Tracheobronchial Manifestations of Aspergillus Infections

Human lungs are constantly exposed to a large number of Aspergillus spores which are present in ambient air. These spores are usually harmless to immunocompetent subjects but can produce a symptomatic disease in patients with impaired antifungal defense. In a small percentage of patients, the trache...

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Main Authors: Rafal Krenke, Elzbieta M. Grabczak
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/2011/865239
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author Rafal Krenke
Elzbieta M. Grabczak
author_facet Rafal Krenke
Elzbieta M. Grabczak
author_sort Rafal Krenke
collection DOAJ
description Human lungs are constantly exposed to a large number of Aspergillus spores which are present in ambient air. These spores are usually harmless to immunocompetent subjects but can produce a symptomatic disease in patients with impaired antifungal defense. In a small percentage of patients, the trachea and bronchi may be the main or even the sole site of Aspergillus infection. The clinical entities that may develop in tracheobronchial location include saprophytic, allergic and invasive diseases. Although this review is focused on invasive Aspergillus tracheobronchial infections, some aspects of allergic and saprophytic tracheobronchial diseases are also discussed in order to present the whole spectrum of tracheobronchial aspergillosis. To be consistent with clinical practice, an approach basing on specific conditions predisposing to invasive Aspergillus tracheobronchial infections is used to present the differences in the clinical course and prognosis of these infections. Thus, invasive or potentially invasive Aspergillus airway diseases are discussed separately in three groups of patients: (1) lung transplant recipients, (2) highly immunocompromised patients with hematologic malignancies and/or patients undergoing hematopoietic stem cell transplantation, and (3) the remaining, less severely immunocompromised patients or even immunocompetent subjects.
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spelling doaj-art-b1ad3c1c68f94bdeb30cbd03a9f1bb272025-02-03T01:25:31ZengWileyThe Scientific World Journal1537-744X2011-01-01112310232910.1100/2011/865239865239Tracheobronchial Manifestations of Aspergillus InfectionsRafal Krenke0Elzbieta M. Grabczak1Department of Internal Medicine, Pneumonology and Allergology, Medical University of Warsaw, 02-097 Warsaw, PolandDepartment of Internal Medicine, Pneumonology and Allergology, Medical University of Warsaw, 02-097 Warsaw, PolandHuman lungs are constantly exposed to a large number of Aspergillus spores which are present in ambient air. These spores are usually harmless to immunocompetent subjects but can produce a symptomatic disease in patients with impaired antifungal defense. In a small percentage of patients, the trachea and bronchi may be the main or even the sole site of Aspergillus infection. The clinical entities that may develop in tracheobronchial location include saprophytic, allergic and invasive diseases. Although this review is focused on invasive Aspergillus tracheobronchial infections, some aspects of allergic and saprophytic tracheobronchial diseases are also discussed in order to present the whole spectrum of tracheobronchial aspergillosis. To be consistent with clinical practice, an approach basing on specific conditions predisposing to invasive Aspergillus tracheobronchial infections is used to present the differences in the clinical course and prognosis of these infections. Thus, invasive or potentially invasive Aspergillus airway diseases are discussed separately in three groups of patients: (1) lung transplant recipients, (2) highly immunocompromised patients with hematologic malignancies and/or patients undergoing hematopoietic stem cell transplantation, and (3) the remaining, less severely immunocompromised patients or even immunocompetent subjects.http://dx.doi.org/10.1100/2011/865239
spellingShingle Rafal Krenke
Elzbieta M. Grabczak
Tracheobronchial Manifestations of Aspergillus Infections
The Scientific World Journal
title Tracheobronchial Manifestations of Aspergillus Infections
title_full Tracheobronchial Manifestations of Aspergillus Infections
title_fullStr Tracheobronchial Manifestations of Aspergillus Infections
title_full_unstemmed Tracheobronchial Manifestations of Aspergillus Infections
title_short Tracheobronchial Manifestations of Aspergillus Infections
title_sort tracheobronchial manifestations of aspergillus infections
url http://dx.doi.org/10.1100/2011/865239
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