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Role of sinusitis in asthma.

B Zimmerman¹, M Gold

¹Adverse Reaction Clinic, Toronto, Canada.

Pediatrician

|January 1, 1991

Summary

Chronic sinusitis may contribute to difficult-to-treat asthma. This study aimed to confirm if treating sinusitis improves asthma outcomes in a placebo-controlled trial, crucial for effective asthma management.

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Area of Science:

Respiratory Medicine
Otolaryngology

Background:

Chronic sinusitis is a potential cause of recalcitrant asthma, though not yet proven in controlled trials.
Radiographic evidence of sinus abnormalities is found in 30-70% of asthma patients.
Airway inflammation in asthma may parallel sinus inflammation, suggesting a link.

Purpose of the Study:

To investigate the causal role of chronic sinusitis in recalcitrant asthma.
To determine if treating chronic sinusitis improves asthma control through a blind placebo-controlled study.

Main Methods:

A blind placebo-controlled study design was employed.
Evaluation of the association between sinusitis and asthma, considering radiologic changes.

Main Results:

The hypothesis linking chronic sinusitis to recalcitrant asthma requires confirmation via controlled studies.
The association between sinus abnormalities and asthma varies based on diagnostic criteria.

Conclusions:

Controlled evidence is needed to establish if sinusitis treatment improves asthma course.
Timely management of airway inflammation is critical for asthma amelioration and preventing airway hyperresponsiveness.

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