Background. The number of patients with pacemakers is icreasing. The first reason is longer survival, the second reason is widening indications to cardiostimulation. Along with increasing numbers of performances, we have to recken larger number of complications and these complications solve so, that we avoid more serious damage of a patient. Methods and Results. In our article we focused an possible complications in the area of pacemaker pockets, monitored their appearence, watched the type of complication, the danger of the creation infection endocarditis and we present our own experiences with solving such complications. From the total numer of 3978 surgical interventions was 141 patiens indicated for the revision of the pocket Conclusions. Repeated controls of the pocket and early reported of the patients to the specialised clinic is necessary for the safety of tke patients with pacemakers.

        Key words: pocket of cardiostimulator, infection endocarditis.