Methods Take the 24 hour urine of 81 cases of MBD at before and after treatment and detect the indes of NE, DA, 5-HT etc by using technique of HPLC.

• 方法将81例MBD患儿分别在治疗前，治疗后取24H尿用高效液相色谱技术检测去甲肾上腺素(NE)，多巴胺(DA)，5-羟色氨(5-HT)等指标。