Kotaro Miyashita, Kai Ninomiya, Akihiro Tobe, Shinichiro Masuda, Nozomi Kotoku, Shigetaka Kageyama, Pruthvi C Revaiah, Tsung-Ying Tsai, Bo Wang, Scot Garg, Patrick W Serruys, Yoshinobu Onuma
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引用次数: 0
Abstract
Introduction: The higher scaffold thrombosis rates observed with the first-generation bioresorbable scaffolds (BRSs) compared to conventional drug-eluting stents were likely due in part to bioresorbable polymers having insufficient radial strength, necessitating larger strut profiles. Meta-analysis of the long-term outcomes from the first-generation Absorb bioresorbable vascular scaffold (BVS) showed that this period of excess risk ended at 3 years. Therefore, current attention has been focused on improving early outcomes by increasing the scaffold's tensile strength and reducing strut thickness.
Areas covered: This review summaries the lessons learned from the first-generation BRS. It updates the long-term clinical outcomes of trials evaluating the ABSORB BVS and metallic alloy-based BRS. In addition, it reviews the next-generation BRSs manufactured in Asia.
Expert opinion: Critical areas to improve the performance and safety of biodegradable scaffolds include further development in material science, surface modification, delivery systems, and long-term follow-up studies.
期刊介绍:
Expert Review of Cardiovascular Therapy (ISSN 1477-9072) provides expert reviews on the clinical applications of new medicines, therapeutic agents and diagnostics in cardiovascular disease. Coverage includes drug therapy, heart disease, vascular disorders, hypertension, cholesterol in cardiovascular disease, heart disease, stroke, heart failure and cardiovascular surgery. The Expert Review format is unique. Each review provides a complete overview of current thinking in a key area of research or clinical practice.