Monitoring analysis of disinfection effectiveness of medical institutions in Longgang District of Shenzhen from 2017 to 2021
Objective To investigate the disinfection situation of medical institutions in Longgang District,Shenzhen.Methods The disinfection effect of medical institutions in Longgang District from 2017 to 2021 was continuously monitored by on-site environmental monitoring(illuminance,noise,etc.)and microbial(total number of bacteria)testing methods.Results From 2017 to 2021,a total of 42 350 samples were collected and 40 556 were qualified,and the qualified rate was 95.76%.The highest qualified rate was in municipal hospitals,and the annual monitoring qualification rate of outpatient departments and individual clinics showed an upward trend(x2trend= 71.420,P＜0.001).Among them,the qualification rate of air(x2trend=36.391,P＜0.001),object surface(x2trend=12.571,P＜0.001)and medical staff hands(x2trend=16.289,P＜0.001)increased year by year.The overall qualification rate of ultraviolet lamp and air disinfection was low,and the qualification rate of sterilizer,cross-section wind speed and noise decreased year by year.Among the clean room environmental indicators,the qualified rate of static pressure difference showed an upward trend(x2trend=13.177,P＜0.001).Conclusion The overall quality of disinfection in medical institutions in Shenzhen is good.
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