Diagnostic approach to the adult cancer patient with neutropenic fever
- John R Wingard, MD
John R Wingard, MD
- Professor of Medicine
- University of Florida College of Medicine
Fever occurs frequently in patients with chemotherapy-induced neutropenia. Factors that contribute to the pathogenesis of neutropenic fever include the direct effects of chemotherapy on mucosal barriers and immune deficits related to the underlying malignancy or other immunosuppressive conditions or therapies. Prior to the era of empiric antibiotic therapy, infections accounted for most episodes of neutropenic fever and approximately 70 percent of the mortality in neutropenic acute leukemia patients . Because of the routine use of prompt empiric antibiotics, infections are documented less frequently today.
Although the majority of patients with neutropenic fever do not have a documented infection, consensus guidelines recommend that all cancer patients with neutropenic fever be promptly evaluated and treated with empiric broad-spectrum antibiotics . This approach is indicated since it is difficult to distinguish life-threatening infections from less serious infections in this patient population, and infection may progress rapidly in such patients. Furthermore, better outcomes are seen with prompt therapy .
The diagnostic evaluation of cancer patients presenting with neutropenic fever will be reviewed here. An overview of neutropenic fever syndromes as well as the risk assessment and management of patients with neutropenic fever are presented separately. (See "Overview of neutropenic fever syndromes" and "Risk assessment of adults with chemotherapy-induced neutropenia" and "Treatment of neutropenic fever syndromes in adults with hematologic malignancies and hematopoietic cell transplant recipients (high-risk patients)" and "Treatment and prevention of neutropenic fever syndromes in adult cancer patients at low risk for complications" and "Prophylaxis of infection during chemotherapy-induced neutropenia in high-risk adults" and "Prophylaxis of invasive fungal infections in adults with hematologic malignancies" and "Prophylaxis of invasive fungal infections in adult hematopoietic cell transplant recipients".)
Guidelines have been developed for the evaluation and management of fever in neutropenic patients with cancer [2,4,5]. The recommendations below are generally in keeping with the 2010 Infectious Diseases Society of America (IDSA) guidelines . (See 'Society guideline links' below.)
Fever — Fever in neutropenic patients is defined as a single oral temperature of ≥38.3°C (101°F) or a temperature of ≥38.0°C (100.4°F) sustained over a one-hour period . The definition of fever is discussed in greater detail separately. (See "Overview of neutropenic fever syndromes", section on 'Fever'.)To continue reading this article, you must log in with your personal, hospital, or group practice subscription. For more information on subscription options, click below on the option that best describes you:
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- Freifeld AG, Bow EJ, Sepkowitz KA, et al. Clinical practice guideline for the use of antimicrobial agents in neutropenic patients with cancer: 2010 update by the infectious diseases society of america. Clin Infect Dis 2011; 52:e56.
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- National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology. Prevention and treatment of cancer-related infections. Version 2.2014. http://www.nccn.org (Accessed on November 06, 2014).
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- PATIENT EVALUATION
- Risk assessment
- Physical examination
- - Lungs
- - Abdomen
- - Intravenous catheter sites
- - Skin and mucous membranes
- - Perianal region
- Routine laboratory tests
- Serum fungal markers
- Microbiology and other diagnostic testing
- INITIATION OF EMPIRIC THERAPY
- EVALUATION OF PERSISTENT OR RECURRENT FEVER
- SOCIETY GUIDELINE LINKS
- INFORMATION FOR PATIENTS
- SUMMARY AND RECOMMENDATIONS