Korean J Gastrointest Endosc.  2004 Jun;28(6):284-290.

Value of Peracetic Acid (SCOTELIN(R)) for Endoscope Disinfection

  • 1Department of Internal Medicine, Hanyang University College of Medicine, Guri, Korea. hands@hanyang.ac.kr
  • 2Department of Clinical Pathology, Hanyang University College of Medicine, Guri, Korea.


Two percent glutaradehyde has been the reference disinfectant for high-level disinfection, but often requires long period of exposure up to 45 minutes. The aims of this study were to evaluate the effectiveness of a new endoscope disinfectant that uses 0.2% peracetic acid, and to compare the culture-positive rate in each different endoscopes and washers used. MEHTODS: Three endoscopes and two washers that differed in purchase year were used. They were cleansed manually and disinfected with peracetic acid for 10 minutes. A total of 86 gastroduodenal endoscopic sessions were included in the study.
Overall culture-positive rate was 37.2%, majority of which came from washings of biopsy channel. There was a significant difference in culture-positive rate according to the machine used. Culture positive rate was 11.4% in recently purchased endoscope and washer used. Of the 28 Helicobactor pylori positive cases, there was one Helicobactor pylori DNA PCR positive case, but no Helicobactor pylori was found.
When new endoscope and washer is used, peracetic acid is effective as a disinfectant. Significant difference in culture rate according to the different machine used might come from the aging effect and difference of cleansing power of the washer.


Peracetic acid; Glutaradehyde; Disinfectant; Culture rate
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