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Background Recurrent central line-associated bloodstream infections (CLABSI) in children present a unique challenge to infection prevention efforts but guidelines for management are lacking. Methods We reviewed CLABSI data at Texas Children’s Hospital (TCH) from fiscal years (FY) 2017-2019. A chart review to characterize clinical features, risk factors, and outcomes of patients with recurrent CLABSIs in FY2019 was performed. Descriptive statistics and Fisher’s exact test were used. Results Recurrent CLABSIs increased from FY 2017-2019 [20% (26/126) to 33% (44/131)] (P=0.03). In FY2019, 15 patients accounted for 44 CLABSIs (Figure 1). Underlying conditions included aplastic anemia (4), hemophagocytic lymphohistiocytosis (3), malignancy (4), genetic disease (2), congenital heart disease (1) and biliary atresia (1). Two-thirds of the CLABSIs occurred in the setting of severe neutropenia (ANC &amp;lt; 100 cells/mm3) though only 16 (36%) were classified as mucosal barrier injury. The median time between line insertion and date of infection was 41 days (range 1-105). Line type included central venous catheters (25, 57%), peripherally inserted central catheters (17, 39%) and implantable ports (2, 5%). Most lines (80%) had double lumens. The most common organisms included: Gram-negative bacilli (15), coagulase negative staphylococci (14), viridans group streptococci (6) Candida spp. (5), Enterococcus faecalis (3) and Staphylococcus aureus (3). Four CLABSIs were polymicrobial. Patients with &amp;gt;2 CLABSIs were more likely to have subsequent infections with the same organism as compared to patients with only 2 CLABSIs (P=0.01). Lines were removed promptly (19, 43%), had delayed removal (removal &amp;gt;72 hours from infection date) (10, 23%) or remained in place (15, 34%). Lines were removed for all episodes of fungemia (5/44) and for most Gram-negative infections (10/12). Six of 7 Escherichia coli CLABSIs were breakthrough fluoroquinolone-resistant infections in patients on levofloxacin. Single Episode and Recurrent CLABSIs at Texas Children’s Hospital for Fiscal Year 2019 Conclusion Recurrent CLABSI accounted for a third of CLABSIs in FY2019. Line mismanagement was not a key contributor to recurrent CLABSI. Breakthrough CLABSIs in patients on levofloxacin prophylaxis need further investigation. For patients with CLABSIs due to Staphylococci decolonization may be considered. Disclosures All Authors: No reported disclosures

1375. Characterization of Recurrent Central Line-associated Bloodstream Infections at Texas Children’s Hospital