Infection control and hospital epidemiology · 2024
Impact of oral vancomycin treatment duration on rate of Clostridioides difficile recurrence in patients requiring concurrent systemic antibiotics.
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Kwiatkowski Diana, Marsh Kassandra, Katz Alyson, Papadopoulos John, So Jonathan, Major Vincent J, Sommer Philip M, Hochman Sarah, Dubrovskaya Yanina, Arnouk Serena
Аннотация
BACKGROUND: There is a paucity of data guiding treatment duration of oral vancomycin for Clostridiodes difficile infection (CDI) in patients requiring concomitant systemic antibiotics.
OBJECTIVES: To evaluate prescribing practices of vancomycin for CDI in patients that required concurrent systemic antibiotics and to determine whether a prolonged duration of vancomycin (>14 days), compared to a standard duration (10-14 days), decreased CDI recurrence.
METHODS: In this retrospective cohort study, we evaluated adult hospitalized patients with an initial episode of CDI who were treated with vancomycin and who received overlapping systemic antibiotics for >72 hours. Outcomes of interest included CDI recurrence and isolation of vancomycin-resistant Enterococcus (VRE).
RESULTS: Among the 218 patients included, 36% received a standard duration and 64% received a prolonged duration of treatment for a median of 13 days (11-14) and 20 days (16-26), respectively. Patients who received a prolonged duration had a longer median duration of systemic antibiotic overlap with vancomycin (11 vs 8 days; P < .001) and significantly more carbapenem use and infectious disease consultation. Recurrence at 8 weeks (12% standard duration vs 8% prolonged duration; P = .367), recurrence at 6 months (15% standard duration vs 10% prolonged duration; P = .240), and VRE isolation (3% standard duration vs 9% prolonged duration; P = .083) were not significantly different between groups. Discontinuation of vancomycin prior to completion of antibiotics was an independent predictor of 8-week recurrence on multivariable logistic regression (OR, 4.8; 95% CI, 1.3-18.1).
CONCLUSIONS: Oral vancomycin prescribing relative to the systemic antibiotic end date may affect CDI recurrence to a greater extent than total vancomycin duration alone. Further studies are needed to confirm these findings.
OBJECTIVES: To evaluate prescribing practices of vancomycin for CDI in patients that required concurrent systemic antibiotics and to determine whether a prolonged duration of vancomycin (>14 days), compared to a standard duration (10-14 days), decreased CDI recurrence.
METHODS: In this retrospective cohort study, we evaluated adult hospitalized patients with an initial episode of CDI who were treated with vancomycin and who received overlapping systemic antibiotics for >72 hours. Outcomes of interest included CDI recurrence and isolation of vancomycin-resistant Enterococcus (VRE).
RESULTS: Among the 218 patients included, 36% received a standard duration and 64% received a prolonged duration of treatment for a median of 13 days (11-14) and 20 days (16-26), respectively. Patients who received a prolonged duration had a longer median duration of systemic antibiotic overlap with vancomycin (11 vs 8 days; P < .001) and significantly more carbapenem use and infectious disease consultation. Recurrence at 8 weeks (12% standard duration vs 8% prolonged duration; P = .367), recurrence at 6 months (15% standard duration vs 10% prolonged duration; P = .240), and VRE isolation (3% standard duration vs 9% prolonged duration; P = .083) were not significantly different between groups. Discontinuation of vancomycin prior to completion of antibiotics was an independent predictor of 8-week recurrence on multivariable logistic regression (OR, 4.8; 95% CI, 1.3-18.1).
CONCLUSIONS: Oral vancomycin prescribing relative to the systemic antibiotic end date may affect CDI recurrence to a greater extent than total vancomycin duration alone. Further studies are needed to confirm these findings.