Parenteral nutrition in a neonatal intensive care unit: galenic stability of four all-in-one admixtures

被引:0
|
作者
Bourcier, Elsa [1 ]
Poullain-Termeau, Stephanie [1 ]
机构
[1] Ctr Hosp Intercommunal Creteil, Dept Pharm, F-94010 Creteil, France
关键词
all in one parenteral nutrition; galenic stability; zeta potential; particle size; neonates; premature newborns; LIPID EMULSIONS; FAT EMULSIONS; TEMPERATURE; INFANTS;
D O I
10.1136/ejhpharm-2014-000625
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Objective Premature newborns and infants suffering from digestive and extradigestive pathologies often need parenteral nutrition to cover their nutritional needs. Our objective is to assess the galenic stability of four all-in-one parenteral nutrition admixtures (PNAs) intended for neonates. Methods A retrospective analysis of 238 prescriptions a given day per week over 6months was conducted. Four formulae were then elaborated, testing different conditions. Galenic stability was assessed during 7days through visual inspection, calcium concentration measurement, pH measurement, Zeta potential and particle size measurement. Results No signs of creaming or coalescence or phase separation were observed. Calcium concentrations remained stable for the four formulae. pH ranged from 5.4 to 6 and remained stable. Zeta potential ranged from -32 to -38mV and remained stable during the whole study for the four formulae. Droplet size distribution curves followed a Gauss curve and were strictly identical to the control (Medialipide) distribution curve. The De Brouckere mean diameter of globules was 0.38 mu m and the maximum diameter was 0.78 mu m. Conclusions Although further physicochemical analyses should be performed to complete our results, the four all-in-one PNAs we studied can be considered as stable from a galenic point of view and meet French recommendations based on current European Pharmacopoeia and US Pharmacopoeia < 729 > chapter criteria. For clinical practice, we set the lower limit of lipid percentage at 4% and the use-by date at 3days between 2 degrees C and 8 degrees C and 24h between 25 degrees C and 30 degrees C.
引用
收藏
页码:285 / 290
页数:6
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