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Pulmonary Function Tests in Ulcerative Colitis



Amra B1 ; Ataabadi G1 ; Emami MH1 ; Hassanzadeh A2 ; Golshan M3 ; Soltaninejad F4
Authors
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Authors Affiliations
  1. 1. Department of Internal Medicine, Respiratory Disease Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Epidemiology and Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Bamdad Respiratory Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Shahrekord University of Medical Sciences, Shahrekord, Iran

Source: Journal of Research in Medical Sciences Published:2014

Abstract

Background: Pulmonary impairment in patients suffering ulcerative colitis (UC) has been suggested by several investigators using standard pulmonary function tests (PFTs). This changes in pulmonary function associated with minimal respiratory symptoms have been documented, especially in patients with active disease. The aim of this prospective study was to determine airway resistance and lung volumes in patients with UC who have no respiratory symptoms in comparisons to a healthy control group. Materials and Methods: We evaluated a total of 30 patients with UC by means of spirometry, body plethysmography, and impulse oscillometry. The patients were not complaining of any pulmonary symptoms and did not present any history of previous respiratory diseases. As controls we examined 30 healthy subjects matched for gender, age, and smoking status. The relationship between PFT, lung volume, and airway resistance; and the activity, localization, and duration of the UC disease were analyzed. Results: There was a significant difference between airway resistances (kPa/L/s) measured by body plethysmography in patients with UC and those of the controls (R5hz; 0.60 ± 0.44 vs. 0.39 ± 0.13; P < 0.001) and R20hz (0.37 ± 0.19 vs. 0.29 ± 0.1, P = 0.02). There were no correlation between PFT, airway resistance and site and scoring activity (P > 0.05). Conclusion: Despite the lack of pulmonary symptoms, increased airway resistance was found in UC patients. We also have not found correlation between PFT, lung volume and airway resistance values and scoring of UC activity. © 2014 Isfahan University of Medical Sciences(IUMS). All rights reserved.
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