Abstract
Purpose
Although the proportion of immunocompromised patients admitted to the ICU is increasing, data regarding specific management, including acquired infection (ICU-AI) prophylaxis, in this setting are lacking. We aim to investigate the effect of multiple-site decontamination regimens (MSD) in immunocompromised patients.
Methods
We conducted a prospective pre-/post-observational study in 2 ICUs in Bretagne, western France. Adults who required mechanical ventilation for 24 h or more were eligible. During the study period, MSD was implemented in participating ICUs in addition to standard care. It consists of the administration of topical antibiotics (gentamicin, colistin sulfate, and amphotericin B), four times daily in the oropharynx and the gastric tube, 4% chlorhexidine bodywash once daily, and a 5-day nasal mupirocin course.
Results
Overall, 295 immunocompromised patients were available for analysis (151 in the post-implementation group vs 143 in the pre-implementation group). Solid organ cancer was present in 77/295 patients while immunomodulatory treatments were noticed in 135/295. They were 35 ICU-AI in 29/143 patients in the standard-care group as compared with 10 ICU-AI in 9/151 patients in the post-implementation group (p < 0.001). In a multivariable Poisson regression model, MSD was independently associated with a decreased incidence of ICU-AI (incidence rate ratio = 0.39; 95%CI [0.20–0.87] p = 0.008). There were 35/143 deaths in the standard-care group as compared with 22/151 in the post-implementation group (p = 0.046), this difference remained in a multivariable Cox model (HR = 0.58; 95CI [0.34–0.95] p = 0.048).
Conclusion
In conclusion, MSD appeared to be associated with improved outcomes in critically ill immunocompromised patients.
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Data availability
The datasets generated during the current study are available from the corresponding author upon reasonable request.
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The Authors thank Florence MASSART and Brendan STOY for their help in the English writing of the article.
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All authors participated in the acquisition of data. NM, FR, and PF participated in the conception and design of the study, and NM performed the analysis and interpretation of data. NM and FR drafted the article, and all authors finally approved the submitted version.
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Massart, N., Dupin, C., Legris, E. et al. Prevention of ICU-acquired infection with decontamination regimen in immunocompromised patients: a pre/post observational study. Eur J Clin Microbiol Infect Dis 42, 1163–1172 (2023). https://doi.org/10.1007/s10096-023-04650-5
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DOI: https://doi.org/10.1007/s10096-023-04650-5