乌克兰牙科单位水道系统的微生物污染:多中心研究结果 (2020-2022)
Aidyn G Salmanov1, Taras P Bondar2, Kostiantyn M Lykhota3
1UKRAINIAN ASSOCIATION OF INFECTION CONTROL AND ANTIMICROBIAL RESISTANCE, KYIV, UKRAINE; THE ZARIFA ALYEVA INTERNATIONAL CENTER OF MEDICAL SCIENCE, KYIV, UKRAINE.
概括
在乌克兰,牙科单位水线 (DUWL) 中的微生物污染很普遍,超过一半的样本不符合饮用水标准. 许多牙科椅子单位 (DCU) 含有病原体,对患者构成感染风险.
科学领域:
- 微生物学 微生物学
- 牙科公共卫生 公共卫生
- 环境健康 环境健康
背景情况:
- 牙科单位的水线 (DUWL) 可能含有微生物生物膜,可能会影响患者和牙科工作人员的安全.
- 评估DUWL中的微生物污染对于保持牙科机构的感染控制至关重要.
研究的目的:
- 评估DUWLs的微生物污染,并描述乌克兰各个牙科专业的牙科椅子单位 (DCU) 的生物膜社区.
- 为了确定在DUWL生物膜中存在的特定细菌属和潜在的病原体.
主要方法:
- 一项多中心研究收集了来自乌克兰18家牙科诊所的191个DCU的1146个牙科水和生物膜样本 (2020-2022).
- 从生物膜样本中提取了基因组DNA,随后进行了16S rDNA基因放大和测序,以表征微生物群落.
主要成果:
- 57.4%的水样不符合乌克兰饮用水标准.
- 在牙科专业之间观察到细菌社区结构的显著差异,正牙科,假牙科和口腔外科手术显示出高细菌度的最高流行率.
- 测序确定了311个细菌属,包括常见的病原体,如Pseudomonas aeruginosa (33.7%),大肠杆菌 (27.3%) 和菌 (17.4%).
结论:
- 经过测试的DUWL中的水质往往不符合已确定的饮用水标准.
- 在DCU中存在众多潜在的人类病原体,这突显了感染传染给患者的重大风险.
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