Histology assessment of bipolar coagulation and argon plasma coagulation on digestive tract

Table 1 Involvement of digestive wall layers by argon plasma coagulation in the esophagus

Time	1 s			3 s			5 s
Power setting	50 W	70 W	90 W	50 W	70 W	90 W	50 W	70 W	90 W
Energy amount	50 J	70 J	90 J	150 J	210 J	270 J	250 J	350 J	450 J
M int	89%	-	78%	89%	-	89%	78%	-	89%
M M	67%	-	56%	89%	-	89%	78%	-	89%
M P	0%	-	11%	0%	-	0%	11%	-	0%

M int: Intermediate mucosa; MM: Muscularis mucosa; MP: Muscularis própria; J: Joule.

Table 6 Involvement of digestive wall layers by bipolar electrocoagulation in the colon

Time	1 s		3 s		5 s		10 s
Power setting	20 W	50 W	20 W	50 W	20 W	50 W	20 W	50 W
Energy amount	20 J	50 J	60 J	150 J	100 J	250 J	200 J	500 J
M int	64%a	60%a	55%a	100%	91%	100%	82%	90%
M M	9%a	30%a	27%a	55%	55%	82%	64%	60%
M P	0%	0%	0%	0%	0%	0%	9%	10%

^aP < 0.05 vs argon plasma coagulation. M int: Intermediate mucosa; MM: Muscularis mucosa; MP: Muscularis própria; J: Joule.