Endoscopic submucosal dissection for gastrointestinal neoplasms

Table 2 Bleeding and perforation rate of various endoscopic submucosal dissection methods for stomach, esophagus and colorectum

Site	Author	Year	Method	Total cases	Bleeding (%)	Perforation (%)
Stomach	Yamamoto[33]	2002	EMRSH	70	4	0
	Ishigooka[34]	2004	s-ERHSE	34	0	12
	Oda[35]	2005	ESD-IT knife	1 033	6	4
	Kakushima[32]	2006	ESD-Flex knife	383	3.4	3.9
	Imagawa[36]	2006	ESD-Flex knife	159	0	6.1
	Oyama[37]	2006	ESD-Hook knife	111	-	1
	Onozato[38]	2006	ESD-Flex knife	171	7.6	3.5
	Hirasaki[39]	2007	ESD-IT knife	112	4	1
Esophagus	Oyama[8]	2005	ESD-Hook knife	102	-	0
	Fujishiro[11]	2006	ESD-Flex knife	58	0	6.9
Colorectum	Fujishiro[31]	2007	ESD-Flex knife	200	1	6
	Saito[40]	2007	ESD-several knives	200	2	5
	Tanaka[41]	2007	ESD-several knives	70	1.4	10
	Tamegai[42]	2007	ESD-Hook knife	74	-	1.4
	Hurlstone[50]	2007	ESD-Flex knife	42	12	2.4
	Onozato[43]	2007	ESD-Flex knife	35	0	2.9