The Strategic Implementation of Evidence Based Practice to Reduce Hospital Acquired Infections in Acute Care Settings

Page 1
REDUCING HAI USING EBP
The Strategic Implementation of Evidence Based Practice to Reduce Hospital
Acquired Infections in Acute Care Settings
Student Name
School of Nursing and Midwifery, University of Birmingham
NUR7002: Advanced Infection Control and Evidence Based Practice
Professor Alistair Vaughan
April 27, 2026
Page 2
REDUCING HAI USING EBP
The Strategic Implementation of Evidence Based Practice to Reduce Hospital Acquired
Infections in Acute Care Settings
Abstract
Hospital acquired infections represent a significant burden on global healthcare systems,
leading to increased morbidity, mortality, and healthcare costs. In the United Kingdom, the
National Health Service faces continuous pressure to reduce the incidence of these infections
through the application of Evidence Based Practice. This research paper evaluates the
effectiveness of evidence based interventions in reducing common hospital acquired infections,
such as catheter associated urinary tract infections, surgical site infections, and ventilator
associated pneumonia. By examining the five step Evidence Based Practice process, the paper
explores how nurses can identify clinical problems, appraise research evidence, and implement
robust infection control protocols. The analysis focuses on the role of bundle interventions, hand
hygiene compliance, and the importance of an organisational culture that prioritises patient
safety. Challenges such as resource limitations and professional resistance are discussed,
alongside strategies for sustainable change. The paper concludes that a systematic, evidence
based approach is essential for achieving a significant and lasting reduction in hospital acquired
infections, thereby improving patient outcomes and system efficiency.
Introduction
Hospital acquired infections, also known as nosocomial infections, are infections that
patients acquire while receiving treatment for other conditions within a healthcare setting. These
infections are a primary indicator of the quality of care and patient safety. Despite significant
advancements in medical technology and antimicrobial therapy, hospital acquired infections
remain a persistent threat. In the United Kingdom, it is estimated that thousands of patients are
affected annually, resulting in prolonged hospital stays and a substantial financial burden on the
National Health Service.
Page 3
REDUCING HAI USING EBP
Evidence Based Practice is the conscientious and judicious use of current best evidence in
making decisions about the care of individual patients. In the context of infection control,
Evidence Based Practice provides a framework for moving away from traditional practices that
may be outdated or ineffective. By integrating the best available research with clinical expertise
and patient preferences, healthcare providers can implement interventions that are proven to be
effective. This research paper explores the role of Evidence Based Practice in reducing hospital
acquired infections, providing a comprehensive analysis of various strategies and their impact on
clinical outcomes.
The Magnitude of the Problem
The impact of hospital acquired infections on patients cannot be overstated. Beyond the
physical suffering and potential long term disability, these infections cause significant
psychological distress to patients and their families. Common types of hospital acquired
infections include bloodstream infections, pneumonia, urinary tract infections, and
gastrointestinal infections. Many of these are associated with the use of invasive medical devices,
such as central venous catheters, urinary catheters, and mechanical ventilators.
From an economic perspective, hospital acquired infections are a major driver of
escalating healthcare costs. The treatment of these infections often requires expensive antibiotics,
additional diagnostic tests, and isolation procedures. Furthermore, the increased length of stay
reduces bed turnover, leading to elective surgery cancellations and increased waiting times.
Therefore, reducing hospital acquired infections is not only a clinical necessity but also a
financial priority for healthcare administrators.
Evidence Based Interventions: The Power of Bundles
One of the most effective strategies for reducing hospital acquired infections is the
implementation of care bundles. A care bundle is a small set of evidence based interventions that,
when implemented together, result in significantly better outcomes than when implemented
Page 4
REDUCING HAI USING EBP
individually. The effectiveness of bundles lies in their simplicity and the requirement for one
hundred percent compliance with all elements of the bundle.
In the prevention of ventilator associated pneumonia, for example, the bundle typically
includes elevation of the head of the bed, daily sedative interruption, and peptic ulcer disease
prophylaxis. Evidence shows that when these interventions are consistently applied, the incidence
of pneumonia drops dramatically. Similarly, central line bundles focus on sterile insertion
techniques and daily review of the necessity of the catheter. The application of these evidence
based protocols ensures that care is standardised and that no critical step in infection prevention
is overlooked.
Hand Hygiene: The Cornerstone of Infection Control
Hand hygiene is widely recognised as the single most important measure for preventing
the transmission of pathogens in healthcare settings. Despite its simplicity, achieving high rates
of compliance remains a challenge for many organisations. Evidence Based Practice has been
instrumental in identifying the most effective methods for improving hand hygiene, such as the
World Health Organization Five Moments for Hand Hygiene.
