نتایج جستجو برای: antiplatelet
تعداد نتایج: 10359 فیلتر نتایج به سال:
Clopidogrel hydrogen sulfate (CHS) is a thienopyridine, which can be used to prevent cardiovascular complications alone or in combination with acetyl salicylic acid as an important antiplatelet agent. Clopidogrel benzene sulfonate (CB) is a special clopidogrel salt that can be used as a conventional drug for antiplatelet effects, but the mechanism is still unknown. This study aimed to compare t...
AIMS It is thought that clopidogrel bioactivation and antiplatelet response are related to cytochrome P450 2C19 (CYP2C19). However, a recent study challenged this notion by proposing CYP2C19 as wholly irrelevant, while identifying paraoxonase-1 (PON1) and its Q192R polymorphism as the major driver of clopidogrel bioactivation and efficacy. The aim of this study was to systematically elucidate t...
There are conflicting reports regarding postoperative bleeding risks associated with discontinuation of antiplatelet therapy at least 7 days preoperatively. Most of the studies in the spine literature are based on surveys or anecdotal evidence. The majority of surgeons discontinue therapy 7 days preoperatively, but this varies widely from 5 to 21 days. The purpose of this retrospective study wa...
INTRODUCTION Coronary thrombosis is a frequent cause of death and myocardial infarction most often explained by superimposition of a platelet-rich thrombus on existing coronary artery disease. Therefore, antiplatelet drugs are essential in the treatment and secondary prevention of acute coronary syndromes (ACS) and during percutaneous coronary intervention. Several novel antiplatelet drugs are ...
We read the article by Shah and Lalwani titled, “What Is the Optimal Perioperative Management of Antiplatelet Therapy?” with interest. Antiplatelet therapy has become more common in recent years, largely due to the expanding use of stents in the coronary circulation, as well as the carotid arteries, intracranial arteries, and peripheral circulation. As a result, otolaryngologists are undertakin...
The substantial reduction in ischemic events provided by the dual antiplatelet regimen with aspirin and clopidogrel is well documented in patients with acute coronary syndrome and patients undergoing percutaneous coronary intervention. Recently the variable response to the antiplatelet agents has received considerable attention after several "boxed warnings" on clopidogrel. This led to intense ...
OBJECTIVE To determine the prevalence of, and patient characteristics associated with, antiplatelet therapy in a cohort of primary care patients with Type 1 or Type 2 diabetes. METHODS Subjects participating in a randomized trial of a decision support system were interviewed at home and medication usage verified by a research assistant. Eligibility for antiplatelet therapy was determined by A...
BACKGROUND guidelines have changed in relation to the indication of antiplatelet therapy for the primary and secondary prevention of stroke. Of interest is how the proportion of patients who had or had not taken antiplatelet agents prior to an incident stroke has changed over time, whether the type of antiplatelet agents used has altered and whether prior antiplatelet use is associated with a p...
BACKGROUND AND PURPOSE Antiplatelet therapy nonresponse is associated with worse clinical outcomes. We studied the clinical outcomes associated with platelet function-guided modifications in antiplatelet therapy in patients with ischemic stroke or transient ischemic attack. METHODS From January 2005 to August 2007, 324 patients with ischemic stroke underwent platelet function testing using pl...
platelet aggregation inhibitory effect and anticoagulant properties of fractions separated from the venoms of cerastes persicus fieldi and echis carinatus were investigated. the partial fractionation was performed on a sephadex g-100 column. two fractions separated from cerastes persicus fieldi showed anti platelet aggregation activity on adp (200 µm)-induced platelet aggregation (ca 80% inhibi...
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