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美蓝又名亚甲蓝、氯化四甲基硫堇,临床上主要作为氧化还原剂。同时,亦是一种良好的染色剂。近年来,有关美蓝染色的临床应用进展较大,兹作一介绍。1、诊断多种瘘道或脏腔穿孔(1)胃或肠瘘胃或小肠手术后有时可并发瘘,但有时诊断不易肯定。此时可予口服稀美蓝液,若腹壁创口内有蓝色液体流出,则表示胃肠吻合或肠管已形成外瘘。通过定时观察创口排出美蓝量的多少,可初步估计瘘口的大小;
Methylene blue, also known as methylene blue, tetramethylthioninium chloride, clinically mainly as a redox agent. At the same time, it is also a good stain. In recent years, the United States blue dye clinical application of larger progress, hereby make an introduction. 1, the diagnosis of a variety of fistula or dirty perforation (1) stomach or intestinal fistula After the operation of the stomach or small intestine sometimes complicated by fistula, but sometimes not easy to diagnose. At this point oral bluish blue liquid may be given, if there is a blue liquid out of the abdominal wall wound, it means that gastrointestinal anastomosis or intestinal fistula has been formed. Observe the size of the fistula initially by regularly observing the amount of methylene blue discharged from the wound;