Comparison of different methods of intestinal obstruction in a rat model

Table 1 Criteria for scoring macromorphous intestinal damage

Feature	Description	Score
Adhesions	None	0
	Slight, ileum can be separated from other tissues with little effort	1
	Involved in a number of intestinal loops	2
Stenosis	None	0
	Slight	2
	Severe, proximal intestinal distention	3
Ulceration	None	0
	Damage extended to < 1 cm along the length at one site	1
	Damage extended to < 1 cm along the length at two sites	2
	Damage extended to > 1 cm along the length at one siteor multiple lesions	3
Bowel wall	< 1 mm	0
thickness	1-3 mm	1
	> 3 mm	2
Total score		10