566 research outputs found
Novel oral anticoagulants: focus on stroke prevention and treatment of venous thrombo-embolism
Anticoagulation for the long-term treatment and prevention of thrombo-embolic diseases as well as for stroke prevention in atrial fibrillation (AF) has been accomplished by vitamin K antagonists for the last half century. Although effective under optimal conditions, the imminent risk of a recurrent event vs. the risk of bleeding due to the narrow therapeutic window, numerous food- and drug interactions, and the need for regular monitoring complicate the long-term use of these drugs and render treatment with these agents complicated. As a result, novel anticoagulants which selectively block key factors in the coagulation cascade are being developed. The efficacy and safety of the direct thrombin inhibitor dabigatran etexilate, as well as of the selective factor Xa inhibitors rivaroxaban and apixaban, have been demonstrated in Phase III trials for stroke prevention in AF and the treatment and secondary prophylaxis of venous thrombo-embolism. This review summarizes the results from recently published pivotal clinical trials and discusses the opportunities as well as uncertainties in the clinical applications of these novel agent
Another look at the age-old question: Which came first, the elevated C-reactive protein or the atherothrombosis?**Editorials published in the Journal of the American College of Cardiologyreflect the views of the authors and do not necessarily represent the views of JACCor the American College of Cardiology.
Featuring: Eugene Braunwald
In the Cardiology Masters section of European Cardiology Review, we bring you an insight into the career of a key contributor to the field of cardiology. In this issue, we feature Professor Eugene Braunwald, cardiovascular medicine specialist at Brigham and Women’s Hospital and distinguished Hersey Professor of Medicine at Harvard University, Boston, Massachusetts, US
ST segment resolution as a tool for assessing the efficacy of reperfusion therapy
AbstractRapid, simple and inexpensive measures are needed to assess the efficacy of reperfusion therapy both in clinical practice and in clinical trials testing novel reperfusion regimens. In the last decade, several observations have led to a favorable reappraisal of the utility of ST segment monitoring as a simple means of assessing reperfusion in patients receiving fibrinolytic therapy for acute ST elevation myocardial infarction, and ST resolution is being used increasingly in clinical practice and in clinical research. This review focuses on four interrelated roles for ST segment monitoring: the assessment of epicardial reperfusion and the identification of candidates for rescue percutaneous coronary intervention; the evaluation of microvascular and tissue-level reperfusion; the determination of prognosis early after fibrinolytic therapy; and the use of ST segment resolution to compare different reperfusion regimens
Treatment of Heart Failure with Sodium-Glucose Cotransporter 2 Inhibitors and Other Anti-diabetic Drugs
Patients with type 2 diabetes are at increased risk of developing heart failure, cardiovascular death and renal failure. The recent results of three large sodium-glucose cotransporter 2 inhibitor cardiovascular outcomes trials have demonstrated a reduction in heart failure hospitalisation and progressive renal failure. One trial also showed a fall in cardiovascular and total death. A broad spectrum of patients with diabetes benefit from these salutary effects in cardiac and renal function and so these trials have important implications for the management of patients with type 2 diabetes. Selected glucagon-like peptide 1 receptor agonists have also been shown to reduce adverse cardiovascular outcomes
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Reduction of Experimental Myocardial Infarct Size by Corticosteroid Administration
The influence of the administration of pharmacologic doses of hydrocortisone on the extent and severity of acute myocardial ischemic injury and on subsequent necrosis after acute coronary occlusion was investigated in 28 dogs. In order to study acute myocardial injury, repeated epicardial electrocardiograms were recorded from 10 to 15 sites on the anterior surface of the left ventricle. Average ST segment elevation (ST) and the number of sites in which ST segment elevation exceeded 2 mV (NST), indices of the magnitude and extent of myocardial injury, respectively, were analyzed at 30 and 60 min after coronary occlusion. In the control group ST and NST did not change significantly in this time interval while in the treated group, which received 50 mg/kg hydrocortisone just after the 30 min recording, ST fell from 3.5+/-0.8 to 1.1+/-0.4 mV (P 2 mV) in the control group showed histologic changes compatible with early myocardial infarction in 96% of specimens, while this occurred only in 61% and 63% of specimens, respectively, in the treated groups, showing that over one third of the sites were protected from undergoing necrosis due to the intervening hydrocortisone treatment. Thus pharmacological doses of hydrocortisone prevent myocardial cells from progressing to ischemic necrosis even when administration is initiated 6 h after coronary occlusion
TIMING AND CLINICAL SETTING OF CARDIOVASCULAR DEATH OR MYOCARDIAL INFARCTION FOLLOWING PCI FOR ACS – OBSERVATIONS FROM THE TRITON-TIMI 38 TRIAL
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