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摘要 　对美国《卫生保健设施通风标准》和《卫生保健设施设计与建造指南》与我国《医院洁净手术部建筑技术规范》等相关标准对新风量、过滤级别、压差、噪声和温湿度等指标的规定进行了详细的对比分析，认为应借鉴先进理念，重视工程投资和运行成本效益及节能效果，并据以对相关的规范条文作适当修订。 关键词 手术室 过滤等级 换气次数 洁净 卫生 消毒杀菌 Comparison and analysis of clauses of hospital ventilation and air conditioning system in related regulations of China and USA on main technical indexes By Xu Huoju Abstract Performs detailed comparison and analysis of the main index of fresh air volume, filter class, pressure difference, noise, temperature and humidity regulated in the ANSI/ASHRAE/ASHE Standard 1702008, Guidelines for design and construction of health care facilities and Chinas national standardthe Architectural technical code for hospital clean operating department, etc. Argues that great importance should be attached to the effectiveness of the initial investment and operation costs, and to the energy efficiency in engineering, which suggests imperative revision of some items in the current code. Keywords operation room, filter class, air changes, clean, hygiene, sterilization