The close cooperation of all professionals dealing with peritoneal dialysis patient is essential to a adequate medical care. Doctors and nurses constitute the the "stem" of the therapeutic team. The aim of the study was to assess the therapautic cooperation in dialysis centres. The study group consist of 82 dialysis nurses, who filled out anonymous questionaires concerning interdisciplinary care, medical and non-medical support of the patient and adequate information exchange. The study showed that in 50% percent of dialysis units therapeutic teams were not present. In the other, these teams were small and rarely worked according to the accepted standards.