Feel bad nobody replied to this.
Unfortunately I don't really have any useful or reassuring advice to give. All I can say is I understand your fears (I'm petrified of Crohn's and obstructions myself), but that's about
it. As far as the small bowel kinking is concerned, it seems like it can do this years after the original surgery.
en.wikipedia.org/wiki/Adhesion_(medicine)#Abdominal_adhesionsWhat happened to Rosemary was tragic. I do think (and hope) it was extremely rare though. Good luck with your laparoscopy surgery: hope the stoma can be left alone.