“…Subtotal colectomy with ileostomy and preservation of the rectal remnant is the preferred surgical treatment for patients with acute severe colitis refractory to medical treatment (1,2). In Sweden, the postoperative mortality rate after elective surgery is about 1%, but recent studies have shown mortality rates as high as 12.9% (3,4) after emergency colectomies. The morbidity after surgery is high, especially after emergency surgery, with figures about 30%-40% (2,(5)(6)(7)(8)(9).…”