Yoshiaki Ando

Submucosal Lidocaine Injection in Colonic Endoscopic Submucosal Dissection: A Single‐Center, Double‐Blind, Randomized Controlled Trial

OBJECTIVES: Colonic spasm is one of the major technical challenges encountered during colonic endoscopic submucosal dissection (ESD), impairing visualization of the dissection plane and scope maneuverability. Submucosal lidocaine injection may help to overcome this challenge. Thi...