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Scand J Gastroenterol. 2016 Aug;51(8):908-13. doi: 10.3109/00365521.2016.1157890. Epub 2016 May 10.

Extra-intestinal symptoms in patients with irritable bowel syndrome: related to high total IgE levels and atopic sensitization?

Author information

1
a Department of Clinical Medicine , University of Bergen (UiB) , Bergen , Norway ;
2
b Unger-Vetlesen's Institute, Lovisenberg Diaconal Hospital , Oslo , Norway ;
3
c Section of Gastroenterology, Department of Medicine , Haukeland University Hospital (HUH) , Bergen , Norway ;
4
d National Centre for Functional Gastrointestinal Disorders, HUH , Bergen , Norway.

Abstract

Objective We have previously found that high levels of total IgE, but not atopic sensitization, was a significant predictor for functional gastrointestinal (GI) symptoms. In this study, we aimed to assess the prevalence of extra-intestinal symptoms in IBS patients, and explore their relation to total IgE levels and atopic sensitization. Materials and methods Seventy-one patients with functional GI complaints were included. Severity of GI symptoms, fatigue and musculoskeletal pain was evaluated using the following questionnaires: IBS-Severity Scoring System (IBS-SSS), Fatigue Impact Scale (FIS), FibroFatigue Scale (FFS), and Visual Analog Scales (VAS) for musculoskeletal pain. Levels of total IgE and specific IgE-antibodies were analyzed. Results Fatigue and musculoskeletal pain were demonstrated in 78.9 and 43.7% of the patients, respectively. IBS-SSS scores were significantly correlated with fatigue scores and musculoskeletal pain. Patients with fatigue and musculoskeletal pain had significantly higher IBS-SSS scores than patients without fatigue and musculoskeletal pain. Total IgE levels were significantly higher in IBS patients compared to a healthy control group from a previous study. However, neither total IgE nor atopic sensitization was significantly associated with extra-intestinal symptoms. Conclusions IBS, fatigue, and musculoskeletal pain were significantly associated. Total IgE levels were higher in IBS patients than healthy controls, but not related to intestinal or extra-intestinal symptom severity. Atopy was not associated with any of the co-morbidities. Thus, the clinical significance of high IgE levels in IBS remains unclear and further studies are warranted to explore a common underlying mechanism for the co-morbid triad of IBS, fatigue, and musculoskeletal pain.

KEYWORDS:

Atopic sensitization; fatigue; irritable bowel syndrome; musculoskeletal pain; total IgE

PMID:
27161383
DOI:
10.3109/00365521.2016.1157890
[Indexed for MEDLINE]

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