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Updated: Jul 26, 2026

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
[Aspergillus, aspergillosis]
1Mikrobiologický ústav LF UK Plzen.
Abstract:
Aspergillus is a ubiquitous fungus which can penetrate into the human body in a natural way, by the respiratory tract or traumatically or iatrogenically. The presence of Aspergillus in the atmosphere is constant, in the environment, especially in moist places or in the neighbourhood of man, in dust. Aspergillus can colonise different substrates, the organic rests, soil, plants, cloting, climatisation, furniture. Aspergillus is in the first phase among the agents responsible for respiratory infections, for different physiopathological mechanisms and for some nosocomial infections. The author gives a review of sources of Aspergillus, especially for hospitalized patients, of mechanisms of the host's defence, of factors enabling the survival of Aspergillus in hosts and of clinical picture. The prevalence of deep forms: aspergillome, allergic bronchopulmonal aspergillosis remain constant. New clinical forms appear due to modern therapy (immunosuppression, organ transplantation). The author describes further laboratory diagnostics with the interpretation of results and epidemiological studies. The early diagnostics of different types of aspergillosis, preventive methods and actual antimycotic therapy can inhibit the progress and improve the prognosis of these infectious diseases.
Insights
Aspergillus, a common fungus, causes respiratory infections and nosocomial infections. Early diagnosis and treatment of aspergillosis are crucial for improving patient outcomes.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Environmental Microbiology
Context:
- Aspergillus is a ubiquitous fungus found in the environment, frequently inhaled via the respiratory tract.
- It colonizes various substrates and is a significant cause of respiratory and nosocomial infections.
- Hospitalized patients are particularly vulnerable to Aspergillus infections.
Purpose:
- To review the sources and environmental presence of Aspergillus.
- To discuss host defense mechanisms and factors influencing Aspergillus survival.
- To outline the clinical manifestations, diagnostics, and therapeutic strategies for aspergillosis.
Summary:
- Aspergillus species are prevalent environmental fungi that can cause significant human infections, particularly respiratory and nosocomial types.
- Deep-seated forms like aspergilloma and allergic bronchopulmonary aspergillosis persist, with new forms emerging due to immunosuppressive therapies.
- Effective laboratory diagnostics, epidemiological studies, preventive measures, and current antimycotic therapies are essential for managing aspergillosis.
Impact:
- Highlights the importance of early diagnosis and intervention for aspergillosis.
- Emphasizes the role of environmental factors and host defenses in Aspergillus infections.
- Informs clinical practice regarding the prevention and treatment of invasive fungal infections.
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