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目的了解重症医学科(ICU)医务人员的咽部细菌寄殖情况,分析其与重症患者呼吸机相关性肺炎(VAP)发生率的关系。方法回顾性分析ICU医务人员咽拭子培养结果和同期机械通气患者痰培养结果及VAP发生率。结果连续6个月,医务人员咽拭子阳性率为6.25%~15.6%,VAP发生率在22.2%~28.5%之间;咽拭子培养出致病菌与机械通气患者痰培养出细菌一致;检出株数有随VAP发生率增加而增加趋势。结论医务人员与机械通气并发肺部感染患者之间存在交叉感染;医院感染管理工作中,需要重视医务人员医院感染的预防及控制。
Objective To understand the pharyngeal bacterial colonization of medical staff in intensive care unit (ICU) and analyze its relationship with the incidence of ventilator-associated pneumonia (VAP) in critically ill patients. Methods The results of throat swab culture in ICU medical staff and sputum culture results and incidence of VAP in patients with mechanical ventilation during the same period were retrospectively analyzed. The results showed that the positive rate of throat swab was 6.25% -15.6% and the incidence of VAP was 22.2% -28.5% for medical staff for 6 months. The throat swabs were identical with those of sputum culture in mechanically ventilated patients. The number of detected strains increased with the incidence of VAP. Conclusion There is a cross-infection between medical staff and patients with pulmonary infection due to mechanical ventilation. In hospital infection management, attention should be paid to prevention and control of hospital-based infection among medical staff.