TITLE

Effectiveness of Manual Cleaning and Disinfection of Gastroendoscopes With 3% Glutaraldehyde for Decreasing the Risk of Transmission of Hepatitis C Virus

AUTHOR(S)
Sakai, Noriko; Tatsuta, Masaharu; Iishi, Hiroyasu; Yano, Hiroyuki; Osaka, Sadako; Aoki, Atsuko
PUB. DATE
June 2001
SOURCE
American Journal of Gastroenterology;Jun2001, Vol. 96 Issue 6, p1803
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
OBJECTIVES: The effectiveness of manual cleaning and disinfection of gastroendoscopes with 3% glutaraldehyde in decreasing the risk of transmission of hepatitis C virus (HCV) was examined. METHODS: Gastroendoscopes used for treatment of endoscopic esophageal variceal ligation in patients with HCV infection were manually cleaned and disinfected with 3% glutaraldehyde (n = 25), 2% glutaraldehyde (n = 17), or 0.1% benzethonium chloride (n = 25). Samples were obtained by pouring 20 ml of 0.9% NaCl solution into the biopsy-suction channel of the scope before and after cleaning and disinfection. HCV was detected with the polymerase chain reaction. RESULTS: Of the 25 scopes in 3% glutaraldehyde group, nine (36%) were positive for HCV before cleaning and disinfection, but all became negative after cleaning and disinfection; the difference was statistically significant (p < 0.01). In contrast, in 2% glutaraldehyde group and in the routine cleaning group, there were no significant differences in the number of positive samples between before and after cleaning and disinfection. CONCLUSION: Manual cleaning and disinfection of gastroscopes with 3% glutaraldehyde is useful for decreasing the risk of transmission of HCV among patients.
ACCESSION #
17636882

 

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