首页> 美国卫生研究院文献>Canadian Journal of Comparative Medicine >Pharmacokinetics of enrofloxacin after intravenous and intramuscular administration in Angora goats.
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Pharmacokinetics of enrofloxacin after intravenous and intramuscular administration in Angora goats.

机译:恩诺沙星在安哥拉山羊中静脉内和肌肉内给药后的药代动力学。

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摘要

Pharmacokinetics and bioavailability of enrofloxacin were determined after single intravenous (IV) and intramuscular (IM) administrations of 5 mg/kg body weight (BW) to 5 healthy adult Angora goats. Plasma enrofloxacin concentrations were measured by high performance liquid chromatography. Pharmacokinetics were best described by a 2-compartment open model. The elimination half-life and volume of distribution after IV and IM administrations were similar (t1/2beta, 4.0 to 4.7 h and Vd(ss),1.2 to 1.5 L/kg, respectively). Enrofloxacin was rapidly (t1/2a, 0.25 h) and almost completely absorbed (F, 90%) after IM administration. Mean plasma concentrations of enrofloxacin at 24 h after IV and IM administration (0.07 and 0.09 microg/mL, respectively) were higher than the minimal inhibitory concentration (MIC) values for most pathogens. In conclusion, once-daily IV and IM administration of enrofloxacin (5 mg/kg BW) in Angora goats may be useful in treatment of infectious diseases caused by sensitive pathogens.
机译:在对5只健康的成年安哥拉山羊进行5 mg / kg体重(BW)的单次静脉内(IV)和肌内(IM)施用后,确定了恩诺沙星的药代动力学和生物利用度。通过高效液相色谱法测定血浆恩诺沙星浓度。药代动力学最好用两室开放模型来描述。静脉注射和肌肉注射后的消除半衰期和分布体积相似(t1 / 2beta,4.0至4.7 h和Vd(ss),1.2至1.5 L / kg)。 IM给药后,恩诺沙星迅速(t1 / 2a,0.25小时)并几乎完全吸收(F,90%)。 IV和IM给药后24小时的恩诺沙星平均血浆浓度(分别为0.07和0.09 microg / mL)高于大多数病原体的最低抑菌浓度(MIC)值。总之,安哥拉山羊每天一次静脉内和即时施用恩诺沙星(5 mg / kg体重)可用于治疗由敏感病原体引起的传染病。

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