Abstract：
:Hypertension, atherosclerosis, arteriosclerosis, and cardiomyopathy account for 80% of all diabetic deaths. A paucity of data exists concerning reactivity of the diabetic vasculature to vasopressor substances. The purpose of this investigation was to determine the influence of short-term (4-5 weeks) diabetes on the responsiveness of the cardiovascular system to vasopressor substances in the intact conscious rat. Diabetes was chemically induced with streptozotocin (65 mg/kg i.v.) in 42-43-days-old, nonfasted, male Sprague-Dawley--derived rats. Direct blood pressure and heart rate were recorded, and responses to the vasopressor agonists norepinephrine and angiotensin II were obtained. Short-term diabetic rats were hypotensive and had lower heart rates when compared with control rats. Blood pressure responses to norepinephrine and angiotensin II were depressed in the short-term diabetic rat; however, the baroreceptor reflexes in these rats were more sensitive to increases in blood pressure. Therefore, it appears that there is some type of nonspecific alteration in the responsiveness of the cardiovascular system to the vasopressor agonists in the short-term diabetic rat.
journal_name
J Cardiovasc Pharmacoljournal_title
Journal of cardiovascular pharmacologyauthors
Jackson CV,Carrier GOdoi
10.1097/00005344-198303000-00016subject
Has Abstractpub_date
1983-03-01 00:00:00pages
260-5issue
2eissn
0160-2446issn
1533-4023journal_volume
5pub_type
杂志文章abstract：BACKGROUND:Dopamine is an inotrope effective in the short term treatment of acute heart failure - including that caused by coronary artery disease. Catecholamines however can potentiate platelet activation and pre-dispose to coronary thrombosis. AIMS:Dopamine was studied for effect on agonist induced human platelet Ca...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/FJC.0b013e31819c74f4
更新日期：2009-03-01 00:00:00
abstract：:In this report, alterations between the electrical and mechanical responses of isolated neonatal and adult canine ventricular muscle preparations before and after ouabain exposure are described. No significant differences were observed between the two age groups in the concentration-dependent effects of ouabain on inc...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-198911000-00002
更新日期：1989-11-01 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
pub_type： 杂志文章
doi：10.1097/00005344-199002000-00011
更新日期：1990-02-01 00:00:00
abstract：:Intravenous (i.v.) administration of bromocriptine (150 micrograms/kg) in conscious normotensive rats with chronic spinal cord transection (at T5-T7), pretreated or not with i.v. propranolol (0.5 mg/kg), induced significant decreases in mean arterial blood pressure (MAP) which were greater and longer lasting than thos...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：
更新日期：1992-05-01 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
pub_type： 杂志文章
doi：10.1097/00005344-199912000-00003
更新日期：1999-12-01 00:00:00
abstract：:The dynamic regulation of the adrenergic system plays an important role in the adaptation of the cardiovascular system in health and in disease. In myocardial infarction, large quantities of catecholamines are presynaptically released. The mechanisms of adaptive regulation of the beta-adrenergic receptors to beta-agon...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1988-01-01 00:00:00
abstract：:The acute systemic and regional hemodynamic responses to a single oral dose (4 mg) of the angiotensin converting enzyme inhibitor perindopril were investigated in 10 patients with severe congestive heart failure. Perindopril produced significant and long-lasting decreases in systemic vascular resistance (-18%), right ...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-199004000-00002
更新日期：1990-04-01 00:00:00
abstract：:To elucidate the pathophysiologic significance of endothelin-1 (ET-1) in adrenal and the mechanism for reduced responsiveness to exogenous ET-1 in aldosterone-producing adenoma (APA), we have investigated ET-1 receptors by radioligand binding assay (RBA) in human normal adrenal (NA), APA, idiopathic hyperaldosteronism...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-199800001-00059
更新日期：1998-01-01 00:00:00
abstract：:A great number of calcium antagonists are available for the treatment of cardiovascular diseases. Differences in pharmacodynamic and/or pharmacokinetic properties can be used to optimize therapy in patients and to minimize side effects. In contrast to all dihydropyridine (DHP) derivatives, drugs of the verapamil type ...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1994-01-01 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
pub_type： 杂志文章
doi：10.1097/00005344-199806000-00019
更新日期：1998-06-01 00:00:00
abstract：:Therapeutic response to angiotensin-converting enzyme (ACE) inhibitors was reported to be better related to tissular than to circulating levels of ACE inhibition, especially during chronic therapy. We studied the relations between plasma concentrations of angiotensin I (AI), plasma renin activity (PRA), angiotensin II...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-199607000-00003
更新日期：1996-07-01 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
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1097/00005344-200302000-00018
更新日期：2003-02-01 00:00:00
abstract：:As cyclic 3',5'-guanosine monophosphate (cGMP) is still discussed as a possible mediator of the negative inotropic effects of cholinergic agents, the influence of acetylcholine (ACh) on force of contraction and cGMP tissue levels was studied in isolated, electrically driven guinea pig auricles in the presence of methy...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-198611000-00009
更新日期：1986-11-01 00:00:00
abstract：:In an initial double-blind randomized study with three parallel groups, 48 patients, mean age 49.6 years (32-65 years), with hypertension WHO I-II, were given bisoprolol in doses of 5, 10, and 20 mg. Bisoprolol is a new beta 1-selective beta-blocking agent with a plasma half-life of 10-12 h and without intrinsic sympa...
