Fever of unknown origin classification
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Overview
Based upon the work of Petersdorf and Beeson, Durack and Street classified fever of unknown origin(FUO) into four distinct categories in 1991:[1]
- Classic FUO
- Neutropenic FUO
- HIV related FUO
- Nosocomial FUO[2]
Classification
Classification
Classic FUO[3]
- Fever above 38.3° C (100.9° F)
- For more than three weeks
- No diagnosis after work up for at least three visits in outdoor or three days of stay in hospital.
Neutropenic FUO
- Fever above 38.3° C (100.9° F)
- Absolute neutrophil count not more than 500 cells per mm³
- Minimum diagnostic work up for at least three days.
HIV associated FUO
- Known HIV case
- Fever above 38.3° C (100.9° F)
- Time span of more than four weeks for non hospitalized while 3 days for hospitalized patients.
Nosocomial FUO
- Patient in hospital for at least 24 hours
- Absence of fever or incubating fever at admission
- Minimum diagnostic workup for at least three days.
References
References
- ↑ Wright WF, Auwaerter PG (2020). “Fever and Fever of Unknown Origin: Review, Recent Advances, and Lingering Dogma”. Open Forum Infect Dis. 7 (5): ofaa132. doi:10.1093/ofid/ofaa132. PMC 7237822 Check
|pmc=value (help). PMID 32462043 Check|pmid=value (help). - ↑ Hayakawa K, Ramasamy B, Chandrasekar PH (2012). “Fever of unknown origin: an evidence-based review”. Am J Med Sci. 344 (4): 307–16. doi:10.1097/MAJ.0b013e31824ae504. PMID 22475734.
- ↑ Hayakawa K, Ramasamy B, Chandrasekar PH (2012). “Fever of unknown origin: an evidence-based review”. Am J Med Sci. 344 (4): 307–16. doi:10.1097/MAJ.0b013e31824ae504. PMID 22475734.
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