Research indicates that multimodal strategies are more effective than single interventions.
These include the provision of alcohol based hand rubs at the point of care, ongoing staff
education, and the use of reminders and feedback. Audit and feedback mechanisms, where
compliance is monitored and shared with staff, have been shown to create a sense of
accountability and drive improvement. By grounding hand hygiene programmes in evidence,
nurses can lead efforts to foster a culture where clean hands are an absolute requirement for every
patient interaction.
Environmental Cleaning and Decontamination
The hospital environment plays a significant role in the transmission of healthcare
associated pathogens. Surfaces such as bed rails, bedside tables, and medical equipment can
Page 5
REDUCING HAI USING EBP
become contaminated and serve as reservoirs for organisms like Methicillin resistant
Staphylococcus aureus and Clostridioides difficile. Evidence Based Practice emphasizes the
importance of thorough and frequent cleaning using appropriate disinfectants.
Technological advancements, such as ultraviolet light decontamination and hydrogen
peroxide vapour systems, are increasingly supported by evidence as effective adjuncts to manual
cleaning. Nurses play a vital role in overseeing the cleanliness of their units and ensuring that
cleaning protocols are followed. By advocating for evidence based environmental standards,
nurses help to create a safer space for patients to heal, free from the threat of environmental
contamination.
Catheter Associated Urinary Tract Infection Prevention
Urinary tract infections are the most common type of hospital acquired infection, and the
majority are associated with the use of indwelling catheters. Evidence based strategies for
prevention focus on two main areas: avoiding the use of catheters whenever possible and
ensuring that they are removed as soon as they are no longer necessary. Nurse led catheter
removal protocols, where nurses have the authority to remove catheters based on specific clinical
criteria, have been shown to be highly effective in reducing infection rates.
Other evidence based interventions include the use of aseptic technique during insertion
and maintaining a closed drainage system. Education for both staff and patients is also critical.
By applying these evidence based principles, nurses can significantly reduce the incidence of
these infections, which are often overlooked but contribute significantly to patient discomfort and
prolonged hospitalisation.
Surgical Site Infection Prevention
Surgical site infections are a major complication of surgery, leading to significant
morbidity and increased healthcare costs. Evidence based prevention begins in the preoperative
phase, with measures such as screening for nasal carriage of Staphylococcus aureus and the use
Page 6
REDUCING HAI USING EBP
of chlorhexidine skin preparations. Intraoperative measures include the timely administration of
prophylactic antibiotics and maintaining patient normothermia and glucose control.
Postoperative care is equally important, focusing on appropriate wound management and
early detection of infection. Evidence Based Practice requires a collaborative approach between
surgeons, nurses, and infection control specialists to ensure that every stage of the surgical
journey is optimised for infection prevention. The use of evidence based checklists, similar to the
World Health Organization Surgical Safety Checklist, ensures that all preventive measures are
systematically addressed.
The Five Step Evidence Based Practice Process in Infection Control
The application of Evidence Based Practice in reducing hospital acquired infections
follows a structured five step process. The first step is the formulation of an answerable clinical
question using the PICO framework. For example, in adult patients with central venous catheters,
does the use of antimicrobial impregnated catheters compared to standard catheters reduce the
rate of bloodstream infections? This clear focus allows the nurse to conduct a targeted literature
search.
The second step is the systematic search for the best available evidence. This involves
searching databases like the Cochrane Library, which provides high quality systematic reviews.
The third step is the critical appraisal of the evidence for its validity and clinical significance.
Nurses must be able to determine if the findings are applicable to their specific patient population
and setting. The fourth step is the integration of the evidence with clinical expertise and patient
values. The final step is the evaluation of the intervention impact, ensuring that the changes
implemented have led to a measurable reduction in infection rates.
Organisational Culture and Leadership
The successful implementation of Evidence Based Practice is heavily dependent on the
organisational culture. A culture of safety is one where every staff member feels responsible for
Page 7
REDUCING HAI USING EBP
infection prevention and empowered to speak up when they observe a breach in protocol.
Leadership is critical in fostering this culture. Nurse leaders must provide the vision, resources,
and support necessary for evidence based change.
Visible leadership, where managers are present on the wards and actively engaged in
infection control activities, sends a powerful message about the priority of patient safety.
Furthermore, organisations must invest in the ongoing education of their staff, ensuring that they
have the skills to search for and appraise evidence. When Evidence Based Practice is woven into
the fabric of the organisation, it becomes the standard of care rather than an exceptional activity.
