Worldwide experiences of endoscopic submucosal dissection: Not just Eastern acrobatics

Table 1 Recent outcomes of endoscopic resection for early gastric cancer

Author	Yr	No. (lesion/patient)	Method	En blocrate (%)	Complete resection rate (%)	Follow-up (mo/range)	Complications (%)		Local recurrence rate (%)	3-yr residual/free recurrence rate (%)	3-yr overall survivalrate (%)	5-yr overall survival rate (%)	5-yr disease-specific survival rate (%)
							Bleeding	Perforation
Oda et al[6]	2006	714/655	EMR 411	56.0	61.1	38 (6-60)	0.1	1.2	7.5	92.5	99.2	NA	NA
	Retrospective		ESD 303	92.7	73.6			3.6	2.4	97.6
Oka et al[7]	2006	1025/896	EMR 825/711	43.4	24.6	83.2	3.9	0.5	3.5 (31/825)	NA	NA	NA	NA
	Retrospective		ESD 195/185	92.8	92.8	19.4	6.2	9.7	0 (0/195)
Imagawa et al[8]	2006	196/185	ESD	93.0	84.0	17.6 (1.3-45.7)		6.1	0 (0/164)	NA	NA	NA	NA
	Retrospective
Jung et al[28]	2007	1327/NA	EMR-P 775	NA	91.0	NA	6.3	0.8	NA	NA	NA	NA	NA
	Retrospective		ESD 552		95.1		7.6	2.7
Takenaka et al[54]	2008	306/275	ESD	NA	80.4	26 (26-64)	0.6	5.2	0 (0/177)	NA	NA	NA	NA
	Prospective
Isomoto et al[10]	2009	589/551	ESD	94.9	94.7	30 (6-89)	1.8	4.5	0 (0/468)	NA	> 97.2	97.1	100
	Retrospective
Goto et al[25]	2009	276/231	ESD	96.7	91.7	36 (2-93)	5.1	4.0	0.9 (2/212)	99.1	96.2	96.2	100
	Retrospective
Nakamoto et al[26]	2009	202/177	EMR 80	53.8	37.5	54 (12-89)			17.5 (14/80)	82.51	100	100	100
	Retrospective		ESD 122	94.3	92.6	34 (14-62)	1.6	2.5	0	0
Chung et al[29]	2009	1000/952	ESD	95.3	87.7	NA	15.6	1.2	NA	NA	NA	NA	NA
	Retrospective
Jang et al[30]	2009	402/402	ESD	89.7	87.9	30 (9-49)	7.4	2.9	5.1 (10/198)	94.9	NA	NA	NA
	Retrospective	(107 LGD/97 HGD/198 EGC)
Min et al[31]	2009	346/243	EMR-P 103	77.7	75.7	29 (4-44)	3.9	1.9	0 (0/80)	NA	NA	NA	NA
	Retrospective		ESD 243	95.9	88.9	17 (4-37)	5.3	4.5	0 (0/191)
Chang et al[32]	2009	70/70	ESD	91.4	92.8	NA	5.7	4.3	2.8	NA	NA	NA	NA
	Retrospective

¹Overall 5-year recurrence free rate. LGD: Low-grade dysplasia; HGD: High-grade dysplasia; NA: Not applicable; EGC: Early gastric cancer; ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection; EMR-P: precutting followed by snare resection.