在新生儿重症监护病房监测对美西林敏感的金黄色葡萄球菌的殖民和感染
L Mahieu1, A Engelen2, E Hensels2
1Department of Neonatal Intensive Care, Antwerp University Hospital, Edegem, Belgium; Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium.
The Journal of hospital infection
|October 20, 2023
概括
在新生儿中对甲素敏感的金黄色葡萄球菌 (MSSA) 的殖民化显著增加了感染风险. 了解像分娩方式这样的殖民化因素是防止新生儿重症监护室环境中MSSA感染的关键.
科学领域:
- 新生儿重症监护室 (NICU) 的感染.
- 微生物殖民和感染动态.
- 黄金葡萄球菌流行病学
背景情况:
- 对甲素敏感的金黄色葡萄球菌 (MSSA) 在新生儿重症监护室构成重大健康风险,细菌殖民增加了感染,发病率和死亡率的可能性.
- 对MSSA殖民和感染的监测对于了解传播和在脆弱的新生儿群体中制定预防策略至关重要.
研究的目的:
- 进行一项回顾性队列研究,评估NICU患者的MSSA殖民和感染率.
- 确定与MSSA殖民和新生儿随后感染相关的风险因素.
主要方法:
- 从2020年11月到2022年6月,对MSSA殖民 (喉,鼻子,门,沟) 和感染 (侵入性和非侵入性) 的每周微生物监测数据的分析.
- 使用逐步后勤回归来比较MSSA感染和殖民风险,并对潜在的混因素进行调整.
主要成果:
- 在接受查的383名新生儿中,42.8%患有MSSA. 殖民化的重要风险因素包括更长的住院时间,阴道分娩和极低的妊娠年龄 (<28周).
- MSSA殖民是整体MSSA感染 (29.3%的殖民婴儿) 和侵入性MSSA感染 (6.1%的殖民婴儿) 的主要风险因素.
- 极低出生体重 (<1000g),极低妊娠年龄和侵入性通风是MSSA感染的重要危险因素.
结论:
- 产后MSSA殖民和随后感染之间的强烈关联突出了预防性干预的潜在途径.
- 需要进一步的研究来阐明将阴道分娩与新生儿MSSA殖民联系在一起的特定机制及其临床影响.
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