Endoscopic radial incision and cutting technique for treatment-naive stricture of colorectal anastomosis: Two case reports

Table 3 Previous report of only using endoscopic radical incision and cutting for anastomotic stenosis (review of the literature)

	Kawaguti et al[12]	Harada et al[14]	Osera et al[11]	Asayama et al[13]	Our study
Number of the patient, n	1	3	7	3	2
Median age (yr), (range)	67	62 (NA)	66 (56-72)	72 (65-76)	62.5 (47-78)
Gender (male:female)	NA	3:0	6:1	3:0	0:2
Median interval from surgery to RIC (mo), (range)	NA	7 (5-12)	11 (5-44)	21 (9-29)	3.5 (3-4)
AS location	R	R	R	T, S, S	R
Temporary stoma at time of RIC, n	1	1	3	NA	1
Treatment naive AS, n	1	0	0	2	2
Previous treatment of RIC, n	None	3	7	1	None
Bougie dilatation		NA	5	0
Endoscopic balloon dilatation		NA	2	1
Endoscopic RIC with single session, n	1	2	4	2	2
Mean number of RIC sessions	1	1.3	2.3	2.7	1
Median procedure time (min), (range)	12	69.5 (35-82)	18 (7-34)	22 (15-25)	16 (12-20)
Major complication	None	None	None	None	None
Median post-procedural hospital stay (d), (range)	NA	3.5 (3-4)	3 (2-5)	4 (2-5)	2.5 (2-3)
Median follow-up after RIC (mo), (range)	8	17 (3-33)	27 (18-55)	25 (5-34)	21.5 (20-23)
Treatment after restenosis, n	0	1	2	1	0
Treatment failure, n	0	0	2	0	0

RIC: Radial incision and cutting; AS: Anastomotic stenosis; NA: Not available; R: Rectum; T: Transverse colon; S: Sigmoid colon.