نتایج جستجو برای: total colonic agangelionosis
تعداد نتایج: 823716 فیلتر نتایج به سال:
BACKGROUND Acute left-sided colonic obstruction is most often caused by malignancy and the surgical treatment is associated with a high mortality and morbidity rate. Moreover, these operated patients end up with a temporary or permanent stoma. Initial insertion of an enteral stent to decompress the obstructed colon, allowing for surgery to be performed electively, is gaining popularity. In unco...
Vitamin E, the most potent antioxidant in the lipid phase, was tested for antiinflammatory activity in trinitrobenzenesulfonic acid-induced rat colitis. Rats were fed a nonpurified diet (saline and control groups) or a vitamin E supplemented diet (treated group, 300 mg/kg nonpurified diet). Vitamin E supplementation, which resulted in increased colonic vitamin E levels, reduced colonic weight a...
PURPOSE To prove the feasibility of air-distended magnetic resonance colonography (MRC) and compare it with water-based distention. MATERIALS AND METHODS In five volunteers, the colon was imaged twice: once after distending the colon with air and a second time after distending the colon with water. A total of 50 patients, who had been referred to colonoscopy for a suspected colorectal patholo...
BACKGROUND Recurrence and severity of Crohn's disease mucosal lesions after "curative" ileal resection is assessed at endoscopy. Intramural lesions can be detected as increased wall thickness at Small Intestine Contrast Ultrasonography (SICUS). AIMS To assess after ileal resection whether: 1) SICUS detects recurrence of Crohn's disease lesions, 2) the intestinal wall thickness measured at the...
The aim of this study was to evaluate the necessity of urgent barium enema in suspected cases of acute malignant colonic obstruction. We reviewed the medical records and images for 20 patients with suspected acute colonic obstruction. Nine patients were excluded. Computed tomography (CT) and urgent barium enema images for the remaining 11 cases were reviewed and the results were compared with t...
introduction: functional constipation is one of the most common gastrointestinal symptoms which could affect patients’ quality of life. the colonic transit time test could be used for determining functional constipation subtypes. the aim of our study was to determine the abnormalities of the subtypes of functional constipation using ctt. methods and materials: this cross-sectional study was per...
objective(s):the aim of this study was to prepare electrospun nanofibers of celecoxib using combination of time-dependent polymers with pectin to achieve a colon-specific drug delivery system for celecoxib. materials and methods:formulations were produced based on two multilevel 22 full factorial designs. the independent variables were the ratio of drug:time-dependent polymer (x1) and the amoun...
Development of a total colectomy and ileorectal anastomosis rat model to evaluate colonic metaplasia
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