Hand Hygiene among Anesthesiologists and Microorganisms Contamination in Anesthesia Environments: A Single-Center Observational Study.

Hong Lei Liu; Ya Li Liu; Fang Yan Sun; Zong Chao LI; Hong Yu Tan; Ying Chun XU

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Hand Hygiene among Anesthesiologists and Microorganisms Contamination in Anesthesia Environments: A Single-Center Observational Study.

Author: Hong Lei LIU ^{1
,

2} ; Ya Li LIU ^{3
,

4
,

5} ; Fang Yan SUN ⁶ ; Zong Chao LI ⁷ ; Hong Yu TAN ⁷ ; Ying Chun XU ^{3
,

4
,

5}
Author Information

1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education, Beijing), Department of Anesthesiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
2. Graduate School, Capital Medical University, Beijing 100069, China.
3. Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Beijing 100730, China
4. Graduate School, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
5. Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing 100730, China.
6. Infection Control Department, Peking Union Medical College Hospital, Peking Union Medical College, Beijing 100730, China.
7. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education, Beijing), Department of Anesthesiology, Peking University Cancer Hospital & Institute, Beijing 100142, China.
Publication Type:Journal Article
Keywords: Anesthesia environments; Anesthesiologists; Contamination; Hand hygiene
MeSH: Female; Humans; Male; Anesthesia; Anesthesiologists/statistics & numerical data*; Disinfection/standards*; Hand Hygiene/statistics & numerical data*; Staphylococcal Infections; Operating Rooms/statistics & numerical data*; Staphylococcus aureus/isolation & purification*
From: Biomedical and Environmental Sciences 2022;35(11):992-1000
CountryChina
Language:English
Abstract: OBJECTIVE:To investigate the baseline levels of microorganisms' growth on the hands of anesthesiologists and in the anesthesia environment at a cancer hospital.
METHODS:This study performed in nine operating rooms and among 25 anesthesiologists at a cancer hospital. Sampling of the hands of anesthesiologists and the anesthesia environment was performed at a ready-to-use operating room before patient contact began and after decontamination.
RESULTS:Microorganisms' growth results showed that 20% (5/25) of anesthesiologists' hands carried microorganisms (> 10 CFU/cm ²) before patient contact began. Female anesthesiologists performed hand hygiene better than did their male counterparts, with fewer CFUs ( P = 0.0069) and fewer species ( P = 0.0202). Our study also found that 55.6% (5/9) of ready-to-use operating rooms carried microorganisms (> 5 CFU/cm ²). Microorganisms regrowth began quickly (1 hour) after disinfection, and increased gradually over time, reaching the threshold at 4 hours after disinfection. Staphylococcus aureus was isolated from the hands of 20% (5/25) of anesthesiologists and 33.3% (3/9) of operating rooms.
CONCLUSION:Our study indicates that male anesthesiologists need to pay more attention to the standard operating procedures and effect evaluation of hand hygiene, daily cleaning rate of the operating room may be insufficient, and we would suggest that there should be a repeat cleaning every four hours.