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  • Title: [Pharmacokinetic research and the ultrastructural changes in the lungs of white rats after aerosol administration of a high dose of kanamycin sulfate].
    Author: Feodorov V, Chaleva E, Kazachka D, Naneva G.
    Journal: Vet Med Nauki; 1987; 24(10):28-35. PubMed ID: 3450077.
    Abstract:
    Studied is kanamycin sulphate "Pharmachem", substance with activity 750 UI/mg, applied on albino rats in the form of water aerosol. The experiments are carried out in aerosol camera of flow-dynamic type with capacity 450 l at exchange of the air 60 l/min with aerosol apparatus of pneumatic type, for 10 min and staying in the aerosol cloud another 10 min. It is established that the kanamycin sulphate, after aerosol application on albino rats in dose of 50000 UI/m3, passes in the blood and is found out in the serum yet in the first hour (1.75 +/- 0.23 mg/cm3 serum). The maximal quantities of antibiotic are established in the first hour in the lungs (52.1 +/- 11.4 micrograms/g) and the antibiotic is detained in therapeutical concentrations for 240 h (0.1 +/- 0.03 micrograms/g). The content of the kanamycin in the kidneys is in the limits from 0.1 +/- 0.02 to 1.69 +/- 0.17 micrograms/g. At the electronic-microscopic tests of the lungs is observed hyperemia and destruction of the lamella corpuscles, which processes up to the 120th hour gradually calmed down.
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