This multicenter, cluster-randomized crossover trial aims to evaluate the effectiveness and safety of a bundled intervention-including daily chlorhexidine bathing and targeted antimicrobial and proton pump inhibitor (PPI) stewardship-for preventing colonization and infection caused by carbapenemase-producing Enterobacteriaceae (CPE) in intensive care units (ICUs) across three university-affiliated hospitals in South Korea. Each hospital will include two ICUs, randomized to either the intervention or control group for six months, followed by a crossover. The intervention group will receive daily bathing using no-rinse, 4% chlorhexidine gluconate (CHG)-impregnated washcloths along with antimicrobial and PPI stewardship focused on reducing unnecessary carbapenem and PPI use. The control group will receive standard bathing without chlorhexidine, while receiving the same stewardship interventions as the intervention group. Primary outcomes include the incidence and prevalence of CPE colonization and CPE-attributable healthcare-associated infections such as bloodstream infections, hospital-acquired pneumonia, and urinary tract infections. Secondary outcomes include evaluation of residual CHG skin concentrations, comparison with CHG minimum inhibitory concentrations (MICs) of CPE isolates, impact of feedback on adherence to bathing protocols, and assessment of adverse skin reactions to CHG bathing. Findings from this study are expected to provide evidence-based guidance on the effectiveness and feasibility of combining daily chlorhexidine bathing with no-rinse, 4% CHG-impregnated washcloths and stewardship interventions to control the spread of CPE in high-risk healthcare settings.
Age range
19 Years
Sex
ALL
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Incidence of CPE Colonization and Infection
Timeframe: From ICU admission up to ICU discharge (an average of 10-14 days)