국문 초록
Background: Despite the rise in the number of domestic indoor climbing gyms, there is a lack of specific
hygiene standards and research on the holds installed in them. Holds can act as vectors for microbial
transmission through the hands, posing a risk of infectious diseases, especially with damaged skin.
Objectives: The aim of this study is to investigate the contamination level and species of microorganisms
on holds according to the management methods practiced in indoor climbing gyms and identify effective
strategies for reducing microbial contamination.
Methods: We investigated factors that may influence microbial contamination of holds, including hold
management methods, user information, and hygiene management at three climbing gyms in Seoul. A total
of 72 holds were sampled, 18 for each management method of brushing, high-pressure washing, and ethanol
disinfection. Samples were cultured on LB and blood agar at 37°C for 48 hours to calculate CFUs. PCR assay
targeting 16S rRNA was carried out to identify microorganisms. Dunn-Bonferroni was employed to see the
microbial reduction effect of the management method and the difference in microbial contamination by
management method and climbing gym.
Results: As a result of microbial identification, microorganisms such as Bacillus, Staphylococcus, and
Micrococcus, which were derived from various environments such as skin and soil, were discovered on the
surface of the climbing hold. Among the discovered microorganisms, some species had potential pathogenic
properties that could cause food poisoning, gastrointestinal disease, bacteremia, and sepsis. All hold
management methods were effective in reducing microorganisms (p<0.05), with ethanol disinfection being
the most effective (p<0.001).
Conclusions: Our results indicate that there are potential pathogens on holds that demand thorough
management for microbial prevention. Proposed methods include regular brushing and ethanol disinfection
in addition to high-pressure washing with long cycles, which are the existing forms of hold management.
Further studies on shoe management are advised to curb soil-derived microorganisms.
영문 초록
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