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对机械通气条件下院内感染性肺炎的认识 被引量:18

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摘要 院内感染性肺炎是机械通气最常见的并发症,目前主要的致病菌为革兰氏阴性菌,但革兰氏阳性菌有逐年增加的趋势。在机械通气的过程中,病原菌由消化道向呼吸道的移位及吸入被认为是发生院内感染性肺炎的重要机制。气管插管、呼吸机及其辅助装置的应用、病人的原发病、治疗手段和病区环境污染等因素都可通过不同的机制导致或加重院内感染性肺炎。目前对于机械通气条件下院内感染性肺炎的确诊和抗生素的选择主要依靠病原学检查。经过多家医院的实践,一项控制院内感染性肺炎的指导方针在降低该病的发病率方面已取得了显著的效果。
出处 《国外医学(儿科学分册)》 2001年第3期144-147,共4页 Foreign Medical Sciences(Section of Pediatrics)
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