手部感染的微生物学分析:一项前性研究
Susanne Rein1,2, Anne Sorowka1, Thomas Grünewald3
1Department of Plastic and Hand Surgery, Burn Unit, Hospital Sankt Georg, Leipzig, Germany.
Surgical infections
|August 30, 2023
概括
手部感染中的细菌血,通常来自动物咬伤或关节感染,表明严重程度更高,需要更多的干预. 血液培养对于诊断至关重要,16S rRNA基因PCR有助于培养阴性病例.
科学领域:
- 传染性疾病 传染性疾病
- 微生物学 微生物学
- 紧急医疗 紧急医疗
背景情况:
- 手部感染在急诊室经常发生.
- 黄金葡萄球菌是手和血液感染的常见原因.
- 早期检测细菌病是控制手部感染的关键.
研究的目的:
- 确定急性手部感染患者的细菌病的发生频率和影响.
- 为了提高手部感染的微生物学诊断策略.
- 为了将细菌病与临床严重程度和治疗结果相关联.
主要方法:
- 在没有先前抗生素治疗的情况下,对90名急性手部感染患者进行前性研究.
- 在手术前进行血液培养和组织样本分析.
- 广谱细菌16S核糖体RNA (rRNA) 基因聚合酶链反应 (PCR) 对于培养负样本.
主要成果:
- 六名患者 (6.6%) 呈现出细菌血症,主要是动物咬伤和关节内肺炎.
- 细菌性患者有更多的手术,更长的住院时间,更高的CRP水平,并且年龄较大.
- 16S rRNA基因PCR在14个培养负病例中的3个中 (21.4%) 确定了病原体.
结论:
- 在手术前进行血培养对于识别细菌病作为手部感染严重程度的标志物至关重要.
- 血液培养特别适用于深度动物咬伤和关节脉.
- 16S rRNA基因PCR是一种宝贵的工具,用于诊断培养负手感染样本中的病原体.
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