• K G Lucas, A E Brown, D Armstrong, D Chapman, and G Heller.
• Department of Pediatrics, Memorial Sloan-Kettering Cancer Center, New York, 10021, USA.
• Cancer. 1996 Feb 15;77(4):791-8.

BackgroundThe management of pediatric oncology patients with fever and neutropenia assumes that all patients are at risk for bacteremia, and therefore generally involves hospitalization and broad-spectrum parenteral antibiotics for all patients. The determination of which patients are at low risk for having positive blood cultures and for developing complications related to bacteremia is of potential benefit.MethodsThe records of 161 pediatric patients with neoplastic disease hospitalized for 509 episodes of fever and neutropenia between January 1990 and June 1992 were retrospectively reviewed. Clinical features at initial presentation, clinical and microbiologic documentation of infection, and outcome were analyzed.ResultsThe only presenting clinical features that correlated with an increased likelihood of having positive blood cultures were chills, hypotension, the requirement for fluid resuscitation (P < 0.001), or a diagnosis of leukemia or lymphoma (P < 0.041). Leukemia patients with relapse admitted for fever and neutropenia were no more likely to have positive blood cultures than those patients in remission. There were ten episodes of fever and neutropenia in which patients were transferred to the intensive care unit (ICU), and two sepsis related deaths. Nine episodes involving ICU management and both deaths were in patients who had persistent fever and an absolute neutrophil count (ANC) of less than 100 after 48 hours of hospitalization (n = 177). Patients with an ANC of less than 100 after 48 hours were twice as likely to have antibiotic changes, 15 times more likely to receive amphotericin B, and were hospitalized twice as long as patients with an ANC of 100 or higher after 48 hours.ConclusionsChildren hospitalized for fever and neutropenia who have persistent fever and an ANC of less than 100 after 48 hours are at high risk for morbidity and are more likely to require antibiotic changes and antifungal therapy. Children who initially lack signs of sepsis, are afebrile, and have an ANC of 100 or higher after 48 hours are at low risk for complications and could be selectively discharged on antimicrobials after a 48-hour period of inpatient hospitalization.

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