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Objective: Reduced bone mineral density (BMD) has been reported in ulcerative colitis (UC) patients, but body composition (fat and lean mass) has never been concomitantly studied. We sought to investigate BMD and body composition in a group of UC outpatients with the following characteristics: age 18-60 yr (men) and 18-45 yr (women); no intestinal resection; no immunosuppressive treatment; and regular menstruation., Methods: Whole body and subregional BMD and body composition in 43 UC patients (21 men, 22 women; male mean age, 36.5 [21-57] yr; female mean age, 35.3 [23-45] yr) and 121 healthy volunteers were studied by means of dual X-ray photon absorptiometry., Results: There were no differences in total and subregional BMD, or fat and lean mass between the patients and controls, except that the total and trunk lean mass of the UC women was lower than that in the normal controls. No correlation was found between lifetime steroid intake and BMD., Conclusions: UC outpatients do not differ from normal subjects in terms of BMD and fat mass. Mild and moderate UC does not represent a risk factor for osteopenia.

Objective: To obtain precise data on the prevalence of oral lesions in inflammatory bowel disease (IBD)., Methods: Oral lesions were carefully sought in a consecutive series of 198 Italian IBD outpatients, 77 with Crohn's disease (CD) and 121 with ulcerative colitis (UC); 89 subjects with functional intestinal motility disorders served as controls., Results: The oral lesions detected were angular cheilitis (in 7.8% of CD patients, 5% of UC patients, and 0% of controls (p < 0.05, patients vs controls), lichen (6.5, 5.8, and 3.3%, respectively, p = not significant), aphthous ulcers (5.2, 5.8, and 5.6%, respectively, p = not significant), candidiasis (5.2, 0.8, and 0%, respectively, p < 0.05, CD patients vs controls), benign tumors (5.2, 0, and 7.8%, respectively, p < 0.05, patients vs controls), leukoplakia (5.2, 11, and 3.3%, respectively, p = not significant), and, less frequently, glossitis and herpes labialis. No specific CD oral lesions were observed in this series. No correlation was found between clinical disease activity and frequency of oral lesions., Conclusions: Aphthous ulcers are not common in IBD patients. Oral candidiasis is more frequent in CD than UC patients and controls.

We studied 267 consecutive Italian patients (146 male, 121 female) with Crohn's disease. Median time from the first symptom to diagnosis at our center was 21 months (range 1-372), whereas median follow-up from the first visit was 38 months (range 1-180). The disease affected the small bowel in 93 (35%) cases, the ileum and colon in 76 (28%), and the colon in 98 (37%). Forty-nine percent of the patients underwent major abdominal surgery for the disease at least once. The cumulative probability of abdominal surgery was 36% and 55%, 60 and 120 months after the onset of symptoms, respectively. Univariate analysis indicated that patients with colon involvement (p less than 0.0001), those with a longer interval between first symptom and diagnosis (p less than 0.0001), and those at an older age at diagnosis (p less than 0.0003) had a significantly greater probability of escaping abdominal surgery. The interval between first symptom and diagnosis, the site of disease, and the age at diagnosis were confirmed as risk factors for surgery, in decreasing order of importance, by multivariate analysis with Cox's proportional hazard model. A prognostic index for first operation based on these variables is proposed.

In six healthy subjects serum cholesterol was unchanged during a 2-wk period of controlled diet (2750 kcal) followed by a 2-wk period of free diet but showed a 16% decrease (p less than 0.05) during a further 2-wk period of controlled diet to which guar (5.7 g bid) was added. Stool weight, frequency and whole gut transit time did not differ in the diet periods with and without guar. Of guar ingested 82-95% was metabolized in the gut. Mouth to cecum transit of a meal measured by the hydrogen breath test in the same subjects was unaffected by the addition of 5.7 g of guar.