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Pulmonary Aspergillosis: Spectrum of Disease

Bogdan Moldoveanu1, Alessandra Morello Gearhart1, Bilal A Jalil1

  • 1Division of Pulmonary, Critical Care, and Sleep Disorders Medicine - Department of Medicine, University of Louisville, Pulmonary, Critical Care and Sleep Division, Louisville, KY, USA.

The American Journal of the Medical Sciences
|February 10, 2021
PubMed

Insights

Pulmonary Aspergillosis presents diverse clinical syndromes based on host immunity and lung health. This fungal infection ranges from invasive disease in immunocompromised individuals to allergic responses in those with asthma or cystic fibrosis.

Area of Science:

  • Medical Mycology
  • Pulmonology
  • Infectious Diseases

Background:

  • Aspergillus species are common environmental fungi.
  • Inhalation of Aspergillus spores typically does not cause disease in healthy individuals.
  • Pulmonary Aspergillosis encompasses a spectrum of conditions influenced by host immune status and pre-existing lung disease.

Purpose of the Study:

  • To outline the various clinical presentations of Pulmonary Aspergillosis.
  • To differentiate between invasive, chronic, and allergic forms of the disease.
  • To highlight the role of host factors in disease development.

Main Methods:

  • Clinical case review and literature synthesis.
  • Analysis of host immune status and underlying pulmonary conditions.
  • Classification of Aspergillosis based on clinical manifestations.

Main Results:

  • Pulmonary Aspergillosis ranges from invasive forms in severely immunocompromised patients to chronic forms in those with structural lung disease.
  • Aspergillus bronchitis occurs in patients with conditions like bronchiectasis.
  • Allergic bronchopulmonary Aspergillosis results from an allergic reaction in patients with asthma or cystic fibrosis.

Conclusions:

  • Pulmonary Aspergillosis is a complex disease with varied presentations.
  • Understanding host-pathogen interactions is crucial for diagnosis and management.
  • Different forms of Aspergillosis require distinct clinical approaches.
Keywords:
Allergic aspergillosisAspergillosisChronic aspergillosisInvasive aspergillosisPulmonary fungal infections

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