严重急性结肠炎是炎症性肠病的罕见并发症,其表现为体温>38℃,心率<100/min,血便>5次/d.其基本处理原则已熟知,皮质类固醇治疗亦得到公认,水杨酰偶氮磺胺吡啶已表明对急性溃疡性结肠炎有效,对急性克隆氏结肠炎也有作用.若并发中毒性巨结肠或穿孔.死亡率可高达30～60%.Truelove等提出应先以内 Severe acute colitis is a rare complication of inflammatory bowel disease, manifested as body temperature> 38 ℃, heart rate <100 / min, bloody stools> 5 times / d.The basic principles of treatment are well known, corticosteroid therapy has also been recognized, water Sulfasalazine has been shown to be effective in acute ulcerative colitis and in acute colitis, with a mortality of up to 30-60% if toxic megacolows or perforation are complicated.