The suction valve is set in motion and the sounding lead is removed slowly not exceeding a total of 15 seconds of the total of the suction time. In the presence of thick secretion can be instilado distilled water and in the end of the procedure the catheter must be irrigated with the same water to keep it clean. The hiperoxigenao is only carried through in the patients in the way of attended ventilation/controlled, not being necessary in the way of synchronized intermittent mandatria ventilation. This system involves the use of a catheter of multiple use, that is connected between the endotraqueal pipe and the circuit of the mechanical fan, eliminating the risk associated with the disconnection of the patient of mechanical fan to carry through the suction. Other proven advantages of this system include: maintenance of the cardiovascular parameters, protection of the team, promptitude for the suction and reduction of the cost with the procedure, therefore uses a catheter to each 24 hours and excuses the use of gloves. Still through this system it is prevented contamination crossed between the patients and the contamination of the inferior respiratory treatment with ambient microorganisms, since that the catheter is irrigated with saline solution after each aspiration. (GROSSI, SAINTS, 1994).
Pondering on the benefits considered for the closed system, one gives credit that this is impreterivelmente better that the open system. However, a study carried through in 1999, it searched to evaluate the supremacy of a system on the other in a Unit of Intensive Therapy of a General Hospital of the city of So Paulo. 20 patients had been compared who needed ventilation mechanics for more than 48 hours. One divided the patients in two groups, where 12 patients had been inhaled by open system and 8 patient inhaled by the closed system. Significant differences how much to the percentages of the development of PAVM in both the groups, how much to the incidence of PAVM in relation to the time of permanence in VM and how much to the responsible microorganisms for the pneumonia had not been found.
Pondering on the benefits considered for the closed system, one gives credit that this is impreterivelmente better that the open system. However, a study carried through in 1999, it searched to evaluate the supremacy of a system on the other in a Unit of Intensive Therapy of a General Hospital of the city of So Paulo. 20 patients had been compared who needed ventilation mechanics for more than 48 hours. One divided the patients in two groups, where 12 patients had been inhaled by open system and 8 patient inhaled by the closed system. Significant differences how much to the percentages of the development of PAVM in both the groups, how much to the incidence of PAVM in relation to the time of permanence in VM and how much to the responsible microorganisms for the pneumonia had not been found.
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