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. 2019 Oct-Dec;14(4):264-268.
doi: 10.4103/atm.ATM_26_19.

Repositioning of endotracheal tube and risk of ventilator-associated pneumonia among adult patients: A matched case-control study

Taha Ismaeil  1   2 , Latifah Alfunaysan  1 , Nouf Alotaibi  1 , Shatha Alkadi  1 , Fatmah Othman  2   3
Affiliations

Repositioning of endotracheal tube and risk of ventilator-associated pneumonia among adult patients: A matched case-control study

Taha Ismaeil et al. Ann Thorac Med. 2019 Oct-Dec.

Abstract

Introduction: Ventilator-associated pneumonia (VAP) is one of the most serious hospital-acquired infections to occur among mechanically ventilated patients. Many risk factors for VAP have been identified in the literature; however, there is a lack of studies examining the association between endotracheal tube (ETT) repositioning and an increase in the risk of VAP. The aim of the present study, therefore, was to investigate the effect of ETT repositioning and the risk of developing VAP.

Methods: Matched case-control studies were conducted among mechanically ventilated patients admitted to the intensive care unit (ICU) at King Abdulaziz Medical City from 2016 to 2018. Patients who had a documented VAP diagnosis were identified and matched to four controls (within a 10-year age band). The history of ETT repositioning (defined as changes in the positioned ETTs from the first reading at the time of ETT insertion) was explored in the medical files of the sample, as were other demographic and comorbidity risk factors. Logistic regression analysis was used to test the association between ETT repositioning and VAP.

Results: A total of 24 cases were identified with documented VAP diagnosis during the study. Those cases were matched to 81 controls. The mean age was 55 (standard deviation 21) for both cases and controls. VAP patients had a greater history of ETT repositioning (46%) compared to controls (29%). Patients who had a history of ETT repositioning were twice as likely to develop VAP as patients who had no history of ETT repositioning (P = 0.13). After adjustment of a potential confounder, the results showed evidence of an increased risk of VAP after ETT repositioning (odds ratio 3.1, 95% confidence interval 1.0-9.6).

Conclusion: Reposition of ETT considers as a risk factor for VAP in ICU patients, and appropriate measures should be applied to reduce movements of the ETT tube.

Keywords: Endotracheal tube; mechanical ventilation; ventilator-associated pneumonia.

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Conflict of interest statement

There are no conflicts of interest.

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