地方监测识别了高优先级的阴性病原体,以指导加纳的抗生素管理:一项跨部门研究
Gloria Amegatcher1, Johnson Adu1, Edwina Wilma Arcton1
1Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Korle-Bu, Accra, Ghana.
The American journal of tropical medicine and hygiene
|February 17, 2026
概括
在加纳,抗生素耐药性很高,安培和tigecycline对常见的格拉姆阴性病原体无效. 梅洛和胆固醇仍然有效,但需要仔细监测以保持它们的效用.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 公共卫生 公共卫生
背景情况:
- 在全球范围内,阴性细菌是人类感染的重要原因.
- 了解抗生素耐药性模式对于有效的治疗和公共卫生策略至关重要,特别是在加纳这样的地区.
研究的目的:
- 确定加纳临床格拉姆阴性细菌分离物的抗生素敏感性概况.
- 确定对公众健康构成威胁的高优先级病原体.
- 为了告知抗微生物药物管理和治疗指南.
主要方法:
- 从各种临床样本 (尿液,便,伤口,血液) 中收集格拉姆阴性分离物.
- 使用Kirby-Bauer光盘扩散方法对10种抗生素进行抗菌感应性测试.
- 确定占主导地位的细菌物种,并分析耐药性模式.
主要成果:
- 大肠杆菌和Klebsiella pneumoniae是最常见的分离物.
- 对安培素 (94%),提格环素 (85.5%) 和氨基醇 (76%) 观察到高耐药率.
- Acinetobacter baumannii表现出最高的耐药性表型;对胆固醇素 (4%) 和美罗 (20%) 发现的耐药性较低.
结论:
- 在这个加纳队列中,tigecycline,ampicillin和chloramphenicol在很大程度上对许多格兰负病原体无效.
- 梅洛和胆固醇仍然是有效的治疗选择,但需要谨慎监测,以防止产生耐药性.
- 这些发现强调,迫切需要制定抗微生物药物管理计划,以应对日益增长的格拉姆阴性耐药性.
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