The goal of this clinical trial is to learn if Infection Control Link Nurses (i.e., clinical nurses providing direct patient care with an interest and expertise in infection control practices) are effective in improving nurses' compliance with standard precaution measures, healthcare professional's compliance with hand hygiene practices and in reducing healthcare-associated infections. The main questions it aims to answer are:
* Are Infection Control Link Nurses effective in improving nurses' compliance with standard precautions? * Are Infection Control Link Nurses effective in improving healthcare professionals' compliance with hand hygiene practices? * Are Infection Control Link Nurses effective in improving alcohol-based hand rub consumption? * Are Infection Control Link Nurses effective in reducing healthcare-associated infections? In this study, a total of 8 hospital units will be randomized in two groups: 1) Intervention group, where in 4 hospital units will be selected and trained 4 Infection Control Link Nurses; and 2) Control group, where in 4 hospital units will continue usual IPC practice.
Training of Infection Control Link Nurses will be 12 months-long, with regular monthly scheduled meetings.
Researchers will compare Intervention group with the Control group to see if nurses' compliance with standard precautions and healthcare professionals' compliance with hand hygiene will improve in the Intervention group, and if overall healthcare-associated infection incidence will decrease.
Participants will be nurses working full time in the selected hospital units, for a total of 100 nurses. They will sign an Informed Consent form and they will fill out a validated instrument named "Compliance with Standard Precautions Scale-Italian Version", to measure their adherence to standard precautions measures (i.e., use of protective device, disposal of sharp, disposal of waste etc). Concurrently, evaluation of healthcare professionals' compliance with hand hygiene will be done via direct observation, following World Health Organization's Technical Manual, by hospital staff who did not participate in the conception and design of the study. Lastly, data regarding alcohol-based hand rub consumption and healthcare-associated infections will be collected by experienced personnel who routinely perform these activities. The study will last 12 months, data collection will be carried out at baseline (pre-implementation of infection control link nurses) and after 12 months (after infection control link nurses implementation).
Nursing staff working full time in the hospital wards and intensive care units partecipating in the study
Nurses unavailable to sign informed consent
Parallel
Implementation of Infection Control Link Nurses (ICLNs)
BehavioralInfection Control Link Nurses (ICLNs) are clinical nurses, working in direct nursing care, with an interest and expertise on infection control practice. They work with constant and direct support by the IPC hospital team, and they are required to follow a training course with numerous scheduled meetings about IPC-related issues. They will be selected via spontaneous application or identified by their Head Nurses. All ICLNs activities are to be completed during working hours, they still maintain their clinical nursing role, but in addition they implement and translate IPC-measures into clinical practice by observing, monitoring and analyzing data on compliance with hand hygiene, compliance with standard and isolation precautions, healthcare-associated infections and other IPC-related issues
Nurses' compliance with standard precautions
Standard Precautions are measure that healthcare professionals need to apply into practice with dual aim: to protect themselves from contamination during direct patient care, and to prevent/reduce healthcare-associated infections in patients. It will be measured via the Compliance with Standard Precaution Scale, Italian version (CSPS-It). Written approval and permission to use the scale have been obtained both by the original author and by the author of the Italian-validated version. CSPS-It is a 20-item instrument, validated for registered nurses and nursing students, aiming to assess nursing staff's compliance with standard precautions measures (e.g., use of protective device, disposal of sharp, disposal of waste). It comprises 20 items, both positively and negatively worded, answerable with a 4-point Likert scale ranging from 1 ("never") to 4 ("always"). Scoring ranges between 0 and 20, with higher scores reflecting better compliance with standard precautions
Healthcare professionals' compliance with hand hygiene
Healthcare professionals' hand hygiene compliance will be evaluated via direct observation, following the World Health Organization - Hand Hygiene Technical Reference Manual. This Manual explains in detail how an observer should conduct the evaluation, following the 5 moments for hand hygiene (1. Before touching a patient; 2. Before clean/aseptic procedure; 3. After body fluid exposure risk; 4. After touching a patient; 5. After touching patient surroundings) defined by WHO to clean healthcare professionals' hands with soap and water or AHRB. WHO Technical Reference Manual contains a specific part (i.e., Part III - Observing hand hygiene practices) that guides step by step direct observations of HH. Calculation % of HH compliance of the observed staff is based on the following formula: Compliance (%)= (Performed actions/Opportunities) x 100.
Alchol-Based Hand Rub (ABHR) consumption
Alchol-based hand rub (ABHR) consumption is a proxy measure of hand hygiene. It involves measuring the quantity of hydro-alcoholic hand sanitizing solution used by healthcare professionals in a set period of time, through consumption flows. ABHR consumption will be analyzed via the following equation, proposed by WHO: (ABHR consumption)/(1000 patient-days). WHO proposes a rate of ABHR consumption \>=20 Liters/1000 patient-days as the desirable standard.
Incidence of Healthcare-Associated Infections (HAIs)
Incidence of the following Healthcare-Associated Infections (HAIs) will be calculated: catheterization-associated urinary tract infections (CAUTIs), mechanical ventilation-associated pneumonia (VAPs), surgical site infections (SSIs) and bloodstream infections (BSIs). The incidence rate of VAP, CAUTI, SSI, and BSI will be calculated as per the usual reporting of positive culture specimens by the CCM Medical Laboratory. All first positive culture samples associated with a specific hospital unit will be considered. Individual cases will then be analyzed, by experienced personnel who routinely perform these activities, based on the Atlanta Center of Disease Control Guidelines, identifying hospital HAIs. Incidence of each HAI (i.e., VAP, CAUTI, SSI, BSI) will be calculated using the following equation: Incidence rate= (Number of first positive cultures per patient / Number of unit's admissions) x 1000 patient-days
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