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Aim: It is still debated whether clinical flare-ups of chronic inflammatory bowel disease follow a seasonal pattern, and the various reports are based on general practitioners’ records or hospital discharge charts. There are, however, no specific figures for treatment in hospital gastroenterology units, which serve as a reference point for these disorders. This study was therefore designed to investigate whether there is a seasonal pattern in admissions for inflammatory intestinal disease in Italy, differing from what is generally known about gastrointestinal pathologies, since there are no nation-wide figures on the subject. Methods: The RING (Ricerca Informatizzata in Gastroenterologia) project is an observational study collecting hospital discharge forms from 22 centers in Italy. Results: From winter 2000 to autumn 2003, the 22 gastroenterology units participating in the RING project discharged 32,357 patients following ordinary hospital admissions. Of these, 2,856 (8.8%) had a main diagnosis of inflammatory bowel disease: 1,541 Crohn’s disease, and 1,315 ulcerative colitis. No seasonal patterns were detected for either category, or when the analysis was done by age, sex and site of disease. Conclusions: The most serious flare-ups of inflammatory bowel disease, i.e. those requiring routine hospital treatment, do not appear to follow any seasonal pattern, regardless of the site of the disease or the patient’s age or sex.

A case of systemic amyloidosis of the digestive tract is described here, with particular attention to the endoscopic ultrasonography aspects, characterized by a wide-spread thickening of the stomach and rectum walls, with loss of the normal layer structure of the mucosa and submucosa. Endoscopic ultrasonography, especially in pseudotumoral forms, may contribute to the differential diagnosis from neoplastic lesions, in which the wall thickening appears to be localized and accompanied by parietal infiltration.

Summary Aim : To explore the management of chronic inflammatory bowel disease, specifically Crohn's disease and ulcerative colitis, in Italian gastroenterology units. Methods : The RING (Ricerca Informatizzata in Gastroenterologia) project is an observational study collecting hospital discharge forms from 56 centres. Factors associated with the length of hospital stay were studied using multivariate logistic regression. Results : In 24 months starting from August 2000, out of 29 376 hospital discharge forms, 2131 (7.3%) were collected for inflammatory bowel disease (1163 for Crohn's disease and 968 for ulcerative colitis). The Crohn's disease and ulcerative colitis groups were compared according to demographic characteristics, diagnoses, procedures and hospital stay. In Crohn's disease, computed tomography/magnetic resonance imaging, x‐rays/barium enema, number of procedures and number of diagnoses were significantly associated with a hospital stay longer than 10 days. In ulcerative colitis, this association was found for parenteral nutrition, malnutrition, computed tomography/magnetic resonance imaging and number of procedures. Conclusions : Crohn's disease was confirmed as a disabling disorder requiring more frequent hospital treatment than ulcerative colitis. For the latter, parenteral nutrition and malnutrition were related to a longer hospital stay. The number of procedures, especially abdominal computed tomography/magnetic resonance imaging, was a major item for both pathologies.