Irritable Bowel Syndrome (IBS) was first defined in 1978, and is characterized by abnormal pain, bloating, discomfort and disturbed bowel habits. IBS is a chronic and relapsing gastrointestinal disorder with global prevalence of 5-20% [1-3]. This disorder consists of four subtypes: IBS with constipation (IBS-C), IBS with diarrhea (IBS-D), mixed bowel pattern (IBS-M), and unclassified IBS [1,2]....

INTRODUCTION Small intestinal bacterial overgrowth (SIBO) occurs in varying frequency in irritable bowel syndrome (IBS). We studied the frequency of SIBO in IBS and chronic non-specific diarrhea (CNSD). METHODS 129 patients with IBS (Manning's criteria), 73 with CNSD (>/= 4 weeks diarrhea with two of these tests normal [urine D-xylose, fecal fat and duodenal biopsy]) and 51 healthy controls (...

BACKGROUND/AIMS Irritable bowel syndrome (IBS) is one of the most common functional gastrointestinal disorders and when compared to the vast knowledge pertaining to adults with IBS, very little is known about IBS in children and adolescents. We aimed to explore the prevalence of IBS, identify symptoms and contributing factors and also to examine the efficacy of trimebutine maleate in children a...

AIM To measure the leptin levels in patients with diarrhea-predominant irritable bowel syndrome (IBS-D) and analyze the relationship of leptin with clinical features, visceral sensitivity, mast cells, and nerve fibers. METHODS Forty-two patients with IBS-D fulfilling the Rome III criteria and 20 age- and sex-matched healthy controls underwent clinical and psychological evaluations using valid...

Blastocystis is one of the most common gut parasites found in the intestinal tract of humans and animals. Its' association with IBS is controversial, possibly as a result of irregular shedding of parasites in stool and variation in stool detection. We aimed to screen for Blastocystis in colonic stool aspirate samples in adult patients with and without IBS undergoing colonoscopy for various indi...

BACKGROUND The frequency and the perceived intensity of life stressors, coping strategies, and social supports are very important in everybody's well-being. This study intended to estimate the relation of irritable bowel syndrome (IBS) and these factors. MATERIALS AND METHODS This was a cross-sectional study carried out in Isfahan on 2013. Data were extracted from the framework of the study o...

AIM To study the ileal endocrine cell types in irritable bowel syndrome (IBS) patients. METHODS Ninety-eight patients with IBS (77 females and 21 males; mean age 35 years, range 18-66 years) were included, of which 35 patients had diarrhea (IBS-D), 31 patients had a mixture of both diarrhea and constipation (IBS-M), and 32 patients had constipation (IBS-C) as the predominant symptoms. The con...

Irritable bowel syndrome (IBS) is a commonly diagnosed disease characterized by gastrointestinal symptoms that may be associated with psychological illness and emotional problems. The prevalence rate worldwide for IBS ranges from 10 to 20% and is higher for women than for men. IBS imposes a substantial financial burden on both patients and employers because of increased medical costs and decrea...

BACKGROUND Administrative and survey data are two key data sources for population-based research about chronic disease. The objectives of this methodological paper are to: (1) estimate agreement between the two data sources for irritable bowel syndrome (IBS) and compare the results to those for inflammatory bowel disease (IBD); (2) compare the frequency of IBS-related diagnoses in administrativ...