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Background: The identification of early prognostic factors during Crohn's disease (CD) remains needed for physician decision-making to minimize structural bowel damage, which this study aimed to assess in a population-based setting., Methods: All incident cases of CD were prospectively registered from 1994 to 1997 in Brittany, a limited area of France. All charts of patients were reviewed from the diagnosis to the last clinic visit in 2015. Disabling CD course was defined according to the Saint-Antoine criteria., Results: Among the 331 incident cases of CD, 272 (82%) were followed-up for a median time of 12.8 years. The cumulative probability of developing stricturing or fistulizing CD was 66% at 15 years, and 107 (39%) patients underwent surgery. The cumulative probabilities of immunosuppressant and TNF antagonist use at 15 years were 37% and 22%, respectively. The cumulative risks for disabling disease and bowel damage were 74% and 71% at 15 years, respectively. Systemic symptoms and perianal lesions at diagnosis were independently associated with a disabling disease course. Perianal disease and short disease extension were associated with the onset of bowel damage. Deep ulcers was not predictive of any outcome., Conclusions: A disabling disease course and bowel damage occurred early in the course of CD, which suggests the need for early diagnosis and early treatment, particularly for patients with systematic symptoms and perianal disease., Competing Interests: Declaration of Competing Interest ALM, AD, LBH, KC, CB, and CB received lecture fees from IPSEN. CR, BB, and LS received lecture fees from Abbvie, Amgen, Ferring, Janssen, MSD, and Takeda and consultant fees from Takeda. GB received lecture fees from Abbvie, Ferring, MSD, Takeda and Pfizer and consultant fees from Takeda, Janssen, Mylan, and Abbvie. VB and AN declared no conflict of interest., (Copyright © 2022 Elsevier Masson SAS. All rights reserved.)

Aim: This study was designed to ascertain the perception of patients (and their parents) followed-up for inflammatory bowel disease (IBD) concerning the transition from pediatric to adult care., Patients and Methods: Forty-eight youths with IBD who had transited from pediatric to adult care were surveyed. Their age at transition was 17.9+/-0.9 years. Thirty-four patients (71%) had been referred to a gastroenterologist working in the same hospital and, in 27 cases, after having attended a joint pediatric-adult care visit., Results: The response rate was 71%. Twenty-nine patients (85%) and 25 parents (74%) felt they were ready to transit into adult care. Seven patients (22%) and 10 parents (32%) were apprehensive about transition to adult gastroenterology. All patients considered the joint medical visit beneficial in terms of transmitting information from their medical records and 93% considered it beneficial for building confidence in the new gastroenterologist. All parents considered the joint medical visit helpful for building the children's confidence in their new doctor. At the time of the survey, 29 patients (85%) were continuing to be followed-up by the same gastroenterologist., Conclusion: Effective planning, including a joint medical visit, enabled successful, well-coordinated transition to adult medical-care follow-up.

Introduction: The risk of complications and the severity of pancreatic trauma depend on the status of the main pancreatic duct. Endoscopic retrograde pancreatography (ERCP) has emerged as the technique of reference for assessing pancreatic ductal anatomy, and it also permits therapeutic intervention by the endoscopic placement of an endoprosthesis., Case: We report a pancreatic fistula attributable to posttraumatic rupture of the main duct, undiagnosed before ERCP and successfully treated by endoscopic stent placement., Discussion: ERCP has emerged as a tool for both diagnosis and treatment. Major traumatic pancreatic duct disruptions can be diagnosed more easily and managed successfully by endoscopic stent placement, thereby avoiding surgical morbidity. ERCP is impractical in emergency settings for many reasons. Magnetic resonance pancreatography may be useful for establishing the type and extent of pancreatic lesions and for selecting patients for endoscopic treatment.

The occurrence of associated intraperitoneal and retroperitoneal colonic perforation is uncommon after colonoscopy. We report a case of this complication revealed by subcutaneous emphysema, pneumomediastinum, pneumoperitoneum and retro-pneumoperitoneum after colonic mucosectomy.

