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Depression in children with asthma: Testing a cholinergically mediated "endotype".

Heather K Lehman1, Beatrice L Wood2,3, Quratulain Humayun2,3

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The Journal of Allergy and Clinical Immunology. Global
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Summary
This summary is machine-generated.

Children with asthma and depression symptoms show increased airway responsiveness to anticholinergic medication. This suggests a potential asthma endotype benefiting from these therapies.

Keywords:
Pediatric asthmaanticholinergic medicationsasthma endotypecholinergicdepressionvagal bias

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Area of Science:

  • Pediatric Pulmonology
  • Child Psychiatry
  • Medical Research

Background:

  • Asthma comprises diverse endotypes, requiring tailored treatments.
  • Comorbid depression in asthma patients increases morbidity and mortality.
  • Depression in childhood asthma links to parasympathetic/cholinergic overactivity, affecting airways.

Purpose of the Study:

  • To investigate if depressive symptoms in children with asthma correlate with cholinergically mediated disease.
  • To determine if these children respond differently to short-acting anticholinergic therapy.

Main Methods:

  • 39 children (7-17 years) with asthma and airway obstruction were assessed.
  • Depressive symptoms measured using the Children's Depression Inventory.
  • Airway function response to ipratropium, inflammation markers (FeNO, eosinophils), and atopy were evaluated.

Main Results:

  • A significant positive correlation found between depressive symptoms and improved FEV1 post-ipratropium (rs = 0.344; P = .032).

Conclusions:

  • Increased depressive symptoms in children with asthma are linked to greater airway responsiveness to ipratropium.
  • This suggests a distinct asthma endotype characterized by comorbid depression.
  • This endotype may benefit from anticholinergic asthma treatments.