• Patrícia Imperatriz Porto Rondinelli, RibeiroKarina de Cássia BragaKde C, and Beatriz de Camargo.
• Department of Pediatrics of the Hospital do Câncer A. C. Camargo, São Paulo, Brazil. patrondinelli@terra.com.br
• J. Pediatr. Hematol. Oncol. 2006 Oct 1; 28 (10): 665-70.

BackgroundFebrile neutropenia (FN) is one of most common complications in patients with cancer during chemotherapy. Identifying factors associated with severe infectious complications (SICs) at time of admission for fever and neutropenia is necessary for better treatment.ProcedureWe revised all medical charts of patients under 18 years old who developed a first episode of FN present from January 2000 to December 2003. Criteria for a SIC were defined. These included the presence of bacteremia or fungemia, sepsis, septic shock, and/or death from infection. To identify risk factors SIC was associated with the first FN episode.ResultsFactors identified in univariate analysis were female sex, age less than 5 years old, acute myeloid leukemia, baseline disease activity, use of central venous catheter, hemoglobin level < 7 g/dL, leukocytes count < 500 cells/mm(3), granulocytes count < 500 cells/mm(3), monocytes count < 100 cells/mm(3), platelets < 20,000, and body temperature > 38.5 degrees C, a chemotherapy interval < 7 days, presence of mucositis, pneumonia, absence of upper respiratory tract infection, or the presence of any clinical focus on first physical examination. In multivariate analysis the variables that remained as independent predictive risk factors for SIC were age less than 5 years, use of central venous catheter, body temperature > 38.5 degrees C, hemoglobin level < 7 g/dL, any clinical focus of infection on first examination and absence of upper respiratory tract infection. The FN population was than divided among 3 different risk groups as follows: group 1 (low risk), group 2 (intermediate risk), with a 13 (4.4 to 38.3)-fold risk for SIC; and group 3 (high risk) with a 50 (16.4 to 149.2)-fold risk for SIC.ConclusionsThis study suggests that patients with FN can be stratified for risk of SIC using clinical parameters at hospital admission.

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