Endoscope Disinfection with Acid Electrolyzed Water

Masuda, Tomoyuki; Oikawa, Keiichi; Oikawa, Hiroki; Sato, Shin-ichiro; Sato, Kunio; Kano, Atsushi

doi:10.1111/j.1443-1661.1995.tb00130.x

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…Okubo et al [23] have reported that bacteria do not survive in an en vironment with a redox potential greater than 900 mV and a pH lower than 3. The ability of AEW to achieve general disinfection was also reported by Iwasaki et al [22] and Masuda et al [24]. The present study investigated the use fulness of an AEW generator for disinfecting endoscopes.…”

Section: Discussionsupporting

confidence: 69%

“…consists of water, excess protons (H + ) and a small amount of chlorine and hypochlorous acid (Cl 2 , HCIO). AEW has a strong oxidizing ability, with a redox potential greater than 1000mV and a pH lower than 2.7 [22][23][24][25]. Bacteria are unlikely to survive in this solution, since HCIO and Cl ; oxidize cell membranes, inactivate enzymes, and denature the nucleic acids of pathogens.…”

Section: Introductionmentioning

confidence: 99%

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Endoscope Disinfection Using Acidic Electrolytic Water

Tsuji

Kawano²,

Oshita³

et al. 1999

Endoscopy

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Section: Discussionsupporting

confidence: 69%

Section: Introductionmentioning

confidence: 99%

Endoscope Disinfection Using Acidic Electrolytic Water

Tsuji

Kawano²,

Oshita³

et al. 1999

Endoscopy

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“…This study, however, shows the effectiveness of both agents for this purpose. ESAW is corrosive to metals, 8,12…”

Section: Comparison Of Superoxidized and Ozonated Water For Disinfecting Endoscopesmentioning

confidence: 99%

Comparison of the Microbicidal Activities of Superoxidized and Ozonated Water in the Disinfection of Endoscopes

et al. 2003

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The microbicidal activities of superoxidized water (electrolysed strong acid water [ESAW] or electrolysed weak acid water [EWAW]), ozonated water, 0.05% chlorhexidine and 2% glutaraldehyde were tested against seven strains of clinical micro-organism isolates. Following incubation of bacterial suspensions in ESAW and EWAW for 10 s, the number of micro-organisms was reduced below the detection limit. The microbicidal activities of ESAW and EWAW were similar to that of glutaraldehyde, and superior to ozonated water and 0.05% chlorhexidine. The microbicidal activities of ESAW, EWAW and ozonated water were markedly diminished in the presence of albumin. Microbial contamination of upper gastrointestinal endoscopes was detected after 90 endoscopic procedures, but treatment of the endoscope with ESAW, EWAW or ozonated water eradicated the microbes. These results indicate that ESAW and EWAW are effective disinfectants after mechanical cleaning of upper gastrointestinal endoscopes, and can, therefore, be used in the endoscopy unit.

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Electrochemically activated solutions: evidence for antimicrobial efficacy and applications in healthcare environments

Thorn

Lee

Robinson

et al. 2011

Eur J Clin Microbiol Infect Dis

107

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Due to the limitations associated with the use of existing biocidal agents, there is a need to explore new methods of disinfection to help maintain effective bioburden control, especially within the healthcare environment. The transformation of low mineral salt solutions into an activated metastable state, by electrochemical unipolar action, produces a solution containing a variety of oxidants, including hypochlorous acid, free chlorine and free radicals, known to possess antimicrobial properties. Electrochemically activated solutions (ECAS) have been shown to have broad-spectrum antimicrobial activity, and have the potential to be widely adopted within the healthcare environment due to low-cost raw material requirements and ease of production (either remotely or in situ). Numerous studies have found ECAS to be highly efficacious, as both a novel environmental decontaminant and a topical treatment agent (with low accompanying toxicity), but they are still not in widespread use, particularly within the healthcare environment. This review provides an overview of the scientific evidence for the mode of action, antimicrobial spectrum and potential healthcare-related applications of ECAS, providing an insight into these novel yet seldom utilised biocides.

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Endoscope Disinfection with Acid Electrolyzed Water

Cited by 4 publications

References 3 publications

Endoscope Disinfection Using Acidic Electrolytic Water

Endoscope Disinfection Using Acidic Electrolytic Water

Comparison of the Microbicidal Activities of Superoxidized and Ozonated Water in the Disinfection of Endoscopes

Electrochemically activated solutions: evidence for antimicrobial efficacy and applications in healthcare environments

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