Abstract
Background
Bloating is one of the most bothersome symptoms of irritable bowel syndrome (IBS), but its association with other symptoms is not well described.
Aims
We investigated the association between symptoms of abdominal bloating, other IBS symptoms, psychological distress, and comorbid pain conditions.
Methods
We conducted a cross-sectional study on a large cohort of IBS patients with and without symptoms of abdominal bloating and healthy controls. Subjects were assessed for IBS and its subtypes, pain severity, symptoms severity, psychological disturbances, comorbidities, and dietary restrictions of three fluid groups.
Results
A total of 484 subjects were investigated. Compared with IBS − B, IBS + B subjects had higher rates of constipation (30% vs. 15%, p = 0.191) and lower rates of diarrhea, (70% vs. 85%, p = 0.191) although these were not statistically significant. Bloating severity correlated with IBS symptoms severity (r = 0.397, p = 0.000), pain severity (r = 0.364, p = 0.000), and both anxiety and somatization scores (r = 0.167, p = 0.015 and r = 0.219, p = 0.001, respectively). Prevalence of fibromyalgia and depression and somatization scores was significantly higher in IBS with bloating than in IBS without bloating. IBS patients with bloating reported more dietary restriction of three fluid groups to control their symptoms compared with healthy controls and IBS patients without bloating.
Conclusions
Abdominal bloating in IBS is associated with increased symptoms and pain severity, somatization, depression, fibromyalgia, and altered dietary fluids composition. Recognizing and addressing these factors in the diagnosis and management of patients with IBS may improve clinical outcome.
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Abbreviations
- GI:
-
Gastrointestinal
- HC:
-
Healthy controls
- IBS:
-
Irritable bowel syndrome
- IBS − B:
-
Irritable bowel syndrome without bloating
- IBS + B:
-
Irritable bowel syndrome with bloating
- IBS-C:
-
Constipation-predominant irritable bowel syndrome
- IBS-D:
-
Diarrhea-predominant irritable bowel syndrome
- TMJ:
-
Temporomandibular joint
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Acknowledgments
This work was performed in partial fulfillment of the requirements for a PhD degree of Keren Hod, Sackler Faculty of Medicine, Tel Aviv University, Israel.
Funding
None for the design, funding, conduction, analysis, interpretation, and writing of this study. The collection of the dataset used in this study was supported by GSK.
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Hod, K., Ringel, Y., van Tilburg, M.A.L. et al. Bloating in Irritable Bowel Syndrome Is Associated with Symptoms Severity, Psychological Factors, and Comorbidities. Dig Dis Sci 64, 1288–1295 (2019). https://doi.org/10.1007/s10620-018-5352-5
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DOI: https://doi.org/10.1007/s10620-018-5352-5