Postsurgical recurrence in Crohn's disease.
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Crohn Disease↗
Biomedical subjects
R Di Mitri
Publications and source records attributed to R Di Mitri.
Mortality and causes of death in celiac disease in a Mediterranean area.
No data on mortality in celiac disease are currently available in southern Europe. Our aim was to evaluate mortality and the cause of death in adult celiac disease in a Mediterranean area. In all, 228 adults with celiac disease were histologically diagnosed in our department from 1980 to 1997. Full information on their state of health was obtained in 216 of 228 patients. A tabulation of patient-years at risk was constructed in terms of age at diagnosis and the interval from diagnosis. Standardized mortality ratio was calculated by dividing the number of observed deaths by the number of expected deaths. Twelve deaths were observed, whereas 3.12 deaths were expected (SMR = 3.8; 95% CI 2-7). The increased mortality was mainly observed within four years from diagnosis (8 observed; 1.4 expected) (SMR = 5.8; 95% CI 2.5-11.5). Twelve tumors were observed (six lymphomas). In conclusion, mortality from adult celiac disease in our geographical area is increased compared with the general population, and this increased risk seems due to non-Hodgkin's lymphoma.
Adult↗
Relationship between site of disease and familial occurrence in Crohn's disease.
Concordance in the extent of disease among the family members of patients with Crohn's disease has not been widely investigated. Furthermore, the relationship between the site of the disease and familial occurrence has never been studied. Our aim was to evaluate the familial occurrence of Crohn's disease in the various sites. Nine hundred thirty-four patients with Crohn's disease, observed consecutively in two gastrointestinal departments, were investigated to determine first-degree familial incidence (in both Crohn's disease and ulcerative colitis). Whenever two or more members were attending the same clinic, only one was regarded as a propositus. The analysis, therefore, was carried out on 882 patients. The exact site of the disease was determined in all patients either at diagnosis or during the follow-up by colonoscopy and by small bowel enema. The rate of concordance in the extent of disease and familial occurrence in the various sites was evaluated and the difference was calculated by chi-square test. Sixty-one propositi were identified among all the patients. Forty-nine had familial occurrence for the same disease (concordant patients), whereas 12 had at least one relative with ulcerative colitis (discordant patients). In 44 propositi with only one relative affected, the rates of concordance in the extent of the disease were 84, 68, 18, and 0% respectively, for the ileum, the ileum-right colon, the ileum-total colon, and the colon. The number of propositi in the various sites was as follows: 4 of 162 (2.4%) patients with the disease located in the colon, 1 of 9 (11%) with the jejunum site, 24 of 380 (6.3%) with the ileum site, 16 of 165 (9.7%) with the ileum and right colon site, and 16 of 164 (9.7%) with the ileum and total colon site. The chi-square values of propositi distribution among other sites and the colon was, respectively, as follows: jejunum, 2.2 (N.S.); ileum, 3.4 (P = 0.06); ileum and right colon, 7.4 (P = 0.006); and ileum and total colon, 7.4 (P = 0.006). This study shows a pronounced concordance in the site of the disease for family members with Crohn's disease and suggests that familial occurrence in Crohn's disease is less frequent when the disease is located in the colon rather than elsewhere.
Colitis, Ulcerative↗
Patients with chronic diarrhea.
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Chronic Disease↗
Epidemiology of inflammatory bowel disease in Italy.
The incidence of inflammatory bowel diseases is similar throughout Italy. Two prospective multicentre studies in the same period have shown an incidence very similar to Northern Europe. The incidence of ulcerative colitis ranged from 3.4 to 10.5. The incidence of Crohn's disease ranged from 1.9 to 6.6. The time trends seem to indicate an increase in both diseases. The need to set up General Registries of disease is underlined. The clinical behaviour and the diagnostic approach are homogeneous throughout the country. Compared to Northern Europe, surgery was less common in ulcerative colitis. Among the risk factors, familial occurrence has been shown to have the same prevalence as in Northern Europe suggesting a common genetic background. Studies on other risk factors are warranted considering the lack of data. Data on mortality show that there is a decrease in deaths in ulcerative colitis and a slight increase in mortality for Crohn's disease in the first few years after diagnosis. A retrospective study on costs has shown a greater economic burden from ulcerative colitis, however, new multicentre prospective studies are necessary.
Costs and Cost Analysis↗
[Thrombin].
A survey of the present knowledge on the relationship between structure and biological activity of thrombin is made. The recent pharmacological research on the block of thrombin function is then evaluated.
Anticoagulants↗