Unsedation colonoscopy can be not that painful: Evaluation of the effect of "Lamaze method of colonoscopy".

Aim: To evaluate the pain relieving effect of intervention with "Lamaze method of colonoscopy" in the process of colonoscopy.

Methods: Five hundred and eighty-five patients underwent colonoscopy were randomly divided into three groups, Lamaze group, anesthetic group and control group. Two hundred and twenty-four patients of Lamaze group, the "Lamaze method of colonoscopy" were practiced in the process of colonoscopy.

Application of blunt dissection in ESD of a gastric submucosal tumor.

We performed endoscopic submucosal dissection of a gastric fundus tumor. It was difficult to strip the tumor completely due to space limitation, and we used blunt dissection to remove the tumor quickly and safely. Firstly, the basal area of the 2.