Unlabelled: Accuracy of preoperative imaging methods for the diagnosis of intraductal papillary mucinous tumor of the pancreas (IPMT) is not well known., Aims: To compare diagnostic accuracy of various preoperative imaging methods with pathology data following surgical resection., Patients and Methods: Fourteen consecutive patients underwent pancreatic surgical resection for IPMT between January 1988 and May 2002. Imaging methods included endoscopic retrograde cholangiopancreatography and/or magnetic resonance cholangiopancreatography and/or endoscopic ultrasonography. Results of preoperative morphological examinations were compared with histopathological findings from surgical specimens., Results: IPMT was located to the pancreatic head or body in 72% of patients and involved the main pancreatic duct (MPD) in 79% of cases Carcinoma was diagnosed in 35% of the cases. Sensitivity of imaging methods varied from 64 to 80% to accurately locate the tumor and from 73 to 80% in distinguishing between types involving the MPD or the accessory ducts. Planned surgical resection based on preoperative imagery correlated with final surgery in 57% of the patients. Histological study of whole pancreas specimens revealed lesions in undilated ducts, and also dilated ducts without histological lesions., Conclusion: The sensitivity of preoperative imaging methods is moderate in defining intraductal extension of IPMT. Duct dilatation is not predictive of histological involvement by tumors and ducts may be pathological without dilatation.

Aim: Rapid urease tests are commonly used to establish the diagnosis of Helicobacter pylori infection during upper endoscopy. The aim of this study was to evaluate the performance of a new rapid urease test (Pronto Dry) compared with histology as the gold standard., Methods: Six gastric biopsies (three in the antrum and three in the fundus) were performed in 113 consecutive patients. Eighteen patients were later excluded from analysis because they did not fulfil the inclusion criteria. Four biopsies were examined by two experienced pathologists blinded to the rapid urease tests. Two biopsies (one from antrum and one from the fundus) were pooled for the rapid urease test which was read by the endoscopist 5 and 30 minutes later using the color scale (yellow, pink, orange, dark pink, fuchsia) provided by the manufacturer., Results: According to the histology findings 32 of the 95 patients retained for analysis (33.7%) were positive for Helicobacter pylori. Considering that a positive test was indicated by the dark pink or fuchsia colors, sensitivity and specificity of Pronto Dry were 62.5% and 98.4% at 5 minutes and 84.4% and 98.4% at 30 minutes respectively. Twenty-one of the 28 positive rapid urease tests (75%) were already positive at 5 minutes., Conclusion: Considering positive tests are indicated solely by the two darkest colors on the color scale, the performance of Pronto Dry is similar to that of other rapid urease tests. The rapid results provided by Pronto Dry in routine practice would seem to provide obvious advantages.

Non-steroidal anti-inflammatory drugs (NSAIDs) reduce prostaglandin synthesis by inhibiting cyclo-oxygenase 1 (COX-1) and/or cyclo-oxygenase 2 (COX-2). Different groups of NSAIDs, defined by their action on either COX-1 or COX-2, have been developed. Whether intestinal toxicity of preferential or selective COX-2 inhibitors is reduced compared with that of standard NSAIDs is controversial. We report the cases of two patients with self-limited colitis induced by preferential COX-2. We discuss the mechanisms of intestinal toxic effects of COX-2 preferential inhibitors from endoscopic and histological features of colitis.

We describe a case of Whipple's disease confirmed by clinical, histological, bacteriological and molecular criteria. The duodenal involvement was associated with the presence of an endoscopic and histological enterocolitis. Final diagnosis of small bowel and colonic involvement by Whipple's disease was confirmed by histology and molecular biology. We review the literature on extra duodenal involvement. We underline the fact that enterocolitis in Whipple's disease is non-specific. We also discuss the other causes of intestinal mucosal infiltration by macrophages.

Involvement of the gastrointestinal tract is frequently reported among the extranodal sites of non-Hodgkin's lymphoma, but primary lymphoma of the common bile duct is extremely rare. We report the case of a 29-year-old man who presented with obstructive jaundice, leading to the diagnosis of high-grade primary non Hodgkin's T-cell lymphoma, originating from the extrahepatic biliary tract, and confirmed by endosonography and magnetic resonance cholangiography. This patient was treated by sequential chemotherapy without resection and remained in complete remission after one year.

Aim: To evaluate in a prospective study the prognostic factors of recurrent bleeding and mortality in patients presenting with high risk peptic ulcer bleeding routinely treated by endoscopic hemostasis., Patients and Methods: A multicenter study was carried out in 8 Western French hospitals in 144 patients with gastrointestinal bleeding peptic from ulcer type I or IIa, b as defined by Forrest classification. Thirty four and 38 parameters were studied respectively in order to predict recurrent bleeding and death. Significant predictive factors (P < 0.1) in univariate analysis were entered in a multivariate logistic regression analysis., Results: Endoscopic hemostasis was performed in 108 of 144 cases (75%). Recurrent bleeding and death occurred in 39 (28%) and 22 cases (15%), respectively. By multivariate analysis, the only predictor of rebleeding was hypovolemia at admission. Predictors of death were ASA score, cardiovascular Goldman score and recurrent bleeding. In this study, prevalence of Helicobacter pylori infection was low (41%) but was not a predictive factor., Conclusions: In a selected population of peptic ulcer bleeding patients with high risk of rebleeding, prevalence of recurrent bleeding and death remains rather high, despite routine endoscopic hemostasis. In the era of endoscopic hemostasis, clinical parameters remain the best prognostic factors of peptic ulcer bleeding outcome.

