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Elevated levels of serum inflammatory markers such as high-sensitivity C-reactive protein (hs-CRP) represent independent risk factors for further cardiovascular events. In an atherosclerosis model, selective heart rate (HR) reduction with ivabradine has been shown to decrease markers of vascular oxidative stress, to improve endothelial function, and to reduce atherosclerotic plaque formation. We hypothesized that the addition of ivabradine to standard medical therapy has a beneficial effect on markers of inflammatory stress in acute coronary syndromes (ACS) patients. RIVIERA is a unicenter, randomized, double-blind, placebo-controlled trial involving 1,270 patients of either gender admitted to hospital with non ST elevation ACS. The primary study aim is to evaluate the effects of ivabradine therapy, initiated at the time of hospital admission, on hs-CRP levels. There is also a combined secondary endpoint i.e. to assess the effects of ivabradine on the occurrence of death, nonfatal myocardial infarction, recurrent symptomatic ischemia, urgent revascularization, and cardiac arrest at 30-days and 1-year follow up. We hypothesize that ivabradine therapy, when started immediately after hospital admission for ACS, will result in the reduction of hs-CRP levels and the improvement of cardiovascular outcome.

Purpose Elevated levels of serum inflammatory markers such as high-sensitivity C-reactive protein (hs-CRP) represent independent risk factors for further cardiovascular events. In an atherosclerosis model, selective heart rate (HR) reduction with ivabradine has been shown to decrease markers of vascular oxidative stress, to improve endothelial function, and to reduce atherosclerotic plaque formation. We hypothesized that the addition of ivabradine to standard medical therapy has a beneficial effect on markers of inflammatory stress in acute coronary syndromes (ACS) patients. Methods RIVIERA is a unicenter, randomized, double-blind, placebo-controlled trial involving 1,270 patients of either gender admitted to hospital with non ST elevation ACS. The primary study aim is to evaluate the effects of ivabradine therapy, initiated at the time of hospital admission, on hs-CRP levels. There is also a combined secondary endpoint i.e. to assess the effects of ivabradine on the occurrence of death, nonfatal myocardial infarction, recurrent symptomatic ischemia, urgent revascularization, and cardiac arrest at 30-days and 1-year follow up. Conclusion We hypothesize that ivabradine therapy, when started immediately after hospital admission for ACS, will result in the reduction of hs-CRP levels and the improvement of cardiovascular outcome.

Purpose: Elevated levels of serum inflammatory markers such as high-sensitivity C-reactive protein (hs-CRP) represent independent risk factors for further cardiovascular events. In an atherosclerosis model, selective heart rate (HR) reduction with ivabradine has been shown to decrease markers of vascular oxidative stress, to improve endothelial function, and to reduce atherosclerotic plaque formation. We hypothesized that the addition of ivabradine to standard medical therapy has a beneficial effect on markers of inflammatory stress in acute coronary syndromes (ACS) patients. Methods: RIVIERA is a unicenter, randomized, double-blind, placebo-controlled trial involving 1,270 patients of either gender admitted to hospital with non ST elevation ACS. The primary study aim is to evaluate the effects of ivabradine therapy, initiated at the time of hospital admission, on hs-CRP levels. There is also a combined secondary endpoint i.e. to assess the effects of ivabradine on the occurrence of death, nonfatal myocardial infarction, recurrent symptomatic ischemia, urgent revascularization, and cardiac arrest at 30-days and 1-year follow up. Conclusion: We hypothesize that ivabradine therapy, when started immediately after hospital admission for ACS, will result in the reduction of hs-CRP levels and the improvement of cardiovascular outcome.

Background Percutaneous coronary intervention with placement of a drug-eluting stent in a diabetic patient with ST-elevation myocardial infarction is a relatively common procedure, and always requires subsequent treatment with dual antiplatelet therapy. It is sometimes necessary to add oral anticoagulation therapy because of individual clinical circumstances, which further increases the risk of bleeding. Case presentation A 66-year-old hypertensive diabetic man with a history of gastrointestinal bleeding was admitted with an ST-elevation inferior myocardial infarction that had been evolving over 72 h. Electrocardiography showed ST segment elevation in the inferior leads and Q waves in the inferior and anterior leads. He reported a similar episode of chest pain 1 month previously, for which he had not sought medical treatment. Coronary angiography showed chronic occlusion of the mid-left anterior descending coronary artery, and acute occlusion of the mid-right coronary artery. He was treated by percutaneous coronary intervention, with placement of a drug-eluting stent in the right coronary artery. Soon after admission, transthoracic echocardiography showed abnormal left ventricular contractility and a large left intraventricular thrombus. Three weeks after admission, the patient was discharged on dual antiplatelet therapy (clopidogrel and aspirin) and oral anticoagulation therapy (acenocoumarol). Four months after discharge, transthoracic echocardiography showed absence of left ventricular thrombus and resolution of the abnormal contractility in the area supplied by the revascularized right coronary artery. Given the high risk of bleeding, oral anticoagulation therapy was stopped. Six months later, transthoracic echocardiography showed recurrent left ventricular apical thrombus, and an underlying hypercoagulable state was ruled out. Oral anticoagulation therapy was restarted on an indefinite basis, and dual antiplatelet therapy was continued. Conclusions The present case illustrates the need for repeat transthoracic echocardiography following the withdrawal of oral anticoagulation therapy in patients with ST-elevation myocardial infarction, both to monitor thrombus status and to assess left ventricular segmental contraction. In patients who require anticoagulation, avoidance of a drug-eluting stent is strongly preferred and second-generation stents are recommended. The alternative regimen of oral anticoagulation and clopidogrel may be considered in this scenario. In patients with recurrent intraventricular thrombus an underlying hypercoagulable state should be ruled out.