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. 2019 Feb;18(2):152-156.

Effect of Intermittent Subglottic Irrigation with 5% NaCl on the Prevention of Ventilator Associated Pneumonia in Critically Ill Patients

Taraneh Naghibi  1 , Zahra Akbari  1 , Somayae Abdollahi Sabet  2 , Faramarz Dobakhti  3
Affiliations

Effect of Intermittent Subglottic Irrigation with 5% NaCl on the Prevention of Ventilator Associated Pneumonia in Critically Ill Patients

Taraneh Naghibi et al. Tanaffos. 2019 Feb.

Abstract

Background: Ventilator-Associated Pneumonia (VAP) is one of the common causes of mortality and morbidity. Subglottic secretion suction decreases the incidence of VAP. In this study, the effect of 5% sodium chloride (NaCl) in subglottic area in addition to secretion suction in VAP prevention was investigated in patients who were admitted to the intensive care unit.

Materials and methods: All patients were intubated by an intubation tube with subglottic suction. In the intervention group, subglottic area was washed with 10 ml of 5% sodium chloride solution, and in the control group the subglottic area was washed with 10 ml distilled water. Patients were monitored for a maximum of two weeks, and the incidence of VAP was monitored by a Clinical Pulmonary Infection Score (CPIS).

Results: There was no significant difference between the two groups in terms of age and sex. Four (27%) patients in the intervention group, and 7 (37%) in control group were diagnosed with VAP, which was not statistically significant between the two groups (P=0.225). The duration of hospitalization, duration of intubation and mortality did not show any significant difference between the two groups.

Conclusion: It was expected that in this study the rate of VAP became significantly lower with the intervention of using antimicrobial solution in addition to suction. Although the rate decreased clinically, it was not statistically significant, which may be due to the low number of patients.

Keywords: 5% Sodium hypertonic; Subglottic irrigate; Ventilator-associated pneumonia.

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