患儿误吞异物临床常见,光滑的异物多可自行排出,而表面不光滑或有锐角的异物易停留于食管或胃内,久之可致食管、胃肠出血或穿孔。 对幼儿做胃镜检查可因哭闹而造成插镜困难,另外由于幼儿食管较细,镜身通过有一定难度。因此,我们认为应注意以下几点:①选用适当的胃镜型 Children swallowed foreign body clinical common, smooth foreign body can be more self-discharge, and the surface is not smooth or acute foreign body easily stay in the esophagus or stomach, for a long time can cause esophageal, gastrointestinal bleeding or perforation. Gastroscopy on children can be caused by crying and difficult to insert mirror, the other due to smaller esophageal children, the mirror body through a certain degree of difficulty. Therefore, we think it should pay attention to the following points: ① choose the appropriate gastroscope type