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亚胺培南、阿米卡星、甲氧苄啶-磺胺甲恶唑和米诺环素治疗实验性脑诺卡菌病

Therapy of experimental cerebral nocardiosis with imipenem, amikacin, trimethoprim-sulfamethoxazole, and minocycline.

作者信息

Gombert M E, Aulicino T M, duBouchet L, Silverman G E, Sheinbaum W M

出版信息

Antimicrob Agents Chemother. 1986 Aug;30(2):270-3. doi: 10.1128/AAC.30.2.270.

Abstract

A mouse model of cerebral nocardiosis was used to determine relative antibiotic efficacy by reducing bacterial colony counts per gram of brain tissue. The antimicrobial agents employed were demonstrated in vitro to be inhibitory to most strains of Nocardia asteroides at very low concentrations. The agents used in this study were imipenem-cilastatin, amikacin, trimethoprim-sulfamethoxazole, and minocycline. Antibiotics were administered every 4 h for 72 h before animal sacrifice. Bacterial colony counts were assayed at various time points before the completion of therapy. Imipenem-cilastatin and amikacin were the most effective agents tested. Trimethoprim-sulfamethoxazole was less effective than imipenem and amikacin but more effective than minocycline. Minocycline did not eradicate intracerebral organisms and was similar to saline (control) in its effects.

摘要

通过减少每克脑组织中的细菌菌落数,使用脑诺卡菌病小鼠模型来确定相关抗生素的疗效。所使用的抗菌剂在体外被证明在非常低的浓度下对大多数星形诺卡菌菌株具有抑制作用。本研究中使用的药物有亚胺培南-西司他丁、阿米卡星、甲氧苄啶-磺胺甲恶唑和米诺环素。在处死动物前,每4小时给予抗生素,共72小时。在治疗结束前的不同时间点测定细菌菌落数。亚胺培南-西司他丁和阿米卡星是测试中最有效的药物。甲氧苄啶-磺胺甲恶唑的效果不如亚胺培南和阿米卡星,但比米诺环素更有效。米诺环素不能根除脑内病原体,其效果与生理盐水(对照)相似。

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