Introduction:

ventilation-associated pneumonial is characterized for presenting in patients with use of artificial airway, it is the second cause of nosocomial infection in critically ill patients, it increases mortality and days of hospitalization. Aspiration systems are part of the prevention measures for this type of pneumonia, in addition, both present changes in hemodynamic parameters without maintaining a clear standard regarding superiority over each other.

Objectives:

to make a comparison of the two types of aspiration systems and their relationship with VAP and related hemodynamic complications through a systematic review.

Methodology:

a systematic review was carried out guided by the formulation of a structured question based on the PICO format considering the type of aspiration system used, incidence of VAP and associated hemodynamic complications.

Results:

there were included 12 articles separated into two groups - relationship between aspiration systems and pneumonia associated with mechanical ventilation and relationship between aspiration systems and impact on hemodynamics – there were included studies from 10 countries, the mean age ranges for both groups was between 62.54 years and 57.62 years. In the first group, the causal relationship between the type of aspiration system and the presence of pneumonia associated with mechanical ventilation does not show substantial significance (P value> 0.05); In the second group, factors related to changes in hemodynamics are identified in most of the documents according to the type of suction system used, such as alterations in oxygen saturation, heart rate and mean arterial blood pressure (P value> 0.05) and in a smaller group identifies changes in arterial oxygen saturation.

Discussion and conclusion:

it was not possible to determine an impact on which type of aspiration system generates maintenance or reduction of ventilation-associated pneumonial due to the lack of statistical significance, it is relevant to indicate that in most of the hemodynamic variables there was a variation of the parameters.

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