Journal
TRANSPLANT INFECTIOUS DISEASE
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/tid.14211
Keywords
children; infections; management; prophylaxis; transplantation
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In this single-center study, discontinuing routine antibacterial prophylaxis had no effect on the occurrence of fever and bacterial infections in pediatric allogeneic HCT recipients. Overall antibiotic use was significantly reduced, and survival was noninferior to the historical control cohort.
BackgroundAntibacterial prophylaxis in children and adolescents undergoing allogeneic hematopoietic cell transplantation (HCT) is controversial and not recommended by international guidelines. We analyzed relevant posttransplant outcomes following discontinuation of antibacterial prophylaxis at a major European pediatric transplant center.MethodsThe single-center retrospective audit included all pediatric allogeneic HCT patients (pts) transplanted between 2011 and 2020 before (<= 2014) and after (>= 2015) stopping routine antibacterial prophylaxis with penicillin, metronidazole, and ciprofloxacin upon start of the conditioning regimen. The primary endpoint was overall survival until the first hospital discharge. Secondary endpoints included the occurrence of fever; bacterial infections; and cumulative days with antibacterial agents until discharge.ResultsA total of 257 HCT procedures were performed in 249 pts (median age: 10 years, range, 0.2-22.5) for leukemia/lymphoma (n = 150) and nonmalignant disorders (n = 107). Of these, 104 procedures were performed before (cohort 1) and 153 after (cohort 2) stopping prophylaxis. Overall survival until discharge was 90.4% in cohort 1 and 96.1% in cohort 2 (p = .06). No differences were observed in the occurrence of fever (92.3 vs. 94.1%; p = .57) and bacterial infections (34.6 vs. 25.5%; p = .11). The median number of days on antibacterial agents was significantly lower in cohort 2 (39 vs. 34; p = .002). Detection rates of resistant organisms were overall low.ConclusionIn this single-center audit, the stop of routine antibacterial prophylaxis had no effect on the occurrence of fever, bacterial infections, resistant organisms, and GVHD. Overall antibiotic use was significantly reduced, and survival was noninferior to the historical control cohort.image In this single-center, retrospective cohort study in pediatric allogeneic HCT recipients, stopping the policy of routine antibacterial prophylaxis started with the conditioning regimen had no effect on the occurrence of fever and bacterial infections. Overall antibiotic use was significantly reduced, and survival was noninferior to the historical control cohort.image
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