Cases report: severe colonic bleeding in ulcerative colitis is refractory to selective transcatheter arterial embolization

摘要

BackgroundSevere haemorrhage is an uncommon but life-threatening complication of ulcerative colitis (UC). Superselective transcatheter embolization has shown to be an effective and safe therapeutic modality in patients with lower gastrointestinal bleeding of various aetiologies; nevertheless, its role in UC-related acute bleeding is unknown.