Maximization of calcium and phosphate in neonatal total parenteral nutrition

被引:5
作者
Maruyama, Hidehiko [1 ]
Saito, Jumpei [2 ]
Nagai, Miki [2 ]
Mochizuki, Mai [2 ]
Ishikawa, Yoichi [2 ]
Ito, Yushi [1 ]
机构
[1] Ctr Maternal Fetal Neonatal & Reprod Med, Div Neonatol, Tokyo, Japan
[2] Natl Ctr Child Hlth & Dev, Dept Pharm, Tokyo, Japan
关键词
calcium; pH; phosphate; precipitation; total parenteral nutrition; ORGANIC CALCIUM; PHYSICAL COMPATIBILITY; ADMIXTURES; PHOSPHORUS; SALTS; SOLUBILITY;
D O I
10.1111/ped.13579
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
BackgroundAppropriate calcium and phosphate supplementation is essential for bone growth in preterm infants. Using Rehabix-K2 (AY Pharmaceuticals, Tokyo, Japan) and Pleamin-P Injection (Fuso Pharmaceutical Industries, Osaka, Japan) as the total parenteral nutrition (TPN) and amino acid solution, respectively, we investigated ways of maximizing calcium and phosphate in the TPN solution. MethodsRehabix-K2, Pleamin-P, calcium gluconate, sodium phosphate, 50% glucose, and water were mixed in varying proportions to create 16 formulations. Precipitation assessment was done three times for each of the 16 formulations, and was based on the Japanese Pharmacopeia. ResultPrecipitation was observed 24h after mixing when the calcium and phosphate were 60mEq/L and 30mmol/L or 80mEq/L and 40 mmol/L, respectively. No precipitation was observed when the calcium and phosphate were 20mEq/L and 10mmol/L, respectively. Precipitation was observed once out of three times, when the calcium and phosphate were 40mEq/L and 20mmol/L, respectively, and the amino acids were 2% and 3% (mean pH, 6.13 and 6.26, respectively). No precipitation was observed, however, when the calcium and phosphate were 40mEq/L and 20mmol/L, respectively, and the amino acids were 0% and 1% (mean pH, 5.88 and 6.05, respectively). ConclusionNot only the concentration of calcium and phosphate, but also the pH of the TPN solution, are crucial factors for precipitation. Based on these results, a well-balanced TPN solution maximizing calcium and phosphate availability will be able to be formulated.
引用
收藏
页码:634 / 638
页数:5
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