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A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
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Invasive fusariosis
Marcio Nucci1,2, Elias Anaissie3
1University Hospital, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
Clinical Microbiology Reviews
|November 8, 2023
Summary
Invasive fusariosis is a severe fungal infection impacting both healthy and immunocompromised individuals. Patient recovery hinges on managing the underlying immunosuppression, particularly neutrophil recovery in neutropenic patients.
Area of Science:
- Mycology
- Infectious Diseases
- Hematology
Background:
- Invasive fusariosis is a severe fungal infection with significant morbidity and mortality.
- It affects both immunocompetent and, more commonly, immunocompromised patients.
- Patients with acute leukemia undergoing chemotherapy and allogeneic hematopoietic cell transplant recipients are at high risk.
Purpose of the Study:
- To summarize the clinical presentation and management of invasive fusariosis.
- To highlight the challenges in treating this infection with current antifungal agents.
- To emphasize the critical role of host immune recovery in patient outcomes.
Main Methods:
- Review of clinical literature on invasive fusariosis.
- Analysis of patient data regarding risk factors and outcomes.
- Discussion of antifungal susceptibility and clinical efficacy.
Main Results:
- In immunocompetent patients, the disease is typically localized.
- In immunocompromised hosts, infection is often disseminated, involving skin and lungs, with positive blood cultures.
- Current antifungals show limited in vitro activity against Fusarium, and clinical correlation is uncertain.
Conclusions:
- The outcome of invasive fusariosis is strongly linked to the resolution of immunosuppression.
- Neutrophil recovery is particularly crucial for neutropenic patients.
- Effective management requires addressing both the fungal infection and the host's immune status.
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