Wynik wyszukiwania w bazie Polska Bibliografia Lekarska GBL

Zapytanie: WIKTOROWSKA-OWCZAREK
Liczba odnalezionych rekordów: 2



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Tytuł oryginału: Influence of midazolam pharmacokinetic parameters of procainamide in rabbits.
Autorzy: Orszulak-Michalak Daria, Owczarek Jacek, Wiktorowska-Owczarek Anna K.
Źródło: Pol. J. Pharmacol. 2002: 54 (2) s.151-155, il., tab., bibliogr. 23 poz.
Sygnatura GBL: 313,156

Hasła klasyfikacyjne GBL:
  • farmacja

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
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  • króliki

    Streszczenie angielskie: The majority of antiarrhytmic drugs have very narrow therapeutic range, and they may cause some side effects at doses used for curing cardiac arrhythmias. These drugs may enter different interactions. Procainamide also may interact with other drugs. Also some other drugs may change pharmacokinetics of procainamide, for example the iv anesthetics influence on pharmacokinetic parameters of procainamide. The aim of the study was to investigate the influence of midazolam on the plasma concentrations and pharmacokinetic parameters of procainamide in rabbits during two hours of obserwation. Procainamide was administered in rabbits at a dose of 13 mg/kg iv, and midazolam at 0.2 mg/kg iv. Procainamide levels were determined by immunofluorescence polarization method using ABBOTT reagents. Levels of procainamide were determined in the plasma at 5, 10, 15, 30, 45, 60, 90 and 120 min after the administration of procainamide. After administration of midazolam with procainamide, a decrease in plasma concentration of procainamide, together with its increased elimination, was observed.

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    Tytuł oryginału: Influence of midazolam on pharmacokinetics of verapamil in rabbits.
    Autorzy: Orszulak-Michalak Daria, Owczarek Jacek, Wiktorowska-Owczarek Anna K.
    Źródło: Pol. J. Pharmacol. 2002: 54 (5) s.501-506, tab., bibliogr. 35 poz.
    Sygnatura GBL: 313,156

    Hasła klasyfikacyjne GBL:
  • farmacja

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • króliki

    Streszczenie angielskie: Calcium channel blockers can get involved in pharmacological interactions when used concomitantly with other drugs. Previous reports indicate a differential influence of various general anesthetics on verapamil pharmacokinetics. A tendency of a faster transfer of verapamil from the central compartment to the tissue compartment was found to be associated with a slower drug return from the tissue at the given verapamil doses during thiopental or propofol anesthesia. Thus, an increased storage of verapamil in tissue compartment and prolongation of the drug action may occur due to those interactions. The aim of the study was to investigate the influence of midazolam on the plasma concentrations and pharmacokinetic parameters of verapamil after intravenous bolus administration in rabbits during 2 h of observation. Verapamil and midazolam were administered intrtavenously at a dose of 0.2 mg/kg. Verapamil levels in plasma were determined by radioanalysis using [3H]verapamil. Levels of verapamil were determined in plasma at 5, 10, 15, 30, 45, 90 and 120 min after the administration, and plasma disappearance was analyzed according to the non-compartmental and 2-compartmental model. After administration of midzaolam together with verapamil, a decrease in verapamil concentration in plasma was seen, with an increased verapamil transfer to the tissue compartment, increased steady state distribution volume and shortened residency time of the drug in the plasma.

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