[Prolonged fever: specific issues in the young adult population].
Early studies on prolonged fever date back to the 1960s. Fifty years later, prolonged unexplained fever remains a diagnostic challenge to the general internists. Although the aetiologies of prolonged fevers have not changed much in the general population, the distribution between the various causes is not the same anymore. A regular decrease in infectious and neoplastic causes is noticed whatever the age. Prolonged fevers related to inflammatory disorders and fevers that remain of unknown origin still represent approximately 30 to 50% of the cases. In the young adult population, as in the older patients, prolonged fevers can be attributed to four groups: infection, inflammation, neoplasic and other aetiologies (including drug-related fevers). In the young adult population, the management of prolonged fever presents some specific issues that are the purpose of this review coupled with our own experience. The prognosis of undiagnosed prolonged fever is usually favourable, as a life-threatening aetiology is exceptionally diagnosed during the follow-up if the initial management was complete and accurate.
Clinique médicale, hôpital d'instruction des armées du Val-de-Grâce, 74, boulevard de Port-Royal, 75005 Paris, France. t.carmoi@wanadoo.fr
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Carmoi
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Grateau
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Billhot
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Dumas
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Biale
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Perrot
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Algayres
D000293:Adolescent; D000328:Adult; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D003937:Diagnosis, Differential; D005335:Fever of Unknown Origin / Q000453:epidemiology / Q000209:etiology* / Q000628:therapy; D005602:France / Q000453:epidemiology; D006801:Humans; D007239:Infections / Q000150:complications / Q000175:diagnosis; D007249:Inflammation / Q000150:complications / Q000175:diagnosis; D008487:Medical History Taking; D009369:Neoplasms / Q000150:complications / Q000175:diagnosis; D010808:Physical Examination; D011379:Prognosis; D012216:Rheumatic Diseases / Q000150:complications / Q000175:diagnosis; D012307:Risk Factors; D013997:Time Factors
D000894:Anti-Inflammatory Agents, Non-Steroidal