Mar 20, 2023
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Ethan Weiss is a preventative cardiologist at UCSF, an entrepreneur-in-residence at Third Rock Ventures, where he is working on a project related to cardiometabolic disease, and a previous guest on The Drive. In this episode, Ethan compares and contrasts the diagnostic imaging tools, CAC (coronary artery calcium score) and CTA (CT angiography), used to image plaque—including the latest in CTA software—and how these tools inform our understanding of ASCVD risk and guide clinical decision-making. Ethan discusses the types of plaque that cause events and the data that make a case for optimal medical therapy over stenting outside of particular cases. He explains why high blood pressure is problematic and walks through the data from clinical trials testing aggressive treatment. He talks about the best way to actually measure blood pressure, why we shouldn’t simply accept that blood pressure rises with age, and how he uses different pharmaceutical agents to treat hypertension. Additionally, Ethan explains our current, but limited, understanding of the role of metabolic health in ASCVD. He discusses the impact of fat storage capacity and the location of fat storage and explains how and why there is still a residual risk, even in people who have seemingly normal lipids, don't smoke, and have normal blood pressure.
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