Novel technique for endoscopic en bloc resection (EMR+) - Evaluation in a porcine model

Table 1 Results of endoscopic mucosal resection ex vivo

Resection	Specimen L × B × H (mm)	Time injection1 (min)	Time resection2 (min)	Time EMR+ (min)
1	30 × 27 × 10	4	7	11
2	25 × 24 × 10.4	3	3	6
3	30 × 24 × 9.2	3	3	6
4	22 × 20 × 7	4	3	7
5	31 × 25 × 13.3	3	3	6
6	35 × 25 × 11.6	2	4	6
7	34 × 29 × 12.7	2	3	5
8	40 × 33 × 14.4	3	2	5
9	29 × 25 × 8.8	3	4	7
10	32 × 26 × 10.3	4	3	7
11	30 × 25 × 11.4	3	2	5
12	30 × 26 × 9.6	2	9	11
13	30 × 28 × 12,4	2	4	6
14	25 × 22 × 8.5	3	4	7
15	30 × 29 × 10.5	5	3	8
16	36 × 30 × 13.5	3	4	7
17	33 × 30 × 16.6	4	5	9
18	32 × 28 × 14.4	2	5	7
19	25 × 25 × 12.7	3	4	7
20	26 × 22 × 6.5	4	5	9
21	29 × 29 × 11.5	4	4	8
22	37 × 30 × 10.1	2	4	6
Median	30 × 26 × 11	3	4	7

¹Time from injection to complete lifting of lesion and flushing with warm water.

²Time from snare opening to extraction of resection specimen (all resections were performed in the area of the greater curvature).

Table 2 Results of endoscopic mucosal resection in vivo

Resec-tion	SpecimenL × B × H (mm)	Time injection1 (min)	Time resection2 (min)	Time EMR+ (min)	Adverse events	Macroscopic complete
1	40 × 35 × 10	2	6	8	-	Yes
2	40 × 35 × 11	6	3	9	-	Yes
3	40 × 38 × 13	2	6	8	-	Yes
4	40 × 38 × 13	2	10	12	-	Yes
5	30 × 30 × 12	2	6	8	-	No
6	35 × 35 × 11	2	4	6	-	Yes
7	40 × 40 × 11	2	2	4	-	Yes
8	35 × 35 × 9	1	2	3	-	Yes
9	35 × 35 × 13	2	2	4	-	Yes
10	35 × 38 × 10	3	2	5	-	Yes
11	40 × 35 × 14	1	2	3	-	Yes
12	35 × 35 × 9	2	3	5	Minor bleeding3	Yes
13	35 × 35 × 8	2	2	4	-	Yes
Median	35 × 35 × 11	2	3	5	-	-

¹Time from injection to complete lifting of lesion.

²Time from snare opening to extraction of resection specimen (all resections were performed in the area of the greater curvature).

³Management by coagulation.