Barriers to Implementing Evidence Based Practice
Despite the clear benefits, several barriers can hinder the adoption of Evidence Based
Practice in infection control. Time constraints are a major issue, as nurses often feel overwhelmed
by clinical tasks and have little time for research. A lack of access to medical journals and
databases can also be a significant hurdle. Furthermore, resistance to change among staff who are
comfortable with traditional practices can slow down the implementation of new protocols.
Addressing these barriers requires a multifaceted approach. Providing protected time for
Evidence Based Practice projects and ensuring that research findings are disseminated in easy to
read formats can help. Peer champions, or staff members who are enthusiastic about Evidence
Based Practice, can act as change agents within their units, encouraging their colleagues and
providing support. By identifying and addressing barriers proactively, healthcare organisations
can create an environment where evidence based care can thrive.
The Role of Data and Informatics
Informatics and data analysis are essential tools for reducing hospital acquired infections.
Real time surveillance systems can alert infection control teams to potential outbreaks, allowing
for rapid intervention. Data on infection rates can be used to identify areas of concern and
Page 8
REDUCING HAI USING EBP
evaluate the effectiveness of new protocols. Public reporting of infection rates also provides a
powerful incentive for organisations to improve their performance.
Nurses are often at the forefront of data collection, and their accuracy is vital for
meaningful analysis. By understanding the importance of data, nurses can use it to advocate for
resources and to demonstrate the impact of their evidence based interventions. The integration of
data into clinical decision making ensures that infection control efforts are targeted and effective.
Patient and Family Engagement
Patients and their families are important partners in the prevention of hospital acquired
infections. Evidence shows that when patients are educated about infection prevention measures,
such as hand hygiene and catheter care, they can play an active role in their own safety. Nurses
should encourage patients to ask staff members if they have washed their hands and to participate
in their own hygiene care.
Clear communication is essential to ensure that patients understand the risks and the steps
being taken to protect them. By empowering patients to be advocates for their own care, nurses
can add an extra layer of protection against the transmission of infections. Patient centred
Evidence Based Practice ensures that the patient values and concerns are at the heart of the
infection control process.
Conclusion
Reducing hospital acquired infections is a critical challenge that requires a sustained and
systematic effort. Evidence Based Practice provides the necessary framework for identifying,
implementing, and evaluating effective infection control strategies. Through the use of care
bundles, improved hand hygiene, and rigorous environmental cleaning, healthcare providers can
significantly reduce the risk to patients.
Success in this area is not solely about the application of technology or research findings;
it is also about leadership, organisational culture, and the commitment of every staff member to
Page 9
REDUCING HAI USING EBP
patient safety. While barriers exist, they can be overcome through education, resource allocation,
and a focus on continuous improvement. As the frontline of patient care, nurses are uniquely
positioned to lead evidence based initiatives that reduce the incidence of hospital acquired
infections. By ensuring that every clinical decision is informed by the best available evidence, the
nursing profession can ensure that hospitals remain places of healing and that the harm caused by
nosocomial infections is minimised. The journey toward zero infections is a long one, but with
Evidence Based Practice as the guide, it is an achievable goal.
Page 10
REDUCING HAI USING EBP
References
Aitken, L. M., Marshall, A. P., Elliott, R., and McKinley, S. (2015). Comparison of two different
methods of ventilator associated pneumonia surveillance in the intensive care unit.
Journal of Hospital Infection, 90(4), 310 to 315. https://doi.org/10.1016/j.jhin.
2015.03.007
Loveday, H. P., Wilson, J. A., Pratt, R. J., Amirove, M., Wilcox, A., Bak, A., and Browne, J.
(2014). epic3: National evidence based guidelines for preventing healthcare associated
infections in NHS hospitals in England. Journal of Hospital Infection, 86, S1 to S70.
https://doi.org/10.1016/S0195 6701(13)60012 2
Melnyk, B. M., and Fineout Overholt, E. (2019). Evidence based practice in nursing and
healthcare: A guide to best practice (4th ed.). Wolters Kluwer.
National Institute for Health and Care Excellence. (2017). Healthcare associated infections:
Prevention and control in primary and community care. https://www.nice.org.uk/
guidance/cg139
Nursing and Midwifery Council. (2018). The Code: Professional standards of practice and
behaviour for nurses, midwives and nursing associates. NMC Publishing.
Pittet, D., Allegranzi, B., and Boyce, J. (2009). The World Health Organization Guidelines on
Hand Hygiene in Health Care and their consensus recommendations. Infection Control
and Hospital Epidemiology, 30(7), 611 to 622. https://doi.org/10.1086/600379
World Health Organization. (2016). Guidelines on core components of infection prevention and
control programmes at the national and acute health care facility level. WHO Press.

Reducing_HAI_EBP_Research_Paper