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Ventilator-acquired pneumonia (VAP) is among the most common nosocomial infections in patients admitted to the Intensive care unit (ICU). While intubation is a necessity in supporting respiration, it acts as a conduit through which micro-organisms access the lower respiratory tract causing VAP. In addition, other risk factors such as advanced age, reduced immunity, immobility, and supine position increase the risk of VAP. Consequently, VAP negatively affects patient outcomes while increasing the rate of morbidity, mortality, and hospitalization. The cost of care is also increased. In some cases, the bacteria develop resistance to bacteria, causing a challenge in the management. Therefore, there is a need to adopt a nurse-led initiative that will help in preventing VAP. Various methods have been used. However, there is strong evidence supporting the use of Chlorohexidine (CHG) in reducing microbial load, preventing VAP, and improving patient outcomes. Such findings have been supported by the literature review I conducted on my PICOT question. Therefore, I recommend the adoption of using CHG to prevent VAP in my institution. This paper will discuss the comparison of the research questions, sample populations, limitations, and the usefulness of the evidence in my project.
PICOT: In adult patients intubated in ICU (P), how does daily use of Chlorohexidine (I) compared to not using (C) reduce the risk of Ventilator Acquired Pneumonia (VAP) (O) over three months? (T)
Comparison of Research Questions
Various studies have focused on different aspects regarding ventilator-acquired pneumonia. For instance, Deschepper et al. (2018) sought to find out the role of CHG in reducing mortality. The question stated, ‘Does the use of chlorohexidine oral care in critical and non-critical patients reduce mortality? D’Journo et al. (2018) stated ‘does the use of CHG prevent respiratory complications post-surgery for patients with lung cancer? In a meta-analysis by Jackson and Owens (2019), the authors analyzed various randomized control trials (RCT) to assess the effectiveness of CHG in reducing VAP among intubated patients. In another study by Pallotto et al. (2019), the research question stated, ‘can the use of a soap-like solution of 4% CHG followed by water rinsing reduce the incidence of hospital-acquired infections (HAIs) in ICU patients? Compared to a study by Reagan et al. (2019), which used mathematical analysis to determine the effectiveness of using CHG to reduce the incidences of HAIs and the cost of care, the study by Triamvisit et al. (2021) posed the question of whether the use of modified VAP-care bundle reduces the risk of VAP in neurosurgical patients. Finally, (Urbancic et al. (2018) stated; `does the use of CHG compared to triclosan reduce the rates of HAIs in ICU patients?
Comparison of Sample
The studies presented in the literature were done in different settings for patients with various needs and characteristics. However, it was common for most studies that the sample population comprised of patients admitted to the ICU while nurses intervened for most of the care. Sampling methods and numbers differed in various studies. A retrospective observational study by Deschepper et al. (2018) sampled 82,274 patients while 11,113 patients received CHG. Despite being done in different settings, studies by D’Journo et al. (2018) and Pallotto et al. (2019) sampled 450 patients each and used simple randomization to divide patients into either control or intervention groups. On the other hand, Reagan et al. (2019) simulated 850 patients from a single center using a mathematical model to analyze the cost of care. Triamvisit et al. (2021) recruited 291 patients from two neurosurgical ICU units. Simple randomization was used to classify 146 parti
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