从初级内牙感染中分离出来的细菌的鉴定和抗微生物敏感性概况
Lorena Souza Santos Mariano1, Rafael Nakamura-Silva2, Luciana Martins Domingues de Macedo1
1Universidade de Ribeirão Preto, Postgraduate Program in Dentistry, Ribeirão Preto, SP, Brazil.
Brazilian oral research
|April 10, 2024
概括
这项研究确定了内牙感染中常见的细菌,发现最容易受到抗生素的细菌. 然而,一些Enterococcus和Streptococcus菌株表现出耐药性,其中一个Staphylococcus epidermidis分离物具有多药耐药性.
科学领域:
- 微生物学 微生物学
- 牙周内科医院 牙周内科医院 牙周内科医院
- 传染性疾病 传染性疾病
背景情况:
- 初级内牙感染有多种不同的细菌群体.
- 了解这些细菌的抗微生物敏感性对于有效治疗至关重要.
- 抗微生物耐药性在内牙治疗中构成了重大挑战.
研究的目的:
- 为了识别导致初级内牙感染的细菌物种.
- 描述这些分离物的抗微生物敏感性概况.
- 评估来自巴西内牙感染的细菌的潜在耐药性模式.
主要方法:
- 从21名患有初级内牙感染的患者收集的样本.
- 使用自动化系统进行细菌隔离和鉴定 (Vitek 2).
- 通过磁盘扩散方法 (49种抗生素) 进行抗菌感应性测试.
主要成果:
- 鉴定了来自10个物种的17种细菌分离物;Enterococcus faecalis和Streptococcus物种是最常见的.
- 大多数隔离品对测试的抗生素表现出敏感性.
- 在一些Enterococcus分离物 (erythromycin, ciprofloxacin, tetracycline) 中观察到耐药性;一个多药耐药的Staphylococcus epidermidis;五种对所有测试的抗生素都耐药的Streptococcus分离物.
结论:
- Enterococcus faecalis和Streptococcus物种在一次性内牙感染中很常见.
- 虽然存在广泛的易感性,但特定的耐药性模式需要仔细选择抗生素.
- 在牙周内感染中出现多药耐药细菌是一个需要进一步调查的担忧.
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