Is simply covering the patient's mouth with a surgical mask during transnasal endoscopy sufficient as an anti-COVID-19 measure?

• Yohei Nose,
• Tomo Ishida,
• Tomoki Makino,
• Tsuyoshi Takahashi,
• Yukinori Kurokawa,
• Hidetoshi Eguchi,
• Yuichiro Doki,
• Kiyokazu Nakajima

Affiliations

Yohei Nose

Department of Next Generation Endoscopic Intervention (Project ENGINE), Graduate School of Medicine, Osaka University, Osaka, Japan

Tomo Ishida

Department of Next Generation Endoscopic Intervention (Project ENGINE), Graduate School of Medicine, Osaka University, Osaka, Japan

Tomoki Makino

Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan

Tsuyoshi Takahashi

Department of Next Generation Endoscopic Intervention (Project ENGINE), Graduate School of Medicine, Osaka University, Osaka, Japan

Yukinori Kurokawa

Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan

Hidetoshi Eguchi

Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan

Yuichiro Doki

Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan

Kiyokazu Nakajima

Department of Next Generation Endoscopic Intervention (Project ENGINE), Graduate School of Medicine, Osaka University, Osaka, Japan