Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases · 2025
Screening and targeted prophylaxis for Clostridioides difficile infection.
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Ziegler Mathew J, Anesi Judith, Tolomeo Pam, Glaser Laurel, Cowden Laura, Cressman Leigh, Huang Elizabeth, Patel Alexa, Lautenbach Ebbing, Pegues David A, Kelly Brendan J
Аннотация
OBJECTIVE: Patients receiving immunosuppression for oncology treatment and solid organ transplantation are at high risk for developing hospital-onset Clostridioides difficile infection (HO-CDI). We studied the impact of a prophylactic enteral vancomycin intervention on the reduction of HO-CDI during high-risk inpatient admissions among immunocompromised patients.
METHODS: The screening and targeted prophylaxis (STOP) intervention was implemented over a 2-year period. Patients admitted for solid organ transplant, autologous stem cell transplant, chimeric antigen receptor T-cell, or treatment for leukaemia were screened for colonization with C. difficile. Colonized patients were placed in contact isolation and were advised to start anti-C.difficile antibiotic prophylaxis. To assess the effect of this intervention on both C.difficile testing and incident HO-CDI, comparison was made to historical controls in the 2 years before implementation of the STOP intervention, both unweighted and weighted by treatment category and separately by treatment category and severity of illness.
RESULTS: From November 2021 to December 2023, 696 patients were screened for C difficile, among whom 11.1% (77/696) were found to be colonized and received the prophylactic intervention. Compared with treatment-weighted controls, the odds of HO-CDI were significantly lower in the intervention group (6/696 [0.88%] vs. 81/1450 [5.6%]; odds ratio [OR], 0.15; 95% Credible Interval [CrI], 0.06-0.30). Significant reductions in 90-day CDI (OR 0.40, 95% CrI 0.25-0.64), stool output (incidence rate ratio, 0.84; 95% CrI, 0.77-0.92), and length of stay (-2.5 days; 95% CrI, -3.4 to -1.5) were also observed in the intervention group. There was no detected difference in vancomycin-resistant Enterococci infection (OR, 0.77; 95% CrI, 0.33-1.75) or mortality (OR, 0.44; 95% CrI, 0.11-1.49).
DISCUSSION: The STOP intervention was effective at reducing HO-CDI, length of stay, and symptoms of C difficile in this high-risk cohort.
METHODS: The screening and targeted prophylaxis (STOP) intervention was implemented over a 2-year period. Patients admitted for solid organ transplant, autologous stem cell transplant, chimeric antigen receptor T-cell, or treatment for leukaemia were screened for colonization with C. difficile. Colonized patients were placed in contact isolation and were advised to start anti-C.difficile antibiotic prophylaxis. To assess the effect of this intervention on both C.difficile testing and incident HO-CDI, comparison was made to historical controls in the 2 years before implementation of the STOP intervention, both unweighted and weighted by treatment category and separately by treatment category and severity of illness.
RESULTS: From November 2021 to December 2023, 696 patients were screened for C difficile, among whom 11.1% (77/696) were found to be colonized and received the prophylactic intervention. Compared with treatment-weighted controls, the odds of HO-CDI were significantly lower in the intervention group (6/696 [0.88%] vs. 81/1450 [5.6%]; odds ratio [OR], 0.15; 95% Credible Interval [CrI], 0.06-0.30). Significant reductions in 90-day CDI (OR 0.40, 95% CrI 0.25-0.64), stool output (incidence rate ratio, 0.84; 95% CrI, 0.77-0.92), and length of stay (-2.5 days; 95% CrI, -3.4 to -1.5) were also observed in the intervention group. There was no detected difference in vancomycin-resistant Enterococci infection (OR, 0.77; 95% CrI, 0.33-1.75) or mortality (OR, 0.44; 95% CrI, 0.11-1.49).
DISCUSSION: The STOP intervention was effective at reducing HO-CDI, length of stay, and symptoms of C difficile in this high-risk cohort.