From 23.09 to 26.09.2023, master classes on transcatheter implantation of the aortic valve, stent graft implantation in the thoracic aorta and chronic occlusions of coronary arteries were held at the University Hospital. The operations were carried out by outstanding specialists: Ph.D., Head of the Department of Interventional Cardiology and Radiology of the National Scientific Cardiac Surgery Centre (Astana) Alimbayev Serik Almazovich; Ph.D., Ph., Head of the Department of Interventional Cardiology of the National Scientific Cardiac Centre (Astana) Alexey Yurievich Goncharov, Head of the Department of the X-ray Endovascular Laboratory Azizov Baurzhan Slyamovich and residents of the X-ray Endovascular laboratory. X-ray surgeons, cardiovascular surgeons, resident cardiologists took part in this master class. All operations were performed without complications with positive results and improved quality of life of patients.[/vc_column_text]