نتایج جستجو برای: dipyridamole

تعداد نتایج: 2097  

Journal: :Indian journal of medical sciences 2009
Rajesh Jacob

In our case, dipyridamole-induced ischemia is an unlikely cause. This may suggest the depressive action of dipyridamole through adenosine on the conducting system. We feel that dipyridamole is the probable cause of asystole in this individual, based on a score of 5 on Naranjo’s algorithm, and betablocking agents may have contributed to this.[6] In patients with underlying conduction abnormaliti...

Journal: :Physiological research 2004
A Wykretowicz A Filipiak A Szczepanik H Wysocki

Polymorphonuclear neutrophils (PMN) are thought to play a role in reperfusion injury and ischemia. These effects are partly mediated by toxic oxygen species (superoxide anion, hydrogen peroxide and hydroxyl radical) acting at the level of the endothelium. It was demonstrated recently that the superoxide anion reacts with nitric oxide (NO) and that interaction leads to the generation of highly t...

Journal: :International journal of clinical practice 2002
D M Humphreys J Street H Schumacher J M Bertrand-Hardy R Palluk

It is thought that up to 50% of patients with cerebrovascular disease will have concurrent ischaemic heart disease. Dipyridamole co-formulated with aspirin has been shown to increase the relative reduction in risk of second stroke in patients with prior stroke/transient ischaemic attack beyond that obtaining with aspirin alone. We have sought to resolve the question of whether dipyridamole trea...

Journal: :Thrombosis research 1992
J P De la Cruz P J García F Sánchez de la Cuesta

Pyrogallol (a generator of superoxide anions) caused 50% increase in platelet aggregation induced by 400 microM of arachidonic acid. Dipyridamole did not produce a statistically significant inhibition of arachidonic-acid induced platelet aggregation, but it caused 100% inhibition of pyrogallol-stimulated platelet aggregation. Ferrous salts (Fe2+) induced 34% platelet aggregation which was inhib...

Journal: :Stroke 2003
E L L M De Schryver A Algra J van Gijn

BACKGROUND Patients enrolled in clinical trials after nondisabling cerebral ischemia have an annual risk of vascular events (death from all vascular causes, nonfatal stroke, or nonfatal myocardial infarction) of 4% to 11%. Aspirin reduces the incidence by 13%. Many trials in patients presenting with vascular disease investigated the efficacy of (addition of) dipyridamole in secondary prevention...

Journal: :British heart journal 1994
E B Kumar S A Steel S Howey J L Caplin C P Aber

OBJECTIVE To assess the value of dobutamine over dipyridamole as a pharmacological stressing agent in myocardial perfusion imaging with thallium-201. DESIGN Stress and redistribution tomographic images were taken in a group of patients in a randomised crossover study of both agents. The scans were scored to give a value for the stress and redistribution images and a reversibility score (redis...

Journal: :Hypertension 1990
E Picano A R Lucarini F Lattanzi C Marini A Distante A Salvetti A L'Abbate

In asymptomatic patients with essential hypertension, electrocardiographic changes suggestive of myocardial ischemia can be elicited by rapid pressure lowering or by pronounced coronary arteriolar dilation. The aim of this study was to assess whether dipyridamole infusion might induce ischemic-like electrocardiographic changes in asymptomatic essential hypertensive patients and to describe the ...

Journal: :Circulation 1983
T H Hintze S F Vatner

The effects of 0.25 mg/kg dipyridamole on left ventricular (LV) pressures, LV dP/dt, heart rate, aortic pressures, left circumflex coronary blood flow, and left circumflex coronary arterial diameters and on calculations of late diastolic coronary resistance and large coronary cross-sectional area were studied in 15 conscious dogs. Injection of dipyridamole, a drug that has a mechanism of action...

2013
Sujethra Vasu W Patricia Bandettini Li-Yueh Hsu Peter Kellman Steve Leung Christine Mancini Sujata M Shanbhag Joel Wilson Oscar Julian Booker Andrew E Arai

BACKGROUND Regadenoson, dipyridamole and adenosine are commonly used vasodilators in myocardial perfusion imaging for the detection of obstructive coronary artery disease. There are few comparative studies of the vasodilator properties of regadenoson, adenosine and dipyridamole in humans. The specific aim of this study was to determine the relative potency of these three vasodilators by quantif...

Journal: :Medicinskij alfavit 2022

Aim. The objective of our work was to analyze the pharmacological correction fetal growth retardation syndrome by monotherapy with diosmin and dipyridamole, compare their effectiveness. Materials methods. A retrospective prospective examination 160 pregnant women a single pregnancy at gestational age 28 36 weeks confirmed diagnosis 1 or 2 degrees an asymmetric form carried out. An extended coll...

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