Abstract
Current guidelines recommend sampling each central-access lumen during the initial evaluation of febrile pediatric oncology patients. We investigated this recommendation's validity at centers implementing a diagnostic stewardship program to reduce blood cultures in critically ill children. Among 146 oncology patients admitted to the intensive care unit, there were 34 eligible blood culture-sets. Eleven (34%) sets yielded discordant results, most commonly cultivating a likely pathogen from one lumen and no growth from another. As hospitals move toward reducing testing overuse, these results emphasize the continued importance of culturing each central-access lumen to optimize the detection of bacteremia in the initial evaluation of critically ill pediatric oncology patients.
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