Seung-jung Park

This study looks at how well a special heart stent called Onyx works in everyday medical practice. About 4,500 adults with narrowed heart arteries who receive an Onyx stent will be followed to check for safety and effectiveness, such as whether the stent stays open and prevents h…

This study followed 900 adults who had aortic valve replacement to see how safe and effective the procedure is in routine hospital care. Researchers tracked deaths from any cause and heart-related deaths. The goal is to understand real-world results beyond controlled clinical tri…

This study compares two ways to guide heart stent placement: OCT and IVUS. Both use a tiny camera inside the artery to help doctors place stents more precisely. About 2,000 people with blocked heart arteries will be randomly assigned to one method. The goal is to see if OCT is as…

This study watches 2,000 people with coronary artery disease who received the Xience Sierra stent during routine care. Researchers track deaths, heart attacks, and repeat procedures to see how safe and effective the stent is compared to other stents. The goal is to learn how the …