甲素耐药黄金球菌鼻:使用趋势和与结果的关联
Hayley B Gershengorn1,2, Hannah Wunsch3,4,5, Bhavarth Shukla6
1Division of Pulmonary, Critical Care and Sleep Medicine, University of Miami Miller School of Medicine, Miami, FL, USA.
Antimicrobial stewardship & healthcare epidemiology : ASHE
|August 14, 2025
概括
早期使用抗甲素黄金葡萄球菌 (MRSA) 鼻的情况在美国各医院有很大差异,随着时间的推移而增加. 使用更高的拭子的医院与MRSA特异性抗生素治疗的更短持续时间有关.
科学领域:
- 传染性疾病 传染性疾病
- 临床微生物学 临床微生物学
- 医疗保健服务研究 医疗服务研究
背景情况:
- 甲素耐药黄金葡萄球菌 (MRSA) 构成了医疗保健方面的重大挑战.
- 通过鼻子拭子早期检测MRSA殖民,可以为治疗策略提供信息.
- 抗生素管理计划旨在优化抗菌剂的使用并减少耐药性.
研究的目的:
- 检查在美国医院早期使用MRSA鼻的趋势和医院间的差异.
- 调查早期MRSA鼻使用与患有败血症和机械通风患者MRSA特异性抗生素减缓之间的关联.
主要方法:
- 使用PINC-A1医疗保健数据库 (2008-2021) 的回顾性队列研究.
- 包括入院时存在败血症的成年患者,他们在医院第一天接受了侵入性机械通风.
- 评估了早期 (到医院第二天) 基于聚合酶连锁反应的MRSA鼻使用的趋势和变化.
- 使用竞争风险多变量回归来分析抽样使用强度和抗MRSA抗生素持续时间之间的关联.
主要成果:
- 分析了来自788家医院的699,474名患者的抽样使用趋势.
- 早期MRSA鼻使用率从2008年的3.5%增加到2021年的29.5%.
- 观察到抽样使用的医院间差异很大 (中位数为6.0%,范围为0%-98.0%).
- 与使用较少的医院 (<10%) 相比,在使用大量拭子的医院 (≥90%) 的患者服用抗MRSA抗生素的持续时间较短 (aSHR:1.17,P = .007).
结论:
- 早期基于聚合酶连锁反应的MRSA鼻使用越来越多,但在美国医院中显示出很大差异.
- 较高的早期MRSA鼻使用率与抗MRSA抗生素治疗的持续时间缩短有关.
- 这些发现表明,早期使用MRSA鼻可能有助于降低抗生素升级策略.
相关概念视频
Sputum Studies II: Culture and Sensitivity
591
Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
591
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
288
Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
288


