[Allergic bronchopulmonary aspergillosis in asthma and cystic fibrosis]

J H L van Hoorn1, J J E Hendriks, E Dompeling

  • 1Academisch Ziekenhuis, afd. Kindergeneeskunde, Postbus 5800, 6202 AZ, Maastricht.

Insights

Diagnosing allergic bronchopulmonary aspergillosis (ABPA) in children with asthma or cystic fibrosis (CF) is challenging. Early ABPA diagnosis and treatment are crucial to prevent long-term lung damage.

Area of Science:

  • Pediatric Pulmonology
  • Infectious Diseases
  • Allergy and Immunology

Background:

  • Allergic bronchopulmonary aspergillosis (ABPA) is a lung disease that occurs in some people with asthma or cystic fibrosis (CF).
  • Early diagnosis and management of ABPA are essential to prevent irreversible lung damage and fibrosis.
  • Treatment strategies for ABPA often involve corticosteroids and antifungal agents, but dilemmas can arise regarding long-term use and efficacy.

Observation:

  • This report details three pediatric cases of ABPA complicating asthma or CF.
  • Case 1: A 14-year-old boy with CF presented with hemoptysis and decreased lung function, improving with prednisone-itraconazole after antibiotic failure.
  • Case 2: A 16-year-old girl with CF and ABPA experienced symptom exacerbation upon prednisone reduction, leading to treatment cessation due to side effects, followed by a recurrence of ABPA.
  • Case 3: A 16-year-old boy with asthma likely had an ABPA episode presenting as an asthma exacerbation.

Findings:

  • The cases highlight the diagnostic difficulties associated with ABPA in pediatric patients with underlying respiratory conditions.
  • Treatment with prednisone and itraconazole showed initial efficacy but also presented challenges, including side effects and potential for recurrence.
  • The importance of considering ABPA in the differential diagnosis of worsening respiratory symptoms in asthmatic or CF patients is underscored.

Implications:

  • Accurate and timely diagnosis of ABPA in children with asthma and CF is critical for effective management.
  • Treatment decisions for ABPA require careful consideration of balancing efficacy with potential side effects and the risk of disease recurrence.
  • Further research into optimal diagnostic and therapeutic strategies for pediatric ABPA is warranted to improve patient outcomes and prevent fibrotic lung disease.

Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...
Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...