journal_title：Journal of cardiovascular pharmacology
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1097/00005344-198511001-00020
更新日期：1986-01-01 00:00:00
abstract：:CGS 26303 has previously been shown to inhibit human endothelin converting enzyme-1 (ECE-1) with an IC50 of 410 nM and to be efficacious in several animal disease models. However, it is a more potent inhibitor of neutral endopeptidase 24.11 (NEP) with an IC50 of 1 nM. The aim of this study was to optimize CGS 26303 fo...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-200036051-00014
更新日期：2000-11-01 00:00:00
abstract：:We undertook a systematic comparison of the effects of diltiazem and nifedipine and a nonspecific vasodilator, sodium nitroprusside, on renal perfusion, function, and activation of potentially relevant neurohormonal systems in the anesthetized dog. These agents were employed to reduce blood pressure to two levels, a m...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-198601000-00006
更新日期：1986-01-01 00:00:00
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：
更新日期：1989-01-01 00:00:00
abstract：:Experiments were designed to characterize cardiac alpha-adrenoceptors and the alpha-adrenoceptor-mediated positive inotropic effects in human myocardial tissue from patients with moderate New York Heart Association (NYHA) class II-III and severe (NYHA class IV) heart failure. The number of cardiac alpha-adrenoceptors ...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-198809000-00015
更新日期：1988-09-01 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
pub_type： 杂志文章
doi：10.1097/00005344-198711000-00005
更新日期：1987-11-01 00:00:00
abstract：:Protein kinase C (PKC) isoforms improve endothelial nitric oxide synthase activity and contractile Ca sensitivity in blood vessels. These actions may have opposite effects on propofol-induced vasodilation. This study examines the hypothesis that propofol induces relaxation by enhancing the PKC-mediated nitric oxide sy...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/FJC.0000000000000275
更新日期：2015-09-01 00:00:00
abstract：:A sodium/calcium exchange mechanism that mediates both Ca2+ exit and Ca2+ entry is present in the sarcolemma of most types of muscle including mammalian cardiac muscle and vascular smooth muscle (VSM). The rate and direction of Ca2+ transport mediated by the exchanger are normally regulated primarily by: (a) the intra...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1988-01-01 00:00:00
abstract：:Endothelin (ET) may play an important role in the pathogenesis of vasoconstriction and acute renal failure after aortic cross-clamping (ACC). However, the relative contribution of the ET(A) and ET(B) receptors to the physiopathology of ischemic acute renal failure is poorly understood. This study was carried out to ev...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-199908000-00004
更新日期：1999-08-01 00:00:00
abstract：:In response to acetylcholine, endothelial cells were shown to release a nonprostanoid factor, called endothelium-derived relaxing factor (EDRF), which caused relaxation of vascular smooth muscle. Since this discovery in 1980, many additional agents have been shown to stimulate release of EDRF from endothelium. Biologi...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1993-01-01 00:00:00
abstract：:During recent years, small conductance Ca-activated K (SK) channels have been reported to play a role in cardiac electrophysiology. SK channels seem to be expressed in atria and ventricles, but from a functional perspective, atrial activity is predominant. A general notion seems to be that cardiac SK channels are pred...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/FJC.0000000000000278
更新日期：2015-09-01 00:00:00
abstract：ABSTRACT:Limited data are available on the transition from subcutaneous to intravenous prostacyclin in precapillary pulmonary hypertension. We performed a retrospective analysis of all patients who were switched from subcutaneous to intravenous treprostinil with an implantable infusion pump. We included 85 consecutive,...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/FJC.0000000000000933
更新日期：2021-01-01 00:00:00
abstract：:Hyperinsulinemia, lipid abnormalities, and impaired fibrinolytic capacity may accompany hypertension, and comprise the metabolic cardiovascular syndrome. They are all independent risk factors for coronary artery disease. Lifestyle modifications can reduce the coronary artery risk. Physical activity has been shown to i...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1992-01-01 00:00:00
abstract：:Several recent studies demonstrate that T lymphocytes and monocytes enter the vessel wall during pathologic conditions and accumulate both in atherosclerotic and arteritic lesions. This brief review summarizes our phenotypic analysis of such T lymphocytes. Effects of T lymphocytes and their secretory products (lymphok...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章,评审
doi：
更新日期：1989-01-01 00:00:00
abstract：:The influence of the nonpeptide angiotensin antagonist losartan on andrenergic/purinergic cotransmission in pithed rat preparation before and after treatment with prazosin (alpha 1-antagonist), rauwolscine (alpha 2-antagonist), and/or the P2x desensitizing agent alpha, beta-methylene ATP (mATP) was examined. Stimulati...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-199505000-00006
更新日期：1995-05-01 00:00:00
abstract：:The pharmacokinetics and dose proportionality of trandolapril, a new angiotensin-converting enzyme (ACE) inhibitor, were investigated in 12 healthy male volunteers in a four-way randomized crossover study over the therapeutic dose range, 0.5-4 mg. Trandolapril is rapidly absorbed, with a single elimination half-life (...
journal_title：Journal of cardiovascular pharmacology
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1994-01-01 00:00:00
abstract：:A discussion of important aspects of the effects of prostaglandins on arteries must include (a) the nature of the receptors for the different humoral agents, (b) the potential modulatory role that endogenously produced prostaglandins may play when other vasoactive hormones are present, and (c) the potential for cell-t...
journal_title：Journal of cardiovascular pharmacology
pub_type： 杂志文章
doi：10.1097/00005344-198406002-00016
更新日期：1984-01-01 00:00:00
