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Pharmacokinetics of marbofloxacin after intravenous and intramuscular administration to ostriches

机译:静脉和肌肉注射给鸵鸟后,马波沙星的药代动力学

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The pharmacokinetics of marbofloxacin was investigated after intravenous (IV) and intramuscular (IM) administration, both at a dose rate of 5 mg/kg BW, in six clinically healthy domestic ostriches. Plasma concentrations of marbofloxacin was determined by a HPLC/UV method. The high volume of distribution (3.22+/-0.98 L/kg) suggests good tissue penetration. Marbofloxacin presented a high clearance value (2.19+/-0.27 L/kgh), explaining the low AUC values (2.32+/-0.30 microgh/mL and 2.25+/-0.70 microgh/mL, after IV and IM administration, respectively) and a short half life and mean residence time (t(1/2 beta)=1.47+/-0.31 h and 1.96+/-0.35 h; MRT=1.46+/-0.02 h and 2.11+/-0.30 h, IV and IM, respectively). The absorption of marbofloxacin after IM administration was rapid and complete (C(max)=1.13+/-0.29 microg/mL; T(max)=0.36+/-0.071 h; MAT=0.66+/-0.22 h and F (%)=95.03+/-16.89).
机译:静脉注射(IV)和肌内注射(IM)后,对六种临床健康的家养鸵鸟进行了静脉注射(IV)和肌内注射(IM)后,研究了马波沙星的药代动力学。通过HPLC / UV方法测定血浆中的马波沙星的浓度。高分布体积(3.22 +/- 0.98 L / kg)表明良好的组织穿透力。 Marbofloxacin的清除率值较高(2.19 +/- 0.27 L / kgh),解释了较低的AUC值(分别在IV和IM给药后为2.32 +/- 0.30 microgh / mL和2.25 +/- 0.70 microgh / mL)和短的半衰期和平均停留时间(t(1/2 beta)= 1.47 +/- 0.31 h和1.96 +/- 0.35 h; MRT = 1.46 +/- 0.02 h和2.11 +/- 0.30 h,IV和IM , 分别)。 IM给药后马波沙星的吸收迅速而完全(C(max)= 1.13 +/- 0.29 microg / mL; T(max)= 0.36 +/- 0.071 h; MAT = 0.66 +/- 0.22 h和F(% )= 95.03 +/- 16.89)。

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