Veterinary and Animal Sciences
Turkish Journal of Veterinary and Animal SciencesComparative pharmacokinetics and PK/PD parameters of five aminoglycosides in goats
1Department of Pharmacology, Physiology of Animals and Physiological Chemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, BULGARIA
2Department of Veterinary Microbiology, Infectious and Parasitic Diseases, Faculty of Veterinary Medicine,
Trakia University, 6000 Stara Zagora, BULGARIA
Abstract: The pharmacokinetics of gentamicin, tobramycin, amikacin, kanamycin, and apramycin were investigated after single intravenous administration in goats. their antimicrobial activity against 30 strains of Staphylococcus aureus isolates from goats was also studied. On the base of the pharmacokinetic and pharmacodynamic data, a comparison between antibiotics was made. All 5 antibiotics showed a marked high in vitro antibacterial activity. The lowest MIC90 values were those of amikacin and the highest one was of kanamycin. The ratios of Cmax/MIC showed that amikacin has an advantage of providing the highest values of the concentration/MIC90 ratio, as well of the time providing bactericidal levels, followed by apramycin, whereas the other 3 antibiotics had comparable values, but lower than the first 2 antibiotics. The same interpretation could be made for the area under the curve/MIC90 ratio.
Key Words: aminoglycosides, pharmacokinetics, antibacterial action, Pk/PD, goats
Turk. J. Vet. Anim. Sci. 2009; 33: 223-228.
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