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Safe Practice of Y-Site Drug Administration: The Case of Colistin and Parenteral Nutrition

Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, 6 Grunwaldzka, 60-780 Poznań, Poland
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Pharmaceutics 2020, 12(3), 292; https://doi.org/10.3390/pharmaceutics12030292
Received: 4 February 2020 / Revised: 15 March 2020 / Accepted: 21 March 2020 / Published: 24 March 2020
A serious problem in everyday clinical practice is the co-administration of drugs using the same infusion line. Potential complications of co-administration of incompatible drugs include precipitation in the infusion line or central venous catheter leading to its occlusion. Administration of precipitate and large lipid droplets into the venous system may lead to the embolization of capillaries and local or systemic inflammatory reactions, with the consequences of venous thrombosis, chronic venous insufficiency, and even pulmonary embolism. The co-administration of drugs must always be confirmed and clearly defined. The study aimed to determine the interaction between colistin (COL) in the dose used during intermittent hemodialysis and five different ready-to-use PN admixtures (PN) (Kabiven, Smofkabiven, Olimel N9E, Nutriflex Lipid Special, and Nutriflex Omega Special). COL-PN compatibilities were tested by comparing physicochemical properties (pH, zeta potential, lipid emulsion particle size) of COL and PN at three time points: immediately after sample preparation, after ten minutes, and after four hours. No changes in the visual inspection were observed. Both PN without COL and COL-PN samples remained white, homogeneous oil-in-water emulsions with no signs of phase separation, precipitation, or color change. There were no significant changes in pH, and the mean droplet diameter remained below the acceptance limit of 500 nm. The zeta potential and osmolality of COL-PN samples ranged from −21.4 to −7.22 mV and from 567 to 1304 mOsm/kg, respectively. The COL does not influence the physical stability of studied PN admixtures. The co-infusion of COL with Kabiven, Nutriflex Lipid Special, Olimel N9E, Nutriflex Omega Special, and Smofkabiven is possible in the dose used during intermittent hemodialysis. View Full-Text
Keywords: medical errors; parenteral nutrition; Y-site administration; drug interaction; colistin medical errors; parenteral nutrition; Y-site administration; drug interaction; colistin
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Stawny, M.; Gostyńska, A.; Nadolna, M.; Jelińska, A. Safe Practice of Y-Site Drug Administration: The Case of Colistin and Parenteral Nutrition. Pharmaceutics 2020, 12, 292.

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