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近15年的一些报告提出,作为诊断标志使用亚甲蓝和其他染料。作者所在的新生儿监护单位用亚甲蓝判定空肠饲管位置,出现了异染粒(Heiz body)性溶血性贫血,提示今后婴儿服用亚甲蓝时要警惕发生此种贫血的潜在危险,现报告2例如下。例1 1,220g,其母21岁,孕期31周。因体重低及呼吸状态欠佳,第2天开始行鼻空肠管喂养,经空肠管注入0.1％亚甲蓝2～3 ml(2～3mg)和抽吸胃液,以估计饲管位置,如吸取物澄清,可认为管已通过幽
Some reports over the past 15 years have suggested the use of methylene blue and other dyes as diagnostic markers. The author’s newborn care unit uses methylene blue to determine the location of the jejunal feeding tube and presents with Heiz body haemolytic anemia, suggesting that future infants taking care of methylene blue should be alert to the potential risk of such anemia. The report is as follows. Example 1 1,220g, the mother of 21 years old, 31 weeks of pregnancy. Due to low body weight and poor respiratory status, nasogastric jejunal feeding started on the second day. The jejunal tube was infused with 0.1-3% methylene blue (2-3 mg) and aspirated gastric juice to estimate the feeding tube position Clarification can be that the tube has passed quiet