Dr. Vivek Kumar

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All Posts Tagged: allergy asthma ABPA HRCT aspergillus

ABPA

ABPA, i.e. Allergic Broncho Pulmonary Aspergillosis is a frequently missed and under diagnosed cause of shortness of breath.

It usually mimics asthma , but is a separate entity. It occurs due to hypersensitivity reactions in lungs to Aspergillus fungus allergen.

Diagnosis:

1. Either Skin prick test to Aspergillus positive, or Specific IgE against Aspergillus fumigatus more than 0.35 IU

2. Total IgE more than 1000.

Types:

Depending on how much lung has been damaged

1. ABPA-S: no damage to lung parenchyma

2. ABPA-CB: Bronchiectasis present

3. ABPA-CB-ORF: apart from Bronchiectasis Other Radiological Features present in chest HRCT

Treatment:

Mainly Oral steroids apart from supportive therapy for concomitant diseases and regular monitoring

Allergen avoidance

Chest physiotherapy

Breathing exercises

LTOT where needed

Immunisation

Patient education on side effects of oral steroids, teaching how to identify early signs, prophylactic measures.

Clue:

Severe asthma not getting controlled on high dose ICS-LABA.

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