Inflammatory Bowel Disease Clinical Trial
Official title:
Pulmonary Inflammation in Children With Inflammatory Bowel Disease as Expressed by the Fraction of Exhaled Nitric Oxide Levels and Spirometry
The purpose of this study is to determine whether inflammatory bowel disease in children involve the respiratory tract as expressed by increased levels of the Fraction of exhaled Nitric Oxide (FeNO) and spirometry.
Inflammatory bowel disease, Crohn's disease (CD) and Ulcerative colitis (UC) are chronic
inflammatory diseases with remissions and exacerbations. CD and UC are associated with a
variety of systemic (extra-intestinal) manifestations. In some studies, clinical and
subclinical pulmonary abnormalities are described in active IBD as well as in the stable
situation.
Nitric oxide (NO) is an important mediator of inflammation in several pathological
conditions.Patients with lung diseases, like asthma, have higher levels of the Fraction of
exhaled Nitric Oxide (FeNO) in active disease in comparison with healthy volunteers. One
study in adult IBD patients showed increase in FeNO levels in those patients, with positive
correlation with the disease activity and negative correlation between the disease activity
and pulmonary functions.
We hypothesised that respiratory tract inflammation as expressed by FeNO and spirometry in
pediatric IBD patients will correlate to the activity of the primary disease.
Methods: FeNO levels and spirometry will be assess for 40 patients with CD or UC (age 4-18
years) during remissions and exacerbations, calculated by the Pediatrics Crohn's Disease
Activity Index (PCDAI) and the Pediatrics Ulcerative Colitis Activity Index (PUCAI),
respectively.
Two aged matched groups, the first of healthy children and the second of chronic abdominal
pain will serve a controls.
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