Edgar Lichstein

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OBJECTIVE To clarify whether any particular β blocker is superior in patients with heart failure and reduced ejection fraction or whether the benefits of these agents are mainly due to a class effect. DESIGN Systematic review and network meta-analysis of efficacy of different β blockers in heart failure. DATA SOURCES CINAHL(1982-2011), Cochrane(More)
PURPOSE Patients with Atrial Fibrillation (AF) and prior stroke are classified as high risk in all risk stratification schemes. A systematic review and meta-analysis was performed to compare the efficacy and safety of New Oral Anticoagulants (NOACs) to warfarin in patients with AF and previous stroke or transient ischemic attack (TIA). METHODS Three(More)
BACKGROUND The benefit of blood transfusion in patients with myocardial infarction is controversial, and a possibility of harm exists. METHODS A systematic search of studies published between January 1, 1966, and March 31, 2012, was conducted using MEDLINE, EMBASE, CINAHL, Scopus, Web of Science, and Cochrane Central Register of Controlled Trials(More)
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