人体肠道内存有大量的大肠杆菌和其他菌群,正常情况时相互拮抗,维持平衡。在原发疾病严重(或手术后),机体消耗显著和应用抗菌素(尤其是广谱抗菌素)的情况下,容易发生菌群失调,导致伪膜性肠炎,称为肠道菌群交替症,严重时可威胁患者生命,现报告两例。 1.病例介绍 例1,男性,63岁,因突然腹痛于73年9月4日入院,消瘦体型,心肺无异常。板状腹,满腹压痛反跳痛, There are a large number of human intestinal tract E. coli and other flora, normally antagonistic to maintain balance. In severe primary disease (or after surgery), the body consumes significant and the use of antibiotics (especially broad-spectrum antibiotics), prone to flora, leading to pseudomembranous colitis, known as intestinal flora alternation, severe When it can threaten the lives of patients, are reported in two cases. 1. case introduction Example 1, male, 63 years old, due to sudden abdominal pain on September 4, 73 admission, weight loss, no abnormal heart and lung. Plate-shaped belly, full of tenderness rebound pain,