Feasibility of withholding antibiotics in selected febrile neutropenic cancer patients. |
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Authors: | Claudi Oude Nijhuis Willem A Kamps Simon M G Daenen Jourik A Gietema Winette T A van der Graaf Harrie J M Groen Edo Vellenga Els M Ten Vergert Karin M Vermeulen Hillie G de Vries-Hospers Eveline S J M de Bont |
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Affiliation: | Division of Pediatric Oncology, Beatrix Children's Hospital, University Hospital Groningen, P.O. Box 30.001, 9700 RB Groningen, the Netherlands. |
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Abstract: | PURPOSE: To investigate the feasibility of withholding antibiotics and early discharge for patients with chemotherapy-induced neutropenia and fever at low risk of bacterial infection by a new risk assessment model. PATIENTS AND METHODS: Outpatients with febrile neutropenia were allocated to one of three groups by a risk assessment model combining objective clinical parameters and plasma interleukin 8 level. Patients with signs of a bacterial infection and/or abnormal vital signs indicating sepsis were considered high risk. Based on their interleukin-8 level, remaining patients were allocated to low or medium risk for bacterial infection. Medium-risk and high-risk patients received standard antibiotic therapy, whereas low-risk patients did not receive antibiotics and were discharged from hospital after 12 hours of a febrile observation. End points were the feasibility of the treatment protocol. RESULTS: Of 196 assessable episodes, 76 (39%) were classified as high risk, 84 (43%) as medium risk, and 36 (18%) as low risk. There were no treatment failures in the low-risk group (95% CI, 0% to 10%). Therefore, sensitivity of our risk assessment model was 100% (95% CI, 90% to 100%), the specificity, positive, and negative predictive values were 21%, 13%, and 100%, respectively. Median duration of hospitalization was 3 days in the low-risk group versus 7 days in the medium- and high-risk groups (P < .0001). The incremental costs of the experimental treatment protocol amounted to a saving of 471 (US $572) for every potentially low-risk patient. CONCLUSION: This risk assessment model appears to identify febrile neutropenic patients at low risk for bacterial infection. Antibiotics can be withheld in well-defined neutropenic patients with fever. |
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