Prevalence of Allergic Bronchopulmonary Aspergillosis in Bronchial Asthma Patients: A Retrospective Observational

Arnab Swain1

  • 1Pulmonary Medicine, Postgraduate Institute of Medical Education and Research and Capital Hospital, Bhubaneswar, IND.

Cureus
|September 25, 2025
PubMed

Insights

Allergic bronchopulmonary aspergillosis (ABPA) affects 14% of asthma patients, often presenting with dyspnea. Early screening using chest imaging and IgE levels is vital for timely treatment.

Area of Science:

  • Pulmonology
  • Allergy and Immunology
  • Medical Diagnostics

Background:

  • Asthma is a chronic airway inflammation exacerbated by fungal allergens like Aspergillus fumigatus.
  • Allergic bronchopulmonary aspergillosis (ABPA) is a severe hypersensitivity reaction in some asthma patients.
  • Understanding ABPA prevalence and characteristics in asthma is crucial for management.

Purpose of the Study:

  • To determine the prevalence of ABPA in bronchial asthma patients.
  • To describe the clinical, radiological, and immunological profiles of asthma patients with ABPA.
  • To evaluate diagnostic utility of imaging and serological markers.

Main Methods:

  • Retrospective observational study over 18 months at a tertiary care hospital.
  • Reviewed data from 100 bronchial asthma patients undergoing pulmonary function testing (PFT).
  • ABPA diagnosis based on serum IgE, specific IgE to A. fumigatus, chest imaging (X-ray, HRCT), and eosinophilia.

Main Results:

  • ABPA diagnosed in 14% of asthma patients; common in 21-30 year olds (69% male).
  • Dyspnea (64%) was the most frequent symptom.
  • ABPA observed across asthma severity spectrum (mild 21%, moderate 7%, severe 11%); chest infiltrates showed high sensitivity but low specificity.

Conclusions:

  • ABPA is present in a significant proportion of asthma patients, necessitating early identification.
  • Chest imaging and serum IgE levels are valuable screening tools for ABPA in asthma.
  • Prompt diagnosis of ABPA impacts treatment strategies and patient outcomes.

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