“…and devices for the treatment of coronary artery disease, structural heart diseases, including valvular and congenital heart disease, as well as heart failure, have changed the practice of modern cardiology. In this issue of the Serbian Archives of Medicine we present five articles on different novel techniques, devices, as well as complications of device implantation for the treatment of chronic total occlusion [1], aortic valve disease [2], patent ductus arteriosus [3], pacemaker systems upgrade [4], and finally critical analysis of the most common complications during the implantation of cardiac rhythm management devices [5].…”