概括
抗氨基醇的沙门氏菌型在1971年在西贡出现. 替代抗生素,如安皮西林和三甲-硫甲醇证明对这些耐药菌株有效.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 药理学 药理学是指药理学的学科.
背景情况:
- 细菌病原体中出现抗生素耐药性的出现构成了严重的公共卫生威胁.
- 沙门氏菌是伤寒发烧的主要原因,一种全身感染.
- 在抗药性兴起之前,氨醇是伤寒的首要治疗方法.
研究的目的:
- 在西贡调查抗氨基醇耐药型沙门氏菌的流行情况.
- 评估这些耐药菌株对替代抗生素的敏感性.
- 评估不同治疗方案的临床疗效,以对抗性菌株引起的感染进行评估.
主要方法:
- 从临床样本中分离和识别沙门氏菌类型菌株.
- 格盘扩散方法来确定氨基醇耐药性.
- 苏稀释方法用于确定氨基醇和其他抗生素的最小抑制度 (MIC).
- 用氨基醇,安培素或三甲胺-硫黄胺醇治疗的患者的临床反应评估.
主要成果:
- 1971年在西贡 (Saigon) 隔离的沙门氏菌类型菌株中有46%表现出对氨基醇的耐药性.
- 在研究的菌株中,有37%的菌株对氨基醇 (>250微克/毫升) 呈现高MIC.
- 所有耐药菌株仍然对安皮西林 (0.4微克/毫升MIC) 和三甲-硫甲醇敏感.
结论:
- 1971年在西贡,沙门氏杆菌的氨基醇耐药性是一个重要的问题.
- 西林和三甲-硫甲醇是治疗抗氨基醇型伤寒热的有效疗法.
- 这些发现强调了对抗生素耐药性模式的持续监测的必要性.
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