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Erschienen in:
30.09.2015 | Original Contributions
Increased Prevalence of Irritable Bowel Syndrome in a Cohort of French Morbidly Obese Patients Candidate for Bariatric Surgery
Erschienen in: Obesity Surgery | Ausgabe 7/2016
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Background
Only a few recent reports have suggested a correlation between obesity and irritable bowel syndrome (IBS). We aimed to determine the prevalence and severity of IBS in a prospective cohort of obese patients undergoing bariatric surgery in Nice Hospital (France).
Methods
One hundred obese patients were included prospectively before bariatric surgery. A diagnosis of IBS and each subtype was performed according to Rome-III criteria using a Bristol scale for stool consistency. Patients provided information on IBS-related comorbidities, including chronic fatigue, migraine, lower back pain, gastroesophageal reflux disease (GERD), genitourinary problems, and dyspepsia. Patients completed questionnaires to assess the severity of IBS, GERD, psychological factors (anxiety, depression), fatigue, and quality of life.
Results
Thirty patients fulfilled the Rome-III criteria for IBS. There was no difference in age, gender, or BMI between obese patients with or without IBS. Obese patients with IBS reported a significantly higher prevalence of GERD, migraines, lower back pain, genitourinary problems, chronic fatigue, and dyspepsia. Obese patients with IBS had significant higher scores of fatigue, anxiety, depression, and poorer quality of life. Obese patients that had both IBS and GERD had significantly higher IBS severity scores than those without GERD. In a logistic regression model including BMI, anxiety, depression, gender, and GERD score, only anxiety was significantly and independently associated with IBS.
Conclusions
Thirty percent of obese patients had IBS: its severity was not correlated with BMI. However, anxiety was independently associated with IBS, suggesting that psychological factors are key features of IBS, whatever the presence of obesity.