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Biomedical subjects

R Fiasse

Publications and source records attributed to R Fiasse.

At least 109 records · Page 6Linked to original sources

Role of cytokines in inflammatory bowel disease.

The authors review the recent literature about the proinflammatory role of interleukins-1,-2,-6,-8, tumour necrosis factor and interferon-gamma in Crohn's disease and ulcerative colitis, as well as their possible use to assess disease activity and to design new therapeutic approaches. Most cytokines were secreted in excess in inflammatory bowel disease. An imbalance between interleukin-1 and interleukin-1 antagonist might be a factor responsible of the chronicity of intestinal lesions. Circulating levels of interleukin-2 receptor are related to disease activity. Preliminary data on the therapeutic use of antibodies to tumour necrosis factor are encouraging.

Colitis, Ulcerative↗

[Crohn's disease of the esophagus. Apropos of a case].

A case of oesophageal Crohn's disease associated with large bowel lesions and with ocular, articular and cutaneous manifestations is reported. The patient, a 45 year old woman, was successfully treated with corticosteroids. The authors review the literature about oesophageal involvement in Crohn's disease and extra-intestinal manifestations.

Arthritis, Reactive↗

Clinical, radiological and functional results of remedial antireflux operations.

Fifty-five patients were reoperated on for an unsatisfactory outcome after antireflux surgery. Presenting symptoms were heartburn alone (27), heartburn and dysphagia (10), dysphagia alone (9), chest pain (4), left shoulder pain (1), left shoulder pain and fever (1), and signs of anemia (3). The symptom of dysphagia was usually of immediate onset whereas heartburn reoccurred after a symptom-free period (p = 0.014). The most common failed antireflux procedure was a Nissen fundoplication (37). The incompleteness of the residual wrap, its location around the stomach and the irreducibility of the gastro-oesophageal junction below the diaphragm were accurately predicted by barium swallow study in 70, 83 and 92% of the patients, respectively. Abnormal oesophageal body motility was related to oesophagitis, herniation of the residual repair into the chest or both (16/20), and it normalized in 6 of the 11 patients evaluated at follow-up. Oesophageal acid exposure and prevalence of oesophagitis were higher in patients with heartburn than in those with other symptoms (p < 0.02). Intraoperative findings were breakdown of the repair, its location around the stomach, its herniation into the chest, its too excessive tightness, a gastric fistula, or any combination. Remedial surgery consisted of a new antireflux procedure (42), a new antireflux procedure combined with closure of a gastric fistula (3), a closure of a gastric fistula alone (1), a closure of the crura (4), an oesophageal resection (3), a total gastrectomy (1), and a duodenal diversion (1).(ABSTRACT TRUNCATED AT 250 WORDS)

Barium Sulfate↗

Use of octreotide in the treatment of digestive neuroendocrine tumours. Seven year experience in 20 cases including 9 cases of metastatic midgut carcinoid and 5 cases of metastatic gastrinoma.

The authors report their experience with octreotide in 20 patients (median age 57 years, 10 M, 10 F) from 1984 to 1991; 16 had metastatic APUDoma: 1 PPoma with VIPoma, 1 glucagonoma, 5 gastrinoma including 1 associated to PP-oma, 9 mid-gut carcinoid; 3 patients had multiple-endocrine neoplasia type I (MEN-I) with Zollinger-Ellison syndrome (ZES) and 1 patient a non-metastatic VIPoma. Octreotide (200-750 micrograms/day) was administered bid or tid with regular laboratory controls and morphological assessment. There was a striking improvement of symptoms, particularly in the carcinoid group (reduction of flushing in all patients and of diarrhoea in 3/5), in the patient with gastrinoma + acromegaly (regression of congestive heart failure) and in the patient with non-metastatic VIPoma. The hormonal markers were markedly reduced, particularly gastrin, PP (except in the patient with PPoma + VIPoma), VIP, GH and Somatomedin-C and urinary 5HIAA in 4/9 patients with carcinoid. There was only one partial regression of metastases (gastrinoma) and 4 apparent stabilizations of tumour growth, in the 16 metastatic cases. Among them, 4 patients died: 1 glucagonoma, 1 PPoma + VIPoma, 2 mid-gut carcinoids after a treatment of 5, 16, 30, 36 months, respectively. The patient with acromegaly + ZES died after 6 years of treatment at age 81. A patient with prolactinoma, resected insulinoma, hyperparathyroidism and ZES was not improved by a short course of octreotide (hypoglycemia); he died later of recurrent insulinoma. In conclusion, octreotide is a useful drug to control most of the symptoms related to gut endocrine tumours; it may inhibit tumour growth.

Adolescent↗

Epidemiology of inflammatory bowel disease in Brussels' area (1992-1993).

A prospective epidemiological study on inflammatory bowel diseases (IBD) patients was performed in Brussels' area from April 1st, 1992 to 30th March, 1993. The mean annual incidence for Crohn's diseases (CD) was 4.1/10(5) inhabitants/year among native Belgian people and 6.4/10(5) inhabitants/year for subjects issued from Moroccan families. For ulcerative colitis, the incidence was 3.7/10(5) inhabitants/year for native Belgian people and only 1.2/10(5) inhabitants/year for Moroccan subjects. The male/female sex ratio was 0.4 for CD and 1.9 for UC. At the time of diagnosis, the mean age was 34 years for CD and 38 years for UC. For both diseases, the age peak was between 20 and 29 years. Cigarette smoking was significantly higher in CD (48%) than in UC patients (12%). Family history was about 10% for both diseases.

Adult↗

Short- and long-term efficacy of cyclosporin administration in patients with acute severe ulcerative colitis. Belgian IBD Group.

Cyclosporin (CsA) has been proposed in the management of patients with acute ulcerative colitis (UC) in whom standard therapy failed and who were candidates for colectomy. Seven academic hospitals contributed to this retrospective study that included 29 patients (median age: 33 y. (15-74 y.); 12 females and 17 males). The median duration of the disease was 4 y. (0.3 to 33 y.). Before initiating CsA, patients were unresponsive to treatment including i.v. corticosteroids (n = 29), 5-ASA or salazopyrine (n = 19), azathioprine (n = 3), antibiotics (n = 14). The i.v. mean dose was 4 mg/kg/day and was adapted to blood level. Concomitant treatment included corticosteroids (n = 27). The median duration of i.v. CsA administration was 10 days (4 to 41 days). At the end of CsA administration, a global improvement was described in 20 patients while a surgery had to be performed immediately in 8 patients because of exacerbation of symptoms (n = 7) or perforation (n = 1). One other patient (74 y.) died because of Pneumocystis carinii infection. For the responders, maintenance therapy included: tapering dose of steroids (n = 12), azathioprine (n = 12), 5-ASA or salazopyrine (n = 10), methotrexate (n = 1) or oral CsA (n = II). The median duration of follow-up was 12 months (4 to 48 months). Among the 20 responders, 7 were subsequently referred for colectomy either electively (n = 3) or because of recurrence of the disease (n = 4). Among the 12 patients treated by azathioprine as a maintenance therapy, only 3 had to be referred for surgery (25%). Among the 8 patients who did not receive azathioprine, 4 were subsequently referred for a colectomy (50%) (NS). In patients with acute refractory UC who received CsA, the short-term efficacy (avoidance of immediate colectomy) was obtained in 20 out of 29 patients (69%). However, after a median follow-up of 12 months, only 13 patients were colectomy free (45%).

Acute Disease↗