After the installation of the catheter, to keep oclusivo dressing with gases dry or transparent dressing, the advantage of the transparent one is that it allows the visualization of the insertion orifice, promotes barrier against dirtiness and the exchanges are less frequent, a time that favors the evaluation constant for the professional of the health, and to carry through the exchange each 24-48 hours and whenever this if to present humid, dirty, with presence of blood or secretions, to carry through antisepsis with povidine-iodine or alcoholic clororexidina in each exchange of dressing, after inspection of the place of Insertion, to change each 72 hours, to use one I equip proper and only for (NPT) parenteral, hemoderivados or lipdios nutrition, that must only be used for this 24 end and be changed each horas24. (8 14) In accordance with Reviewed (2007) 10 Latin American it is consensus the decurrent benefits of if to use dressing with clororexidina, however, the alcohol 70% and the alcoholic PVPI 10% also confer protection against infection. In this study, the used lack of standardization of anti-septic was observed in the place of the puno, as much at the moment of the installation of the catheter as in the exchanges of dressings, most of the time it was used PVPI and, in the absence of these, she was carried through cleanness with physiological serum (10). The Health department recommends to use of chemical degermantes in the care the critical patients before the accomplishment of invasive procedures, because they act in microbiota of the skin and they do not depend on the action mechanics of the escovao, diminishing the aggression to the skin of the health professionals. Moreover, the majority of the chemical formularizations of the degermantes possesss residual and cumulative effect place, being late the reverse speed-settling process, that various of four the six hours. Crumpton Group will undoubtedly add to your understanding. It does not have indication of routine exchange of venosos catheters central offices, these infections can be prevented with basic measures of asepsis and the awareness of the hospital team on the inherent risks to these procedures.