期刊
ANTIBIOTICS-BASEL
卷 8, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/antibiotics8040268
关键词
total parenteral nutrition; ampicillin; HPLC-DAD; validation
资金
- National Science Centre, Poland grant SONATA [2015/17/D/NZ7/00792]
Background: The administration of total parenteral nutrition (TPN) is a common procedure in intensive care units, where the concomitant use of other intravenous medication is frequently needed. One of the particularly dangerous complications for neurosurgical patients is meningitis, for which high doses of ampicillin (AMP) are used. In such cases, the addition of AMP to TPN admixtures would be a desirable procedure. Thus, the AMP determination method in TPN admixture was developed and validated. Methods: An isocratic HPLC analysis was performed on a LiChrospher C18 end-capped column (250 mm, 4.6 mm, 5 mu m) with a C18 pre-column (LiChrospher 100, 4 mm, 5 mu m). The flow rate was 1.0 mL min(-1) and the detection wavelength was 230 nm. System suitability parameters, such as capacity factor, numbers of the theoretical plate, asymmetry factor, as well as validation parameters, including method precision, accuracy, linearity, selectivity, and robustness, were set up. Results: The method was shown to be linear, precise, accurate, specific, and robust, and it can be used for the quantitative analysis of AMP in TPN admixtures. Conclusions: The degradation of AMP in the TPN admixtures occurred according to first order kinetics. The degradation rate was high and dependent on the composition of the mixture and the storage conditions (t(0.5) varied from 142.44 h to 300.45 h).
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