background: there are many preparation regimens for bowel cleansing. given their adverse effects, none of them have been considered perfect by the endoscopists. the aim of this study was to compare the effects of two bowel cleansing regimens on clean colonic preparation the subjects'well being and electrolyte balance. materials andmethods: atotal number of 280 patients were randomly assigned to...

background and aims: in diagnosing inflammatory bowel disease, one of diagnostic way is upper gastrointestinal endoscopy, which helps in differential diagnosis of unspecified colitis as well. the aim of this study was to investigate the necessity of upper gastrointestinal endoscopy in patients with inflammatory bowel disease.   materials and methods: in this descriptive cross-sectional study, 3...

During video capsule endoscopy (VCE), several factors, such as air bubbles, food material in the small bowel, and delayed gastric and small bowel transit time, influence diagnostic yield, small bowel visualization quality, and cecal completion rate. Therefore, bowel preparation before VCE is as essential as bowel preparation before colonoscopy. To date, there have been many comparative studies,...

Colonoscopy is an important screening and therapeutic modality for colorectal cancer. Unlike other screening tests, colonoscopy is dependent on pre-procedure bowel preparation. If the bowel preparation is poor, significant pathology may be missed. Many factors are known to improve bowel preparation. This review will highlight those factors that may optimize the bowel preparation, including choi...

Small bowel obstructions are most frequently caused by hernias or adhesive bands. However, there have been several rare reported cases of mechanical small bowel obstructions caused by loops of bowel or vascular bands. We describe a case of a 30-year-old woman with a clinical presentation suggestive of appendicitis. Laparoscopic evaluation showed an aberrant vessel looping around the small bowel...

background: minimal bright red bleeding per rectum (mbrbpr) is a common complaint in adult patients. most studies have not been performed in patients with strictly minimal brbpr, and there are no evidence-based recommendations for this group of patients. materials and methods: patients with complaints as small amounts of red blood after wiping or a few drops of blood in the toilet bowl after de...

background: irritable bowel syndrome (ibs) is a very common disorder. some researches have pointed to an interaction between psychiatric disorders and ibs. present study aimed to determine psychiatric disorders in patients with ibs compared to normal controls among an iranian population. materials and methods: all freshmen students (n=3012) of tehran university invited to the study at 2001. a t...

background: irritable bowel syndrome (ibs) with chronic abdominal pain and changes in bowel habits in the absence of any organic cause is identi_ed as the most common known gastrointestinal disorder. ibs affects both sexes and can occur at any age. diagnosis of this disease in younger patients and women is more likely. in the pathophysiology of ibs, hereditary, environmental, visceral, psycholo...

objectives: irritable bowel syndrome (ibs) is a common gastrointestinal disorder. due to its high prevalence and absence of curative therapy, ibs has the potential to create tremendous burden on the health care system. herein, we systematically reviewed the published literature to investigate the epidemiology of ibs in iran. methods: studies that were reviewed in this article were primarily ide...