Clin Endosc.  2021 Sep;54(5):771-773. 10.5946/ce.2021.027.

Endoscopic Biopsy Technique using an Alcohol Swab to Prevent Transmission through the Instrument Channel in the COVID-19 Era

• Fukunaga S
• Manabe T
• Kono M
• Ochiai T
• Higashimori A
• Ominami M
• Nagami Y
• Fujiwara Y

• KMID: 2520564
• DOI: http://doi.org/10.5946/ce.2021.027

Figure

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  Fig. 1. (A) Droplets of fluorescent dye illuminated with ultraviolet light identified on the neck and mask of an endoscopist. (B) Droplets of fluorescent dye found on endoscopist’s chest.

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  Fig. 2. (A) Ahead of biopsy, an alcohol swab package taped near the instrument channel port. (B) The endoscopist continues to hold down the top of the biopsy valve, “sandwiching” the forceps by the swab to stabilize until the forceps are slowly pulled out by an assistant.

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  Fig. 3. The temporal changes of particle counts in each size per cubic feet during esophagogastroduodenoscopy. The red and blue arrows are the timing of biopsies without and with alcohol swab, respectively.

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