• I Yilmaz, D Ozden, and G G Arslan.
• Dokuz Eylul University, Institute of Health Sciences; Department of Fundamentals Nursing, Dokuz Eylul University, Faculty of Nursing, Balcova, Izmir, Turkey.
• Niger J Clin Pract. 2021 Jun 1; 24 (6): 883-891.

BackgroundEndotracheal suctioning is a vital procedure performed by intensive care nurses to maintain airway patency and optimal gas exchange in critically ill patients under mechanical ventilation. As the procedure can cause several complications, intensive care nurses should have adequate evidence-based knowledge on how to perform the procedure.AimsThis study aimed at examining intensive care nurses' knowledge and experience of the closed suctioning system. This study was a prospective, cross-sectional, descriptive, and multi-centered study conducted with 195 nurses working in the tertiary intensive care units in five Turkish hospitals.Subjects And MethodsThe data were collected with a questionnaire developed by the researchers in light of the literature. The data were evaluated with Kruskal-Wallis and Mann-Whitney U tests.ResultsThe mean age of the nurses was 30.58 ± 6.28 years. The mean knowledge score of the nurses for the closed system was 27.35 ± 12.05 (range = 0-80) and 80.5% of them obtained scores ranging between 0 and 40. Also, 71.8% stated that they did not have any difficulty performing suctioning with the closed system catheter, and 85% said that they saved time with the closed system. However, 50.8% of the nurses said they were not able to suction viscous and sticky secretions efficiently, 44.6% stated they did not need to irrigate the inside of the catheter, and 45.1% of them were undecided whether the coude tip catheter led to hemorrhagic secretion more than straight tip catheter.ConclusionsAlmost one-fifth of the nurses had good scores on evidence-based knowledge of suctioning. Most of the nurses' experiences regarding the use and manipulation of the closed system were positive. However, almost half of the nurses pointed out that the closed system was not effective enough to suction viscous and sticky secretions. Regular in-service training sessions may help to improve nurses' current knowledge and experiences.

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