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Assessing risk factors for systemic fungal infections
J Maertens1, M Vrebos, M Boogaerts
1Department of Hematology, University Hospital Gasthuisberg, Leuven, Belgium. johan.maertens@uz.kuleuven.ac.be
Abstract:
The incidence of invasive fungal infection has increased in recent years. Most infections are caused by Candida albicans and Aspergillus spp. but the emergence of other fungal infections is changing the spectrum of disease. Immunosuppression and breakdown of anatomical barriers such as the skin are the major risk factors for fungal infections. Health care workers encounter at-risk patients in various settings, including AIDS clinics and intensive care, transplantation and oncology units. Patients with prolonged and deep neutropenia (haematological malignancy patients) are most at risk and are therefore most likely to receive prophylactic therapy. Practical measures can be taken to avoid exposing the patient to fungi (air filtration, regular hand washing, avoiding plants and flowers) and antifungal agents can be administered to prevent systemic fungal infection. Most fungal infections have non-specific symptoms; this makes recognition of the signs and symptoms of the disease important but also makes diagnosis difficult and empirical treatment necessary. Some antifungal agents have limitations but new formulations will improve therapy and play a key role in future antifungal strategies.
Insights
Invasive fungal infections are rising, particularly in immunocompromised patients. Early recognition, preventative measures, and new antifungal therapies are crucial for managing these challenging diseases.
Area of Science:
- Infectious Diseases
- Mycology
- Critical Care Medicine
Background:
- Invasive fungal infections (IFIs) demonstrate an increasing incidence globally.
- Candida albicans and Aspergillus spp. remain common pathogens, yet a broader spectrum of fungal diseases is emerging.
- Key risk factors include immunosuppression and compromised anatomical barriers, frequently encountered in healthcare settings.
Purpose of the Study:
- To highlight the changing landscape of invasive fungal infections.
- To underscore the importance of risk factor identification and preventative strategies.
- To discuss diagnostic challenges and the role of antifungal therapy.
Main Methods:
- Review of current literature on invasive fungal infections.
- Analysis of epidemiological trends and risk factors.
- Evaluation of current and emerging antifungal treatment strategies.
Main Results:
- IFIs are increasingly prevalent, with shifts in causative organisms.
- Immunosuppressed individuals, especially those with neutropenia, face the highest risk.
- Non-specific symptoms complicate early diagnosis, necessitating empirical treatment.
Conclusions:
- Proactive measures, including environmental controls and prophylactic antifungal agents, are vital.
- Improved diagnostic approaches and novel antifungal formulations are essential for future therapeutic success.