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目的:分析医院空气层流洁净室启用前空气尘埃粒子的检测结果。方法:新医疗楼中2间百级手术室,6间万级手术室和8间万级分散送风空气层流洁净区域,共计16间空气层流洁净室数据作回顾性分析。结果:16间空气层流洁净室在首次检测中,9间合格,合格率为56.25%。7间不合格房间分别为2间百级手术室(手术室5号和6号)和重症医学科5间洁净室(双人间、病区、治疗室、单人间、负压病房)。对超标洁净室采取加强与相邻房间密闭性和(或)彻底清洁卫生的整改措施后,百级手术室5号和6号手术间的周边区(千级)各采样点≥0.5μm和≥5.0μm的空气粒子数均下降,差异显著(P<0.05);重症医学科病区、双人间、治疗室和负压病房(万级)各采样点≥5.0μm的空气粒子数均下降,差异显著(P<0.05)。结论:对重症监护室、手术室等空气层流洁净室进行空气尘埃粒子的监测,对提高空气层流洁净室的空气质量、控制微生物数量和降低医院感染的发生率具有重要的意义。
OBJECTIVE: To analyze the detection results of the airborne dust particles before the air laminar flow clean room in the hospital was opened. Methods: Two 100-level operating rooms, 6 10,000-level operating rooms and 8 10,000-level scattered air-supply air laminar flow clean areas in the new medical building were analyzed. A total of 16 laminar air-clean room data were retrospectively analyzed. Results: Among the 16 air laminar flow clean rooms, 9 were qualified at the first test, with a pass rate of 56.25%. Seven unqualified rooms were 2 Class 100 operating rooms (operating rooms No. 5 and No. 6) and 5 critical clean rooms (double rooms, wards, treatment rooms, single rooms, negative pressure wards). For the excessive clean room to strengthen and adjacent room airtightness and (or) thorough cleaning and hygiene of rectification measures, one hundred operating room 5 and 6 in the surrounding area (1000) sampling points ≥ 0.5μm and ≥ (P <0.05). The number of air particles≥5.0μm in each of the critical medical subjects, double rooms, treatment rooms and negative pressure wards (million) were decreased, the difference was statistically significant Significant (P <0.05). Conclusion: The monitoring of airborne dust particles in air laminar flow clean rooms in intensive care units and operating rooms plays an important role in improving air quality, controlling the amount of microorganisms and reducing the incidence of nosocomial infections in laminar air clean rooms.