消化器内視鏡の偶発症―内視鏡学会全国調査より：2008～2012年までの5年間

Endoscopic Complications: Results of the Japan Gastroenterological Endoscopy Society Survey from 2008 to 2012

要旨　2008～2012（平成20～24）年の5年間における消化器関連の偶発症数は，総検査数17,087,111件に対して12,548件（0.073％）であった。観察のみの偶発症の発生率0.014％に対し，治療的な内視鏡検査での偶発症発生率は0.67％と約50倍高かった。死亡事案は220件あり，特に70歳以上の高齢者での死亡が165件と全体の3/4を占めた。

　During five years from 2008 to 2012, a total of 17,087,111 digestive endoscopic examinations were performed. The number of the digestive endoscopy-related accidents was 12,548 (0.073%). The incidence of accidents related observational endoscopy was 0.014%, while that for therapeutic endoscopy was 0.67％, which was approximately 50 times as high as that of observational endoscopy. A total of 220 digestive endoscopy-related death cases were reported. Of them, 165 were older than 70 years and consisted of approximately three-quarters of death cases.