The aim of our study was to evaluate the difference of effectiveness between daily and after-each-case room disinfection in the endoscopy unit during the COVID-19 pandemic.
This study divided into 2 groups: daily room disinfection and after-each-case room disinfection. Each group was also subdivided into general anesthesia or non-general anesthesia gastroscopy, and with or without ventilation consultation room. Samples collection include: operation unit air (six-stage sieve percussion air sampler for sampling, airflow rate 28.3L/min, sampling time 4 min); workstation's mouse (wiping sterile cotton for sampling); endoscopist's gown, control panel buttons, and patient's bed headboard (contact plate for sampling).
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
240
After-each-case room disinfection was defined as after completing each case.
Daily room disinfection was defined as disinfection after completing 8 non-general anesthesia gastroscopy or 4 general anesthesia gastroscopy.
First Affiliated Hospital of Zhejiang Chinese Medical University
Hangzhou, Zhejiang, China
Qualified rate of room disinfection
The samples of workstation's mouse, control panel buttons and patient's bed headboard greater than 10 CFU/cm2, samples of endoscopist's gown greater than 200 CFU/suit, and samples of operation unit air greater than 500 CFU/m3 are deemed as an unacceptable level of bioburden.
Time frame: 48 hours
The number of colony-forming units (CFU)
The number of colony-forming units (CFU) of operation unit air, workstation's mouse, endoscopist's gown, control panel buttons, and patient's bed headboard.
Time frame: 48 hours
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