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  • 1980-1984  (2)
  • Anticonvulsants  (1)
  • Phosphate depletion  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 395 (1982), S. 71-74 
    ISSN: 1432-2013
    Keywords: Noradrenaline ; Adrenaline ; Vascular reactivity ; Noradrenaline uptake ; Phosphate depletion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Plasma catecholamines and vascular response to noradrenaline were studied in phosphate depleted rats. Phosphate depletion was induced in rats by dietary phosphorus deprivation for 6 weeks. Basal plasma concentrations of noradrenaline, adrenaline and dopamine were elevated in phosphate depleted rats compared to pairfed control rats. After exposure to cold (4° C, 45 min) the rise in plasma catecholamines was much more pronounced in phosphate depleted rats. In the isolated perfused rat heart, the uptake of tritiated noradrenaline was unchanged. In the isolated perfused hindlimb preparation the vascular response to noradrenaline, but not to potassium chloride and argininevasopressin was significantly diminished in phosphate depleted rats. It is concluded that in phosphate depletion sympathetic activity is elevated and vascular response to noradrenaline diminished.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 230 (1983), S. 193-196 
    ISSN: 1432-1459
    Keywords: Arginine vasopressin ; Carbamazepine ; Anticonvulsants ; Epilepsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 112 unter Monotherapie mit Carbamazepin, Phenytoin, Primidon oder Valproat stehenden erwachsenen Anfallskranken sowie bei 19 gleichaltrigen Kontrollpersonen wurden radioimmunologisch die Vasopressin-Plasma-Konzentrationen bestimmt. Es wurden keine signifikanten Unterschiede zwischen den Gruppen gefunden. Einige der mit Carbamazepin und Primidon monotherapierten Epileptiker wiesen niedrige Vasopressin-Werte auf. Die Carbamazepin-Serumspiegel korrelierten nicht mit den Vasopressin-Konzentrationen. Somit ergab sich weder ein Hinweis auf eine vermehrte Vasopressin-Ausschüttung unter Langzeittherapie mit Carbamazepin noch eine besondere Hemmung der Ausschüttung durch Phenytoin.
    Notes: Summary Plasma arginine vasopressin concentrations were determined by radio-immunoassay in 112 adult epileptics who were taking carbamazepine, phenytoin, primidone, or sodium valproate in long-term monotherapy, and in 19 controls. No significant difference was found between the groups, but some epileptics taking carbamazepine and primidone showed low values. Serum concentrations of carbamazepine did not correlate with the concentrations of plasma arginine vasopressin. In conclusion, there was no evidence of a stimulating effect of chronic carbamazepine medication or a special inhibiting effect of phenytoin on the release of vasopressin arginine from the posterior pituitary.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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