ABSTRACT Introduction and objectives: No previous studies have established the contemporary use and outcomes of Excimer laser coronary atherectomy (ELCA) in percutaneous coronary intervention (PCI) of severely calcified coronary lesions. The aim of this study was to assess the safety. efficacy. and 1-year outcomes of ELCA in this setting. https://poolsproductscanadas.shop/product-category/hayward-hydrotherapy-parts/