Restorative proctocolectomy has become the surgical treatment of choic
e in ulcerative colitis. Most commonly, this is performed as a staged
procedure which includes formation of a defunctioning loop ileostomy,
High output loop ileostomies are associated with both local and system
ic complications. We describe two patients with loop ileostomies who d
eveloped acute arterial thrombosis, a complication not previously desc
ribed, thus further emphasizing the importance of careful management a
nd early reversal of high output ileostomies. Eur J Gastroenterol Hepa
tol 10:795-796 (C) 1998 Lippincott Williams & Wilkins.