Objectives: The aim of the study was to determine the incidence and the main clinical data of inflammatory bowel disease in Brittany., Methods: According to EPIMAD registry's methodology, private and public gastroenterologists (n = 139) of Brittany (2836418 inhabitants) referred all patients consulting for the first time, in 1994 and 1995 with clinical symptoms compatible with inflammatory bowel disease. An interviewer practitioner completed at the gastroenterologist's consulting room a standard questionnaire for each patient. Each case was reviewed separately by four experts to assign a diagnosis of definite, probable, possible Crohn's disease, ulcerative colitis, unclassifiable chronic colitis, or acute colitis (onset of symptoms < 6 weeks)., Results: 657 cases were recorded: 205 Crohn's disease (31%), 165 ulcerative colitis (25%) including 75 ulcerative proctitis (46%), 42 unclassifiable chronic colitis (7%), 245 acute colitis (37%). The crude mean annual incidence (per 10(5) inhabitants) based on definite and probable cases only was 2.8 for Crohn's disease and 2.9 for ulcerative colitis. The female/male ratio was 0.9 for Crohn's disease and 0.5 for ulcerative colitis. The median age at time of diagnosis was 27 for Crohn's disease and 36 for ulcerative colitis. The median time between onset of symptoms and diagnosis was equal to 3 months for Crohn's disease and ulcerative colitis., Conclusion: In Brittany the observed incidence of ulcerative colitis is similar to that of Crohn's disease and close to that observed in northern France. The incidence of Crohn's disease is lower. However, the real incidence of inflammatory bowel disease is currently underestimated due to the large number of acute colitis requiring a follow up and the cases of Crohn's disease classified as possible not taken into account.

Objectives: Multiplex family studies have excluded chromosome 6 as a candidate gene of susceptibility to inflammatory bowel disease. However, one recent study suggested that a gene involved in the pathogenesis of Crohn's disease is located on chromosome 6 confering to a microsatellite allelic combination (a2, b1, c2, d4, e1) a strong genetic risk factor in Crohn's disease. The aim of our study was to determine simultaneously the polymorphisms of the TNF microsatellites and of the genes coding for TNF synthesis in patients with inflammatory bowel disease., Patients and Methods: Sixty patients with ulcerative colitis, 100 patients with Crohn's disease were compared to 64 healthy ethnically matched controls. Five TNF microsatellite loci (a, b, c, d, e) were typed using polymerase chain reaction PCR, and two dimorphisms of TNF alpha and TNF beta (intron 1) were studied by restriction fragment length polymorphism (RFLP)., Results: Allelic frequencies of TNF microsatellites and of TNF alpha and beta genes were similar in Crohn's disease, ulcerative colitis and controls. Five loci microsatellite haplotypes, especially a2 b1 c2 d4 e1 allelic combination, were not more frequent in Crohn's disease (25%) compared to ulcerative colitis (27%) or controls (20%). Subgroups stratification according to clinical characteristics did not modify haplotype frequencies. Analysis of our data taking simultaneously into account the MHC alleles (DRB*01 or DRB1*04) did not modify our data; however, it suggested that extended haplotype on short arm of chromosome 6 differed between patients and controls. Linkage disequilibrium (delta = -360.10(-4); P < 0.01) between a2, b1, c2, d4, e1 allelic combination and DRB1*04 allele was observed only in Crohn's disease., Conclusion: Percentages of patients with Crohn's disease or ulcerative colitis carrying TNF microsatellite or TNF alpha and beta gene haplotypes were similar to those of healthy controls. These data argue against involvement of the TNF locus without exclusion of short arm of chromosome 6 implication in Crohn's disease pathogenesis.

Hyperplastic polyps are the most common type of colorectal polyps. They are usually multiple and localized in the rectosigmoid area. They are easily recognized by their small size (< 10 mm), sessile form, smooth-surface and translucid appearance. Typically, these polyps have no malignant potential. We report the case of a 68-year-old man who had multiple rectosigmoid polyps, some of them having macroscopic features of adenomatous polyps. Because of the occurrence of bleeding after endoscopic polypectomy of two polyps corresponding to adenomas at examination, because of the multiplicity of these polyps and their localization in diverticulosis, a left colectomy followed by coloanal anastomosis was performed. Histologic examination of the surgical specimen revealed the hyperplastic nature of all polyps with, in two of them, a focus of adenomatous tissue.