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- Epidemiology of fever of unknown origin (FUO) varies based on etiology of fever, age group, geography, environmental exposure, and immune/HIV status. In developing countries, an infectious etiology of FUO is most prevalent whereas, in developed countries, FUO is likely due to non-infectious inflammatory disease.
www.ncbi.nlm.nih.gov/books/NBK532265/
Aug 14, 2023 · Epidemiology of fever of unknown origin (FUO) varies based on etiology of fever, age group, geography, environmental exposure, and immune/HIV status. In developing countries, an infectious etiology of FUO is most prevalent whereas, in developed countries, FUO is likely due to non-infectious inflammatory disease.
- Ilona Brown, Nancy A. Finnigan
- 2023/08/14
- 2021
Fever of unknown origin (FUO) was originally defined by Petersdorf and Beeson as an illness of more than 3 weeks’ duration, with fever greater than 38.3 °C (101 °F) on several occasions, the cause of which is uncertain after 1 week of in-hospital investigations.
Feb 2, 2022 · In 1961, Petersdorf and Beeson defined fever of unknown origin (FUO) as a temperature of 38.3°C or higher for at least 3 weeks without a diagnosis, despite 1 week of inpatient...
Fever of unknown origin (FUO) was originally characterised in 1961 by Petersdorf and Beeson as a disease condition of temperature exceeding 38.3 °C on at least three occasions over a period of at least three weeks, with no diagnosis made despite one week of inpatient investigation.
Fever of unknown origin (FUO) was first defined by Petersdorf and Beeson in 1961, who defined FUO as body temperature above 38.3°C (101°F) on three or more occasions and a duration of illness of at least three weeks, in which no diagnosis was made after one week of hospital admission. 1 In the following years this definition was modified.
Jul 9, 2024 · Fever of unknown origin (FUO) is body temperature ≥ 38.3° C (≥ 101° F) rectally that does not result from transient and self-limited illness, rapidly fatal illness, or disorders with clear-cut localizing symptoms or signs or with abnormalities on common tests such as chest radiograph, urinalysis, or blood cultures.
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Aug 14, 2023 · The revised definition proposed by Durack and Street in 1991 divided cases into four distinct subclasses: classic FUO, nosocomial FUO, neutropenic FUO, and HIV-related FUO. A comprehensive history and physical examination can aid in diagnosis and direct diagnostic testing.
