Endoscopic ligation for benign and malignant lesions of upper digestive tract

Table 1 Ligation compared with sclerotherapy for the variceal bleeding

n		Effective rate (n)	Bleeding times (yr)		Rebleeding (%)	Complication (n)
			B-T	A-T		Dysphagia	Others
LT	78	94.8% (74/78)	2.35	0.15	3.80%	4	0
ST	32	90.6% (29/32)	2.4	1.1	30%	3	9

B-T: Before treatment; A-T: After treatment; LT: Ligation treatment; ST: Sclerotherapy

Table 2 The sloughing off time for the ligated polyp and early cancers

Lesion type	n	Cases with different sloughing off time
		4-5 (d)	6-8 (d)	9-10 (d)
Polyp
TP	8	5	3	0
SP	7	4	3	0
LP	6	1	4	1
Early cancer1
Gastric CA	3	1	2	0
Esophageal Ca	2	0	2	0

¹No cancerous cells were found in the resected specimen of 5 early stage cancers. TP: Thick polyp; SP: Sub pedunculated polyp; LP: Long pedunculated polyp.