[Sclerosing cholangitis: review of the literature apropos of a case].
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Biomedical subjects
Publications and source records attributed to J Loly.
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The extraction of plasma glucagon during intravenous infusion of exogenous hormone has been measured in the head, gastrointestinal tract or kidney of dogs submitted to binephrectomy or to sham surgery. A significant glucagon extraction was demonstrated not only in the kidney, but also in the head and in the portal area; moreover, plasma glucagon extraction by the head and by the bowel were significantly reduced, after binephrectomy, by 55 and 46 per cent, respectively. Changes in blood flow are unlikely to be involved to explain these phenomena. Therefore, a control by the kidney of the peripheral removal of plasma glucagon is suggested, the mechanism of which remains hypothetical.
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The extraction of plasma gastrin during intravenous infusion of exogenous hormone has been measured in the head, gastrointestinal tract, or kidney of dogs submitted to sham surgery, evisceration, or binephrectomy without or with subsequent kidney transplantation. A significant gastrin extraction was demonstrated not only in the kidney, but also in the head and in the gastrointestinal tract; moreover, plasma gastrin extraction in the head and the bowel was considerably reduced by binephrectomy and was brought back to control values after subsequent kidney transplantation. A non-specific effect of surgery and a variation in peripheral blood flow seem to be excluded. Thus a control by the kidney of the peripheral removal of blood gastrin is evidenced, the mechanism of which remains hypothetical.
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UNLABELLED: Up to now, as there is no national registry of patients with inflammatory bowel disease (IBD) in Belgium, the study of IBD epidemiology in our country is only possible through institutional or regional series. Therefore we conducted a prospective epidemiologic study of IBD in the Province of Liège (1 million inhabitants). METHODS: 29 (out of 47) private and public gastroenterologists completed a standard questionnaire for each patient consulting for the first time with clinical symptoms compatible with IBD between 1/06/1993 and 31/05/1994. RESULTS: During that period 104 cases of IBD were recorded: 56 (54%) Crohn's disease (CD), 36 (35%) ulcerative colitis (UC) including 7 proctitis (19% of UC) and 12 (11%) unclassified colitis. The annual incidence was 5.5 per 100.000 for CD and 3.5 for UC. The sex ratio F/M was 1.7 for CD and 0.7 for UC. The median age at the time of diagnosis was 33.5 yrs for CD and 40 yrs for UC. The highest age specific incidence rate for CD and UC was between 20 and 29 yrs : 13.6 and 6.1, respectively. CONCLUSIONS: This first Belgian prospective study has shown an incidence rate for CD comparable with that seen in north European studies but lower than that seen for UC. These results were similar to those observed in the northern part of France. Belgium appears to be a privileged country to undertake a national register and to study epidemiological aspects of IBD.