using C57BL/6J mice that recei...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/FJC.0b013e318287d526

    authors: Ikeda Y,Tajima S,Izawa-Ishizawa Y,Kihira Y,Ishizawa K,Yoshida S,Aihara K,Tsuchiya K,Tamaki T

    更新日期:2013-05-01 00:00:00

  • Role of the endothelium and cyclic GMP in renal vasodilator responses to cryptolepine in rats.

    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

    pub_type: 杂志文章

    doi:10.1097/00005344-199404000-00012

    authors: Oyekan AO

    更新日期:1994-04-01 00:00:00

  • Vasopeptidase inhibition with omapatrilat improves cardiac geometry and survival in cardiomyopathic hamsters more than does ACE inhibition with captopril.

    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

    pub_type: 杂志文章

    doi:10.1097/00005344-199912000-00003

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

    更新日期:1999-12-01 00:00:00

  • The effect of desipramine on ischemia-induced changes in extracellular K+, Na+, and H+ concentrations and noradrenaline release in the isolated rat heart during global ischemia.

    abstract::Isolated Langendorff-perfused rat hearts set up to allow measurement of mechanical myocardial function (according to Bardenheuer and Schrader) were subjected to 60 min of global ischemia (gI). The hearts were perfused with a modified Krebs-Henseleit solution (KHS; control group) or KHS with desipramine (DMI group) 100...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198806121-00003

    authors: Knopf H,Theising R,Hirche H

    更新日期:1988-01-01 00:00:00

  • The development and regression of vascular hypertrophy.

    abstract::Genetic hypertension [essential hypertension (EH) in humans and spontaneous hypertension in rats (SHRs)] is associated with an altered vascular structure, expressed in resistance vessels (small arteries) as an increased media:lumen ratio. The vascular smooth muscle cells appear normal and there is no cellular hypertro...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章,评审

    doi:10.1097/00005344-199219002-00006

    authors: Mulvany MJ

    更新日期:1992-01-01 00:00:00

  • A comparison of plasma, white blood cell, red blood cell, and tissue distribution of amiodarone and desethylamiodarone in anesthetized dogs.

    abstract::Desethylamiodarone (DA) is a major metabolite of amiodarone (AM), a Class III antiarrhythmic drug. The plasma pharmacokinetics and tissue distribution of AM and DA (10 mg/kg i.v.) were compared in anesthetized dogs. Plasma, white blood cell (WBC), red blood cell (RBC), liver, and skeletal muscle samples were obtained ...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198710000-00002

    authors: Bandyopadhyay S,Somani P

    更新日期:1987-10-01 00:00:00

  • Intracellular calcium regulation, with special attention to the role of the plasma membrane calcium pump.

    abstract::Calcium is a signaling element of general importance to cells. In muscle, its key function is the activation of troponin C, which is essential for the contraction of myofibrils in skeletal and heart muscles, and of myosin light chain kinase, which is essential for the contraction of smooth muscles. Calcium modulates t...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章,评审

    doi:

    authors: Carafoli E

    更新日期:1988-01-01 00:00:00

  • Signal transduction of ET-1 in contraction of cerebral arteries.

    abstract::The signaling pathways of endothelin-1-induced contraction, including the role of protein tyrosine kinase (PTK), mitogen-activated protein kinase (MAPK), protein kinase C (PKC) and RhoA/Rho-kinase were studied using rabbit basilar arteries by isometric tension and Western blot. The following results were observed: (1)...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/01.fjc.0000166221.73217.f7

    authors: Zubkov A,Miao L,Zhang J

    更新日期:2004-11-01 00:00:00

  • Effects of the potassium channel activator, cromakalim, on arterial and cardiac responses to norepinephrine, angiotensin II, and isoproterenol in normotensive men.

    abstract::Cromakalim relaxes vascular smooth muscle by increasing potassium channel conductance, thus hyperpolarizing cell membranes. Its interactions in humans with the cardiovascular effects of norepinephrine, angiotensin II, and isoproterenol were investigated. Eight young normotensive male volunteers received on three diffe...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 临床试验,杂志文章

    doi:10.1097/00005344-199112000-00003

    authors: von Nguyen P,Holliwell DL,Davis A,Tasker TC,Leenen FH

    更新日期:1991-12-01 00:00:00

  • Cardiac Na+ channel activation as a positive inotropic principle.

    abstract::This article reviews the relation of cardiac cellular Na+ load and increased force of contraction. Digitalis glycosides and naturally occurring Na+ channel activators are considered. DPI201-106 was described as the first synthetic organic molecule with cardioselective Na+ channel-activating properties and investigated...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章,评审

    doi:10.1097/00005344-198914003-00006

    authors: Scholtysik G

    更新日期:1989-01-01 00:00:00

  • The angiotensin receptor blocker, azilsartan medoxomil (TAK-491), suppresses vascular wall expression of plasminogen activator inhibitor type-I protein potentially facilitating the stabilization of atherosclerotic plaques.

    abstract::Increased expression of plasminogen activator inhibitor type-I (PAI-1) in vessel walls seems to accelerate atherosclerosis. Angiotensin II can increase the synthesis of PAI-1. Inhibition of this process may facilitate migration of vascular smooth muscle cells (VSMCs) stabilizing atherosclerotic plaques. To determine w...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/FJC.0b013e31821dcbea

    authors: French CJ,Zaman AK,Sobel BE

    更新日期:2011-08-01 00:00:00

  • The microvascular cell and ischemia-reperfusion injury.

    abstract::The vascular endothelium has a number of functions that may mediate many of the ischemia-reperfusion (IR) phenomena. The gatekeeper function is disturbed and increased capillary permeability results in edema and organ dysfunction. Vasomotor function is altered, with impairment of relaxation and augmentation of constri...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章,评审

    doi:10.1097/00005344-199600001-00007

    authors: Verrier E

    更新日期:1996-01-01 00:00:00

  • Diuretics, sodium intake, and renin in the management of hypertension.

    abstract::Twenty-four-hour urinary sodium excretion and plasma renin activity were monitored in 36 patients receiving bendrofluazide as sole antihypertensive therapy. There was no increase in urinary sodium output compared with pretreatment values during a 2-year period, and there is therefore no evidence that an increase in sa...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:10.1097/00005344-198400061-00039

    authors: Swales JD,Bing RF,Swart S,Thurston H

    更新日期:1984-01-01 00:00:00

  • Effect of albumin on the electrophysiologic stability of isolated perfused rabbit hearts.

    abstract::The electrophysiologic stability of isolated perfused rabbit hearts was evaluated over a period of 5 h. Hearts perfused with protein-free buffer deteriorated over time, with significant shortening of the ventricular effective refractory period (ERP) and development of ventricular fibrillation. When serum albumin (6.01...

    journal_title:Journal of cardiovascular pharmacology

    pub_type: 杂志文章

    doi:

    authors: Kates RE,Yee YG,Hill I

    更新日期:1989-01-01 00:00:00