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Study aim
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Comparison of open and closed suctioning methods on the incidence of premature ventilator-dependent pneumonia in mechanically ventilated patients
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Design
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This study was a clinical trial with a control group, with parallel groups, no blinding, randomized, on 184 patients that will be done by simple random method
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Settings and conduct
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Patients divided into two groups of intervention and control randomly, then in the intervention group close suction will be performed (in Amir Al-Momenin Hospital) and in the control group open suction will be performed (in Golestan Hospital)
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: Do not take drugs that weaken the immune system, No pneumonia before intervention according to the criteria of clinical instruments for measuring lung infection, At least 48 hours have elapsed since the patient was admitted, Breathing under mechanical ventilation
Exclusion criteria: patient's unwillingness to cooperate
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Intervention groups
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Intervention group: In the intervention group, the close suction system will be used for 5 days. According to the order of the suction catheter manufacturer(Taiwanese company Biotech), the duration of use of this type of suction is 72 hours, which is disposable and can not be sterilized or reused. The suction set has two numbers 14 and 16. In this type of suction, suction is performed without the patient being separated from the ventilator.
Control group: In the control group, the open suction system will be used for 5 days. In the control group, open suction, which is a routine method, is performed using green nelaton with number 14 and orange with number 16, made by Iranian company Mehr Teb. In this type of suction, the patient is separated from the ventilator and then suction is performed.
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Main outcome variables
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Incidence of ventilator-associated pneumonia, Rate of Endotracheal displacement and hypoxia changes