Three new trials published in the past year have pushed the debate on the efficacy and safety of aspirin for primary prevention of cardiovascular disease (CVD) back to the forefront. Abdelaziz et al conducted an updated meta-analysis of recent large trials, including >45,000 individuals from the three new trials, to provide comprehensive and updated information on the efficacy and safety of aspirin for primary prevention of CVD.

In 2016, the United States had 26,203 confirmed and 36,429 probable cases of Lyme disease (LD), a tick-borne bacterial infection. It is estimated, however, that the true incidence approaches 300,000 cases annually. Lyme disease incidence is also dramatically increasing in Canada, carried by migratory birds that are affected by climate change. In this review, Yeung and Baranchuk discuss the diagnosis and treatment of Lyme carditis, an early disseminated manifestation of Lyme disease infection (within 1 to 2 months with a range of 1 to 28 weeks). MORE

The GUIDE-IT (Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure) trial was designed to prospectively study the relationship between change in natriuretic peptide concentration, cardiac remodeling, and clinical events in patients with heart failure with reduced ejection fraction (HFrEF). The trial was stopped early because biomarker-guided treatment was not more effective than usual care in improving outcomes. The GUIDE-IT Echo Substudy was a prespecified substudy designed to understand the influence of biomarker-guided therapy on cardiac structure and function.

Article by Jesse M. Ehrenfeld, MD, MPH and Jed D. Gonzalo, MD, MSc, editors of Health Systems Science Review Health Systems Science Review is the first book to help learners prepare to be assessed and faculty to develop assessments in this emerging discipline. Health systems science—the study of how health systems deliver care, how patientsMORE