Safe procedure in endoscopic submucosal dissection for colorectal tumors focused on preventing complications

Table 1 The rate of perforation and postoperative hemorrhage in ESD for colorectal tumors

Author	Country	n	Perforation rate (%)	Postoperative hemorrhage rate (%)
Fujishiro et al[10]	Japan	200	10.4	1.0
Hurlstone et al[16]	UK	42	2.3	2.3
Tanaka et al[8]	Japan	70	10.0	1.4
Tamegai et al[11]	Japan	71	1.4	0.0
Toyonaga et al[15]	Japan	468	1.5	1.5
Yoshida et al[12]	Japan	119	7.5	1.6
Zhou et al[14]	China	74	8.1	1.3
Takeuchi et al[13]	Japan	50	2.0	12.01
Isomoto et al[17]	Japan	292	8.2	0.7

¹This study included mild hemorrhage cases which did not need endoscopic treatment. ESD: Endoscopic submucosal dissection.