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The objective is to describe and quantify levels of platelet reactivity in three different cohorts of patients taking thienopyridine: patients who report nuisance bleeding, patients who report alarming bleeding, and patients who report no nuisance or alarming bleeding. The investigators hypothesize that patients with nuisance or alarming bleeding events on maintenance thienopyridine therapy will have lower levels of platelet reactivity than patients without nuisance or alarming bleeding on thienopyridine therapy.
Observational Model: Case Control, Time Perspective: Retrospective
Washington Hospital Center
District of Columbia
Medstar Research Institute
Published on BioPortfolio: 2014-08-27T03:12:36-0400
The purpose of this study is to see if there is a racial and/or gender difference in platelet aggregation.
The purpose of the study was to determine the influence of fluvastatin and atorvastatin on platelet aggregation in patients treated with aspirin and plavix after coronary stenting. We hypo...
Nonsteroidal antiinflammatory drugs such as diclofenac or naproxen may interfere with the inhibition of platelet aggregation by aspirin, because they all interact with the platelet cycloox...
The purpose of this study is to determine whether shear-induced platelet aggregation is able to discriminate first acute coronary syndrome (ACS) from recurrent ACS
The purpose of this study is to compare the effects of repeat doses of SB-659032 with placebo on platelet aggregation in subjects.
Increased platelet activation is involved in obstetric complications such as preeclampsia and intrauterine growth retardation. It is of interest to study platelet aggregation during pregnancy, since i...
Platelets play a crucial role in haemostasis and thrombosis and evaluation of platelet function in vitro, in particular platelet aggregation responses, has been one of the most common and useful ways ...
BuyangHuanwu decoction (BHD) is widely used as a traditional herbal medicine because of its antithrombotic effect, which is attributed to the inhibition of platelet aggregation; however, its active co...
The inhibitory effects of taegeuk ginseng extract (TGE) on platelet aggregation and thrombus formation were investigated. The TGE significantly inhibited collagen- and adenosine 5'-diphosphate (ADP)-i...
This prospective observational study was designed to analyze platelet functions across time in 50 patients scheduled for liver transplantation (LT) secondary to decompensated cirrhosis or hepatocellul...
Drugs or agents which antagonize or impair any mechanism leading to blood platelet aggregation, whether during the phases of activation and shape change or following the dense-granule release reaction and stimulation of the prostaglandin-thromboxane system.
Surface glycoproteins on platelets which have a key role in hemostasis and thrombosis such as platelet adhesion and aggregation. Many of these are receptors.
Platelet membrane glycoprotein complex important for platelet adhesion and aggregation. It is an integrin complex containing INTEGRIN ALPHAIIB and INTEGRIN BETA3 which recognizes the arginine-glycine-aspartic acid (RGD) sequence present on several adhesive proteins. As such, it is a receptor for FIBRINOGEN; VON WILLEBRAND FACTOR; FIBRONECTIN; VITRONECTIN; and THROMBOSPONDINS. A deficiency of GPIIb-IIIa results in GLANZMANN THROMBASTHENIA.
A congenital bleeding disorder with prolonged bleeding time, absence of aggregation of platelets in response to most agents, especially ADP, and impaired or absent clot retraction. Platelet membranes are deficient in or have a defect in the glycoprotein IIb-IIIa complex (PLATELET GLYCOPROTEIN GPIIB-IIIA COMPLEX).
A phosphodiesterase inhibitor which inhibits platelet aggregation. Formerly used as an antineoplastic.