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人乳对足月婴儿是理想的营养物品。但对未成热儿是否如此呢?作者报道1例妊娠26周、体重595g的女婴,于生后第12天开始完全母乳喂养,生后血清电解质正常。于5个月时发现佝偻病串珠、大的前囟和颅骨软化,X线发现佝偻病征象。血清钙5.6mEq/L,磷1.6～1.8mg/dL,1,25-(OH)_2VitD_3显著升高。肾小管对磷重吸收超过99.9%。检查母乳钙、磷含量正常。患儿用磷酸钾治疗后血磷上升,血钙下降,肾小管对磷的重吸收下降。治疗3个月后血生化及X线
Human milk is ideal for full-term infants. However, this is the case for young adults? The authors report that a 26-week-old pregnant baby weighing 595 g started full breastfeeding on the 12th day after giving birth with normal serum electrolytes. Found at 5 months rickets beaded, large bregma and skull softening, X-ray signs of rickets. Serum calcium 5.6mEq / L, phosphorus 1.6 ~ 1.8mg / dL, 1,25- (OH) _2VitD_3 significantly increased. Tubular reabsorption of phosphorus over 99.9%. Check breast milk calcium, phosphorus content is normal. After treatment of children with potassium phosphate increased phosphorus, decreased serum calcium, renal tubular reabsorption of phosphorus decreased. Blood biochemistry and X-ray after 3 months treatment