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Fever of unknown origin in the elderly
1Subacute Department, Harzfeld Geriatric Hospital, Kaplan Medical Center, Gedera 70750, Israel. ysmg_tal@netvision.net.il
Abstract:
Fever of unknown origin (FUO) means fever that does not resolve itself in the period expected for self-limited infection and whose cause cannot be ascertained despite considerable diagnostic efforts. The differential diagnosis is often different in older patients, and presentation of disease is frequently nonspecific and symptoms are difficult to interpret. Multisystem disease has emerged as the most frequent cause of FUO in the elderly, and temporal arteritis is the most frequent specific diagnosis. Infections, particular tuberculosis, remain an important group. FUO is often associated with treatable conditions in this age group. Early recognition and prompt initiation of appropriate empirical therapy are cornerstones of the strategy.
Insights
Fever of unknown origin (FUO) in elderly patients presents unique challenges. Early recognition and prompt treatment of FUO are crucial for managing this condition in older adults.
Area of Science:
- Geriatric Medicine
- Infectious Diseases
- Internal Medicine
Background:
- Fever of unknown origin (FUO) is defined as fever persisting beyond a typical self-limited infection period, with elusive causes despite thorough investigation.
- Disease presentation in older adults is often atypical, nonspecific, and challenging to interpret, complicating differential diagnosis.
- Multisystem diseases and specific conditions like temporal arteritis are leading causes of FUO in the elderly.
Purpose of the Study:
- To highlight the distinct diagnostic considerations for FUO in the elderly population.
- To emphasize the importance of recognizing treatable conditions associated with FUO in older patients.
- To underscore the critical role of early diagnosis and empirical therapy in managing FUO in the elderly.
Main Methods:
- Review of clinical presentations and diagnostic challenges of FUO in geriatric patients.
- Analysis of common etiologies, including multisystem diseases and infections like tuberculosis.
- Emphasis on the diagnostic approach tailored to the elderly demographic.
Main Results:
- Multisystem diseases are the most common cause of FUO in the elderly.
- Temporal arteritis is identified as the most frequent specific diagnosis.
- Infections, particularly tuberculosis, remain a significant etiological category.
Conclusions:
- FUO in the elderly frequently stems from treatable conditions, necessitating prompt management.
- Early identification and initiation of empirical therapy are paramount for successful outcomes in elderly patients with FUO.
- A strategic approach focusing on early recognition and treatment is essential for managing FUO in this demographic.