在糖尿病和非糖尿病足部感染中对甲基西林耐药的金黄色葡萄球菌
Lawrence A Lavery1,2, Mario C Reyes1, Mehmet Suludere1
1Department of Plastic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
International wound journal
|September 13, 2024
概括
甲素耐药黄金葡萄球菌 (MRSA) 感染在足部感染中不常见,再感染的发生率很低. 与糖尿病患者相比,非糖尿病患者面临的MRSA感染和再感染风险明显更高.
科学领域:
- 传染性疾病 传染性疾病
- 微生物学 微生物学
- 临床医学 临床医学
背景情况:
- 甲素耐药黄金葡萄球菌 (MRSA) 是导致医院感染的重要病原体.
- 脚部感染,特别是在中度至重度病例中,需要仔细的微生物学评估.
- 了解MRSA发生率和结果对于有效的患者管理至关重要.
研究的目的:
- 确定中度至重度足部感染的患者MRSA感染,再感染和转换的发生率.
- 在这个患者队列中,比较MRSA和其他细菌感染之间的临床结果.
- 识别与MRSA感染和再感染相关的风险因素.
主要方法:
- 对446名入院患者中度或重度足部感染的回顾性审查.
- 在索引入院期间获得的组织和骨培养的分析.
- 转换的定义是从对甲素敏感的金黄色葡萄球菌转移到后续培养中的MRSA.
主要成果:
- 总体MRSA发病率为7.8%,软组织感染 (7.7%) 和骨髓炎 (8.0%) 的发病率相似.
- 与糖尿病患者 (3.2%) 相比,非糖尿病患者 (23.8%) 的MRSA发病率明显高.
- 在40.8%的患者中发生了再感染,转化为MRSA的比例为2.2%. 没有糖尿病的人患MRSA再感染的风险要高得多 (28.6%对1.9%).
- 与其他感染 (69.3%) 相比,MRSA患者的愈合伤口比例更高 (82.4%). 在其他临床结果 (如截肢或住院率) 中没有发现显著差异.
结论:
- 在中度至严重的足部感染中,MRSA,再感染和转化为MRSA的发生率相对较低.
- 非糖尿病状态是最初的MRSA感染和随后的再感染的重要风险因素.
- 虽然MRSA感染与更好的伤口愈合率有关,但可能需要进一步的研究来阐明所有临床影响.
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