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目的研究手术参观人员对百级、千级和万级三个级别的层流手术室空气中菌落数的影响。方法选取分别在三个级别手术室进行的手术各60例,再各分为控制参观人员组30例,未控制参观人员组30例。在手术前、手术开始后40 min及2 h测定三个级别层流手术室的菌落数。结果手术开始后未控制组的手术间空气菌落数比控制组明显增加,两组有显著性差异(P<0.05);手术开始后40 min无论是控制组还是未控制组,手术间的菌落数明显高于手术开始后2 h,差异具有统计学意义(P<0.05)。结论手术参观人员对手术室的菌落数有明显影响,加强手术参观人员的管理对感染控制非常重要。
Objective To study the influence of surgical staff on the airborne laminar flow in laminar flow operating room at three levels of one hundred, one thousand and one thousand. Methods Sixty cases were selected for operation in three operating rooms respectively, and then divided into control visiting group (30 cases) and uncontrolled visiting group (30 cases). The number of colonies in three levels of laminar flow operating room was determined before operation, 40 min after operation and 2 h after operation. Results The number of air colonies in the control group was significantly higher than that in the control group after the operation was started (P <0.05). The numbers of colonies in the control group and control group at 40 minutes after the operation started The difference was statistically significant (P <0.05) 2 h after operation. Conclusion The number of colonists in the operating room has a significant impact on the number of colonies visited by surgical staff. Strengthening the management of surgical staff is very important for infection control.