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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Inorganica Chimica Acta 20 (1976), S. 237-242 
    ISSN: 0020-1693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gastric irradiation selectively inhibits acid secretion. Histamine may have a role in the inhibitory process. Seven days after gastric irradiation with 9 Gy X-rays, mice underwent a stomach perfusion and secretion test. Under pentagastrin stimulation (62.5 μg/kg), acid and histamine secretion was significantly lower than that of the unirradiated controls, while pepsin and potassium outputs were unchanged. Histamine concentration in the oxyntic region of the stomach assayed after the perfusion test was significantly lower than that of controls. It is postulated that the fall in the endogenous histamine store may contribute to the reduction in acid production.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 25 (1988), S. 1-3 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The exact etiology of carcinoid flushing remains unknown, but the symptoms are probably mediated through release of one or several humoral substances. Flushing seen in fore-gut carcinoids (gastric carcinoids) has been ascribed to excessive histamine release, whereas flushing seen in mid-gut carcinoids (ileal carcinoids) tentatively has been ascribed to excessive release of serotonin, bradykinin, substance P, substance K or eledoisin. In this study plasma histamine was measured in 8 patients with mid-gut carcinoids and carcinoid syndrome using an enzymatic isotopic method in order to evaluate histamine as the vasoactive agent in patients with ileal carcinoid tumours and carcinoid syndrome. All patients had raised plasma histamine values. In patients with mid-gut carcinoids histamine may be one of the substances mediating flushing.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Plasma histamine concentrations in samples obtained simultaneously from the extracorporeal circuit and the cardiotomy suction line were measured in two groups of patients undergoing cardiopulmonary bypass (CPB). In Group A patients, the technique for myocardial protection involved the use of intra-aortic instilled cardioplegic solution and extracorporeal cooling. Plasma histamine concentrations in the cardiotomy suction effluent (CSE) (median: 1.20 ng/ml; range: 0.31–8.42) were significantly higher than those in the extracorporeal circuit (ECC) (median: 0.53 ng/ml; range: 0.17–1.52) (p〈0.02). In Group B patients, temperature drift and an intermittent cross-clamp fibrillation technique was employed. Plasma histamine concentrations in the CSE (median: 9.12 ng/ml; range: 1.88–15.46) and in the ECC (median: 9.66 ng/ml; range: 0.24–15.70) were comparable and directly related. Both groups of patients had histamine concentrations over 1 ng/ml in the CSE and contributed to the elevated circulatory histamine observed during CPB. This might contribute to possible haemodynamic consequences during the perioperative period.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 41 (1994), S. C93 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gastric secretion was measured in patients with chronic renal failure (CRF) on continuous ambulatory peritoneal dialysis (CAPD), non-uraemic patients with a duodenal ulcer (DU), and healthy volunteers (HV). Basal acid outputs were not significantly different in the three groups. Under pentagastrin stimulation, acid secretion was lower in CAPD patients than in DU patients (p〈0.02) but not different from HV controls. Between CAPD and DU, basal histamine secretion measured in the gastric juice was not different, but the concentration in blood plasma was significantly lowr in the CAPD group (p〈0.05). Under pentagastrin stimulation, gastric histamine output and plasma histamine concentration were significantly lower in CAPD patients (p〈0.05, respectively). Both basal and pentagastrin-stimulated gastric acid and histamine outputs were directly related. These results suggest that CAPD patients do not have an increased risk of developing DU, but may need acid blockade if they are treated for hyperphosphataemia with aluminium containing drugs.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 47 (1998), S. 56-57 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Oral treatment with the H2-antagonist ICI 162,846 or omeprazole for five days inhibited both basal and pentagastrin stimulated acid secretion by 50% or more in mice. Either treatment increased the luminal secretion of histamine in the basal (12-fold) and stimulated (9-fold) states. Mice treated with the H2-antagonist had a 27% reduction (p〈0.05) in mural histamine in the acid-producing area of the stomach. Mice were treated so as to induce duodenal ulcers (abscopal model) and were then treated with the H2-antagonist ICI 162,846, omeprazole or vehicle, orally for one week. Fewer duodenal ulcers were found in animals receiving drug treatments than in the oral vehicle group. Both the H2-receptor antagonist and the proton pump blocker inhibit acid production; acid blockade by either drug is accompanied by a massive increase in secretion of histamine. This rise was associated with depletion of the gastric histamine store only with H2-receptor blocker. Both means of acid inhibition reduced the formation of ulcers in this model.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a new model, chronic duodenal ulcers are generated by irradiating the lower mediastinum of mice with single doses of X-rays. Histamine, a potent secretagogue, may have a role in the aetiology. Seven days after irradiation, the lag period for ulcerogenesis, mice were given a gastric perfusion test. In mice given irradiation to the lower mediastinum tissue histamine in the oxyntic region of the stomach assayed after perfusion was significantly lower than that of controls. Acid and peptic activity were not different from controls. Histamine release may mediate the abscopal ulcer without increasing acid and peptic activity.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 36 (1992), S. C181 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Histamine release was studied in patients undergoing cholecystectomy, renal transplanatation and cardiopulmonary bypass (CPB). Plasma histamine rose in response to anaesthesia and surgery. In cholecystectomy patients the rise was not associated with any clinical events, and not affected by the use of preoperative H1+H2 receptor antagonists. In one patient a maximal histamine concentration of 14.0 ng/ml was measured. Similarly, in fourteen transplant patients no remarkable clinical conditions were associated with the elevated plasma histamine in the perioperative period. Five of those patients were found to have doudenal ulcer and two had duodenitis at endoscopy after operation. They had significantly higher histamine concentrations than the seven patients with a normal duodenum in the first ten days after surgery. During CPB, significant rises in plasma histamine occurred at the onset of CPB and in the immediate post-CPB period when spontaneous circulation was resumed. One CPB patient who was asthmatic developed marked bronchospasm at the end of bypass perfusion, which was associated with persistently high histamine. Thus, histamine release following surgery may be a factor in certain clinical situations. Individual high values, however, may not give any clinical consequence.
    Type of Medium: Electronic Resource
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