The article analyses the supervision of vascular catheters, as well as the factors influencing the complications that occur. The method of observation was applied to assess the supervision of catheters, sample size target. The patients were assessed by gender, age, changes in their state of health, the type of vascular catheters and the assessment of dressing. It was established that the following physical (the condition of skin and the dressing, place and duration of the insertion of a catheter) and mechanical (catheter displacement of vascular injection local tissue stretching for biological fluids stay) factors were of great significant.

Keywords: supervision of vascular catheters, risk factors, complications