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Bronchial disease in ulcerative colitis

T Higenbottam, G M Cochrane, T J Clark

    Thorax
    |August 1, 1980
    PubMed
    Summary
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    Non-smokers with ulcerative colitis may experience airway inflammation and cough, potentially due to a systemic condition affecting both bronchial and colonic epithelium. Inhaled corticosteroids showed promise in symptom relief.

    Area of Science:

    • Pulmonology
    • Gastroenterology
    • Pathology

    Background:

    • Ulcerative colitis (UC) is a chronic inflammatory bowel disease.
    • Respiratory symptoms are not typically associated with UC, especially in non-smokers.

    Purpose of the Study:

    • To investigate the occurrence and nature of respiratory symptoms in non-smoking patients with ulcerative colitis.
    • To explore potential underlying mechanisms linking airway disease to ulcerative colitis.

    Main Methods:

    • Case series of ten non-smoking patients with ulcerative colitis presenting with productive cough.
    • Clinical assessment, chest radiography, pulmonary function testing, and bronchial biopsies were performed.
    • Treatment response to inhaled beclomethasone dipropionate was evaluated.

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    Main Results:

    • All ten patients had a productive cough; six had normal chest X-rays, and three showed minor obstructive defects.
    • Four patients exhibited exertional dyspnea, abnormal chest X-rays with bilateral pulmonary shadows, and mixed obstructive/restrictive ventilatory defects.
    • Bronchial biopsies revealed basal reserve cell hyperplasia, basement membrane thickening, and submucosal inflammation, characteristic of smoking-related airway disease.

    Conclusions:

    • Airway epithelial disease may occur in association with ulcerative colitis, suggesting a potential systemic mechanism.
    • Inhaled beclomethasone dipropionate provided symptomatic relief for cough in most patients.
    • The findings suggest a link between ulcerative colitis and airway pathology, independent of smoking or sulphasalazine treatment.