If drugs for colonic inertia have not worked you would probably be more comfortable with having your colon removed. However, that will do nothing to alleviate your Crohn's which you probably already know. I am not sure about your weight loss, have you been out of remission with Crohn's? Someone who is more familiar with CI could probably tell you if it's related to that. I had UC.
dx proctitis in 1987
dx UC in 1991, was stable until 1998
1998 started prednisone, asacol, pentasa, nortriptylene, ativan, 6MP, rowasa enemas and suppositories, hydrocortisone enemas, tried the SCD diet, being a vegetarian, omega 3s, flax, pranic healing, yoga, acupuncture, probiotics
2000 lost all my B-12 stores and became anemic
2001 opted for j-pouch surgery- now living life med-free