PURPOSE The aim of the study was to assess the use colonoscopy over time in the assessment of large bowel obstruction in a tertiary university hospital. METHODS Retrospective analysis of surgical and colonoscopy records for the years 1990-2009 in a university hospital. All patients diagnosed with non-conservatively managed bowel obstruction were included. RESULTS We recorded 644 patients di...

BACKGROUND The goal of this study is to examine utilization of early repeat colonoscopy ≤ 6 months after an index procedure. METHODS We identified persons having repeat colonoscopy ≤ 6 months following outpatient colonoscopy without prior colonoscopy ≤ 5 years or prior diagnosis of colorectal cancer (CRC). We modeled repeat colonoscopy using a generalized estimating equation with an exchangea...

Objective. To determine the positive predictive value (PPV) of two versus one abnormal FIT in the detection of colorectal neoplasia in a Canadian population. Methods. Three communities enrolled in a colorectal cancer (CRC) screening pilot program from 01/2009 to 04/2013 using 2 FITs. Data collected included demographics, colonoscopy, pathology, and FIT results. Participants completed both FITs ...

A colonoscopy is performed to identify and/or correct suspected problems of the colon. The test enables a diagnosis to be made and specific treatment(s) suggested. Polyps or other lesions found during the exam may be removed or destroyed at that time, eliminating the need for a major operation later. If a bleeding site is identified, treatment can be administered to stop the bleeding. Other tre...

background this study aimed to determine the common etiologies and character­istics of lower gastrointestinal (gi) bleeding in children from southern iran. methods this five-year prospective cross-sectional study was performed from march 2006 to march 2011 in nemazee hospital. all pediatric patients (<18 years of age) who referred to our center with visible lower gi bleed­ing or two consecutive...

ulcerative colitis is associated with several malignancies. here we report one such association, a rare one, with papillary thyroid carcinoma, and discuss the possible risk factors of such an association.

GOALS To assess whether endoscopist fatigue adversely affects the adenoma detection rate (ADR) during screening colonoscopy. BACKGROUND Endoscopist fatigue may affect the ADR during colonoscopy; however, this association has not been directly studied. STUDY A prospective, multi-center study was performed on screening colonoscopies performed for asymptomatic subjects between March 2012 and D...

Background—A multicentre randomised controlled trial to evaluate screening by “once only” flexible sigmoidoscopy (FS) for prevention of bowel cancer is in progress. Aims—To pilot the trial protocol examining rates of attendance, yield of neoplasia, and adverse eVects. Subjects—A total of 3540 subjects aged 55–64 years in Welwyn Garden City (WGC) and 19 706 in Leicester (LE). Methods—Subjects re...

BACKGROUND A multicentre randomised controlled trial to evaluate screening by "once only" flexible sigmoidoscopy (FS) for prevention of bowel cancer is in progress. AIMS To pilot the trial protocol examining rates of attendance, yield of neoplasia, and adverse effects. SUBJECTS A total of 3540 subjects aged 55-64 years in Welwyn Garden City (WGC) and 19,706 in Leicester (LE). METHODS Subj...