- Exhaustive surgical treatment will be defined as indicated operations for complications of Crohn's Disease up to the point where the risks of surgery (for example, mortality or post-operative morbidity such as short bowel syndrome or extensive adhesions with high risk for inadvertent enterotomy) are deemed by patients and their physicians to be unacceptably high; indicated operations for complications of Crohn's Disease include, but are not limited to, surgical resection of involved intestine, stricturoplasty, drainage, curettage, or adhesiolysis of tissues affected by Crohn's disease