Background. Because of the chronic and relapsing nature of inflammatory bowel disease (IBD), which often requires characterization with CT scan, IBD patients might be exposed to a large amount of radiation. As a cumulative effective dose (CED) ≥ 100 mSv is considered significant for stochastic risks of cancer, it is important to monitor and control the radiation exposure of the IBD patients. In the present work, we aimed to quantify the mean CED in IBD patients to assess any harmful effects of radiation. Methods. This study includes 200 IBD patients, identified retrospectively, from the outpatient clinics of the Centre Hospitalier de l’Université de Montréal between January 1, 2010, and February 15, 2017, from the gastroenterologists’ patients lists. The number and type of each radiology test performed were listed for each patient during the study period and the CED was calculated using our institution’s dose index when available and standardized tables. Results. Among the 200 IBD patients, 157 patients had Crohn’s disease (CD), 41 had ulcerative colitis (UC), and 2 had indeterminate colitis. The mean CED for IBD patients was 23.1 ± 45.2 mSv during a mean follow-up duration of 4.3 years. CED was higher among patients with CD than with UC (27.5 ± 49.5 versus 6.8 ± 14.8 mSv; p<0.01). Six patients were exposed to a high CED (>100 mSv) and all had CD. Conclusion. While potentially harmful levels of radiation exposure are of concern in only a small number of patients, strategies to limit such exposure are encouraged when clinically appropriate.
Cronkhite-Canada syndrome is a rare syndrome consisting of extensive gastrointestinal polyposis and ectodermal changes including cutaneous hyperpigmentation, alopecia, and onychodystrophy. We report the case of a 45-year-old Caucasian male patient who failed multiple treatments over 2 years including steroids, azathioprine, adalimumab, and cyclosporine. He had recurrent and prolonged hospitalizations because of diarrhea, abdominal pain, weight loss, and malnutrition. Sirolimus was initiated with a significant clinical and endoscopic benefit apparent within, respectively, 2 and 8 weeks. An ongoing remission was achieved and maintained for over 6 months after prednisone tapering. We review the current evidence on treatment of Cronkhite-Canada syndrome and suggest the incorporation of sirolimus in that algorithm.
Background The most feared complication of videocapsule endoscopy (VCE) is retention in the intestine. It is estimated to occur in 1.4% of cases but the risk factors are not well known. Aims To determine the prevalence of VCE retention at a tertiary care centre as well the associated risk factors. Methods Retrospective study between 2016 and 2019. All patients at a tertiary care centre undergoing VCE were recruited. The patients with an incomplete endoscopy report or who were unable to complete VCE were excluded. Clinical and endoscopic information was compiled from patients’ medical charts as well as the indications and results of the endoscopic procedure. VCE retention, evaluated by radiography or CT scan, was defined as persistence of the videocapsule in the gastrointestinal tract for ≥14 days or the need for an intervention for removal. Results In total, 126 patients underwent VCE (average age: 66±16, 52% female). There was 6% of patients with Crohn’s disease, and 40% of patients had a previous abdominal surgery. The indications for endoscopy were: iron deficient anemia (48%), gastrointestinal bleeding (32%), suspicion/follow up of IBD (10%), and other (11%). The VCE findings (n=146) were: angiodysplasia (30%), inflammation (30%), normal (20%), polyp (5%), and other (15%). 77% of results were not previously found by conventional endoscopy or imaging. The prevalence of VCE retention was 1.6%. The patient risk factors for retention were Crohn’s disease (OR 19.67; 95CI 1.09–354.11; p<0.05) and corticosteroid use in the previous 2 weeks (OR 19.67; 95CI 1.09–354.11; p<0.05). There was no risk of retention associated with ulcerative colitis, sex, abdominal surgery, or opioid use. The finding of stenosis on VCE was associated with an increased risk of retention (OR 123; 95% CI 4.11-3683.43; p<0.01). Conclusions VCE retention remains a rare complication. There is increased risk of retention in patients with known Crohn’s disease or recent use of corticosteroids. Funding Agencies None
Thrombotic complications figure among the most frequent causes of mortality in diabetic ketoacidosis (DKA) and hyperosmolar state. We report the case of a 55-year-old woman presenting with DKA whereby a newly discovered patent foramen ovale was found due in part to the observation of bilateral deep vein thrombosis in legs, bilateral multiple pulmonary embolisms, and left subclavian acute artery thrombosis. Diabetes is known as a hypercoagulability state, and DKA is rising as a risk factor for vascular events. The importance of prophylactic anticoagulation should be emphasized in this setting.
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