Fever of unknown origin classification: Difference between revisions
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==Classification== | ==Classification== | ||
=== Classic FUO === | ===Classic FUO<ref name="pmid224757342">{{cite journal| author=Hayakawa K, Ramasamy B, Chandrasekar PH| title=Fever of unknown origin: an evidence-based review. | journal=Am J Med Sci | year= 2012 | volume= 344 | issue= 4 | pages= 307-16 | pmid=22475734 | doi=10.1097/MAJ.0b013e31824ae504 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22475734 }}</ref>=== | ||
* | *Fever above 38.3° C (100.9° F) | ||
* For | *For more than three weeks | ||
* No diagnosis after work up for at least three visits or three days of stay in hospital. | *No diagnosis after work up for at least three visits in outdoor or three days of stay in hospital. | ||
=== Neutropenic FUO === | ===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== | ||
Revision as of 19:22, 22 January 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
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
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
- ↑ 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.