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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 19 (2004), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Chronic intestinal pseudo-obstruction, due to intestinal myopathy or neuropathy, is characterized by the signs and symptoms of intestinal obstruction in the absence of true obstruction. Episodes are resistant to medical therapy.Aim : To determine the value of erythromycin treatment in chronic intestinal pseudo-obstruction.Methods : All patients with proven chronic intestinal pseudo-obstruction treated with erythromycin were reviewed. Patients with symptomatic benefit are described in detail. Responders were compared with non-responders to identify the factors associated with benefit.Results : Fifteen consecutive patients (nine females; median age, 37 years; median follow-up, 41 months) were treated with oral erythromycin, 1.5–2.0 g/day. Six patients (three primary visceral myopathy, two normal histology on light microscopy, one visceral myopathy secondary to scleroderma) responded, with decreased pain and vomiting, normalized bowel dysfunction and decreased episodes of ileus. Five of the six patients (83%) who responded to erythromycin were male, compared with two of the nine non-responders (22%) (P = 0.04). Four of the six responders (67%) had histological or immunohistological visceral myopathy, compared with three of the nine patients (33%) who failed to respond. Responders were less likely than non-responders to be taking long-term opiates.Conclusions : Erythromycin is effective for acute episodes of ileus and chronic symptoms in some patients with chronic intestinal pseudo-obstruction.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 18 (2003), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Intravenous ciclosporin for acute, severe colitis is usually administered in a dose of 4 mg/kg/day, with concurrent intravenous steroids. This is associated with considerable morbidity. We have been using a low-dose regimen, most commonly without concurrent steroids, for seven years, and present the outcome.Methods : Records of all patients admitted for severe ulcerative colitis, treated by one physician over seven years, were reviewed.Results : Thirty-one patients received low-dose intravenous ciclosporin (2 mg/kg/day) for a median 8 days. Eleven early patients received concurrent intravenous corticosteroids. Three patients had hypertension requiring dose reduction, one elevated creatinine and one elevated liver enzymes (all transient), and four experienced infection (two arm cellulitis, one perianal abscess, one post-operative wound infection). Twenty-four patients (77%) avoided urgent colectomy, and were discharged on oral ciclosporin and azathioprine. After a median 18 months (range 3–77), 14 patients (45% of total) avoided colectomy, of whom eight had flares responding to medical therapy and two had persistent, mildly active disease.Conclusions : Low-dose intravenous ciclosporin (2 mg/kg/day), usually used as a monotherapy and followed by azathioprine, achieves similar long-term efficacy to higher dose ciclosporin combined with steroids in severe acute ulcerative colitis. Morbidity appears to be low.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 16 (2002), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Laxatives are frequently ineffective in treating constipation. An alternative therapeutic approach is to target serotonin-4 receptors, which are involved in initiating peristalsis.Aim : In a double-blind, placebo-controlled trial, to assess the efficacy and safety of a systemically active serotonin-4 agonist, prucalopride.Methods : Seventy-four women with constipation were stratified into slow or normal transit groups, and each group was randomized to receive either placebo or 1 mg prucalopride daily for 4 weeks. A bowel function diary was maintained. Whole-gut and orocaecal transit, visceral sensitivity, quality of life and psychological state were assessed before and after treatment.Results : Prucalopride, not placebo, increased spontaneous stool frequency (P=0.008) and reduced time to first stool (P 〈 0.001). Prucalopride reduced the number of retained markers in all patients compared to placebo (P=0.004). Prucalopride reduced the mean number of retained markers in slow transit (P=0.069), but did not alter the marker count in normal transit (P=0.86). Orocaecal transit was accelerated by prucalopride, not placebo (P=0.004). Prucalopride, notplacebo, increased rectal sensitivity to distension (urge volume, P=0.01) and electrical stimulation (P=0.001). Prucalopride significantly improved several domains of the Short Form Health Status Survey and the disease-specific quality of life. Adverse effects were similar for prucalopride and placebo.Conclusions : Prucalopride improves symptoms, upper gut transit and gut sensitivity in constipated patients with both slow and normal transit. It improves transit in patients with slow transit. These changes are associated with improved well-being.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 20 (2004), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Forty per cent of patients with inflammatory bowel disease fail to respond to standard dose azathioprine (2 mg/kg/day).Aims : To evaluate the efficacy and safety of increasing the azathioprine dose according to a fixed schedule and guided by clinical response and adverse effects.Methods : We reviewed the records of all patients with inflammatory bowel disease treated by a single clinician over 6 years, unresponsive to at least 3 months treatment with standard dose azathioprine, and whose dose was subsequently increased.Results : Forty patients (27 male; 24 Crohn's, 16 ulcerative colitis) with chronic active disease or recurrent flares despite standard dose azathioprine for a median 8 months (range 3–114) increased their dose from a median 2.02 (1.61–3.19) mg/kg/day to 2.72 (2.37–3.99) mg/kg/day in one to four increments of 0.5 mg/kg/day, and were followed over a median6 (0.5–54) months. Eleven of the 40 patients (seven Crohn's, four ulcerative colitis) responded or had reduced frequency of flare-ups at the end of follow-up, while 17 of the 40 patients had no benefit. Response was more likely for maximum doses ≤2.5 mg/kg/day (six of 11 patients) than for doses 〉2.5 mg/kg/day (five of 29 patients) (P = 0.042). Twelve patients (11 of whom received maximum doses 〉2.5 mg/kg/day) were unable to maintain an increased azathioprine dose because of leukopenia in eight, nausea in three, and raised liver enzymes in one (all transient and reversible).Conclusions : Increasing the azathioprine dose up to 2.5 mg/kg/day appears beneficial in patients who have not responded to 2 mg/kg/day. Further increase above 2.5 mg/kg/day is less likely to be efficacious, and is associated with a substantial risk of adverse reactions.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 16 (2002), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Food antigens may contribute to gut inflammation in Crohn's disease.Aim : To assess in vivo sensitization to food antigens, ascertain whether sensitivity is gut specific, assess food sensitization in vitro, and correlate in vivo changes with histological and blood changes.Methods : Skin testing and rectal exposure to six food antigens (cereal, cabbage, citrus, milk, yeast and peanut) and control saline were assessed double-blind by immediate and 3.5-h laser Doppler blood flowmetry, and rectal biopsies were taken. Peripheral blood lymphocyte proliferation was measured in response to the same antigens.Results : Ten patients with Crohn's disease and 10 healthy controls were studied. Blood flow increased in 24 of 60 antigen sites in Crohn's disease patients and six of 60 antigen sites in controls (P 〈 0.0001) after 3.5 h. The Crohn's disease group demonstrated higher rectal blood flow than controls in response to all food antigens, and this was significantly different for the responses to yeast (P = 0.036) and citrus fruits (P = 0.038). Lymphocyte proliferation occurred in 32 of 60 tests in Crohn's disease patients and eight of 60 tests in controls (P 〈 0.0001). There were no skin responses. Submucosal oedema corresponded to increased mucosal flow.Conclusions : Crohn's disease patients demonstrate in vivo and in vitro sensitization to food antigens, which is gut specific. Mucosal flowmetry allows the identification of sensitization to gut antigens.
    Type of Medium: Electronic Resource
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