Increasing potential risks of contamination from repetitive use of endoscope

Dae Hyung Lee, Dong Bin Kim, Hyun Yong Kim, Hyun Sook Baek, Soon Young Kwon, Mi Hee Lee, Jongchul Park

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Background Medical devices inserted into the human body can be divided into single-use devices and reusable medical devices (RMDs) depending on the method of use. RMDs are applied to >1 patient, and users reprocess them prior to repeat use. Therefore, reprocessing of RMDs has become more difficult, and issues related to infection risk have become more prevalent. Methods Research was performed to compare differences in surface alterations between not-aged (NA) samples and accelerated-aging (AA) samples. NA and AA samples were exposed to potential contaminants and treated with the same cleaning conditions. Then the residual contaminants were analyzed, and adhesion characteristics were investigated. Results Significant differences between the 2 sample groups were observed in the pattern of physical surface alterations. Similar to the endoscope for clinical use, a deep crack was found in the surface of the AA sample. According to the binding affinity test, highly likely potential contaminants were found more frequently on AA samples. Conclusion The results suggest the necessity of limiting the duration of time that RMDs may be used, considering the potential risk of infection from repetitive use of RMDs, and also raised the possibility of applying this simulation model of AA. This methodology can be applied to various RMDs, including endoscopes.

Original languageEnglish
Pages (from-to)e13-e17
JournalAmerican Journal of Infection Control
Volume43
Issue number5
DOIs
Publication statusPublished - 2015 May 1

Fingerprint

Endoscopes
Equipment and Supplies
Infection
Human Body
Research

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Health Policy
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

Cite this

Lee, Dae Hyung ; Kim, Dong Bin ; Kim, Hyun Yong ; Baek, Hyun Sook ; Kwon, Soon Young ; Lee, Mi Hee ; Park, Jongchul. / Increasing potential risks of contamination from repetitive use of endoscope. In: American Journal of Infection Control. 2015 ; Vol. 43, No. 5. pp. e13-e17.
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Increasing potential risks of contamination from repetitive use of endoscope. / Lee, Dae Hyung; Kim, Dong Bin; Kim, Hyun Yong; Baek, Hyun Sook; Kwon, Soon Young; Lee, Mi Hee; Park, Jongchul.

In: American Journal of Infection Control, Vol. 43, No. 5, 01.05.2015, p. e13-e17.

Research output: Contribution to journalArticle

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AU - Lee, Dae Hyung

AU - Kim, Dong Bin

AU - Kim, Hyun Yong

AU - Baek, Hyun Sook

AU - Kwon, Soon Young

AU - Lee, Mi Hee

AU - Park, Jongchul

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N2 - Background Medical devices inserted into the human body can be divided into single-use devices and reusable medical devices (RMDs) depending on the method of use. RMDs are applied to >1 patient, and users reprocess them prior to repeat use. Therefore, reprocessing of RMDs has become more difficult, and issues related to infection risk have become more prevalent. Methods Research was performed to compare differences in surface alterations between not-aged (NA) samples and accelerated-aging (AA) samples. NA and AA samples were exposed to potential contaminants and treated with the same cleaning conditions. Then the residual contaminants were analyzed, and adhesion characteristics were investigated. Results Significant differences between the 2 sample groups were observed in the pattern of physical surface alterations. Similar to the endoscope for clinical use, a deep crack was found in the surface of the AA sample. According to the binding affinity test, highly likely potential contaminants were found more frequently on AA samples. Conclusion The results suggest the necessity of limiting the duration of time that RMDs may be used, considering the potential risk of infection from repetitive use of RMDs, and also raised the possibility of applying this simulation model of AA. This methodology can be applied to various RMDs, including endoscopes.

AB - Background Medical devices inserted into the human body can be divided into single-use devices and reusable medical devices (RMDs) depending on the method of use. RMDs are applied to >1 patient, and users reprocess them prior to repeat use. Therefore, reprocessing of RMDs has become more difficult, and issues related to infection risk have become more prevalent. Methods Research was performed to compare differences in surface alterations between not-aged (NA) samples and accelerated-aging (AA) samples. NA and AA samples were exposed to potential contaminants and treated with the same cleaning conditions. Then the residual contaminants were analyzed, and adhesion characteristics were investigated. Results Significant differences between the 2 sample groups were observed in the pattern of physical surface alterations. Similar to the endoscope for clinical use, a deep crack was found in the surface of the AA sample. According to the binding affinity test, highly likely potential contaminants were found more frequently on AA samples. Conclusion The results suggest the necessity of limiting the duration of time that RMDs may be used, considering the potential risk of infection from repetitive use of RMDs, and also raised the possibility of applying this simulation model of AA. This methodology can be applied to various RMDs, including endoscopes.

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