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Invasive pulmonary aspergillosis.

Raoul Herbrecht1, Shanti Natarajan-Amé, Valérie Letscher-Bru

  • 1Département d'Hématologie et d'Oncologie, Hôpital de Hautepierre, Strasbourg, France. raoul.herbrecht@chru-strasbourg.fr

Seminars in Respiratory and Critical Care Medicine
|August 10, 2005
PubMed
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Invasive pulmonary aspergillosis (IPA) is a serious fungal infection in immunocompromised patients. Early diagnosis and treatment with voriconazole improve survival, with other antifungals and surgery as alternatives.

Area of Science:

  • Mycology
  • Infectious Diseases
  • Pulmonology

Background:

  • Invasive pulmonary aspergillosis (IPA) is a frequent and severe fungal infection in immunocompromised individuals.
  • Aspergillus species are ubiquitous environmental molds, posing a constant risk of infection.
  • Host defense mechanisms, primarily phagocytosis, are crucial but often insufficient in immunocompromised patients.

Purpose of the Study:

  • To review the diagnosis, treatment, and outcomes of invasive pulmonary aspergillosis.
  • To highlight optimal therapeutic strategies and emerging treatment options for IPA.

Main Methods:

  • Diagnostic criteria include clinical, radiological (CT scans), and mycological data.
  • Biomarkers like galactomannan and nucleic acid detection aid in diagnosis.

Related Experiment Videos

  • Treatment strategies involve prevention, early antifungal therapy, and addressing the underlying condition.

    • Main Results:

    • Clinical signs have low specificity; CT findings like nodules with halo or air crescent signs are typical.
    • Microscopy and culture sensitivity are limited; serum/BAL fluid biomarkers improve diagnostic accuracy.
    • High crude mortality is linked to the underlying disease and aspergillosis extent.

    Conclusions:

    • Voriconazole is the preferred first-line therapy for IPA due to superior efficacy and safety.
    • Lipid amphotericin B, caspofungin, micafungin, and posaconazole are alternative treatments.
    • Surgery may be indicated for preventing severe hemoptysis, and restoring immunocompetence is vital.