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The effect of patient's body weight, infusion connection point, and infusion pump position on intravenous multi-infusion drug delivery at low infusion rates suitable for premature neonates. | LitMetric
Introduction : Parenteral drug administration in the neonatal intensive care involves complex pharmacotherapy adjusted for the patient's weight, fluid allowance, and complex multi-infusion systems.Objectives : We investigated the delivery rate of a model drug through a multi-infusion system consisting of six intravenous infusions.Methods : Delivery rate of the model drug was determined after infusion initiation and termination. Measurements were collected spectrophotometrically in real time. Time to drug delivery and the amount of drug delivered were measured.Key Findings : The longest time to drug delivery was observed for a 500 g neonate model with a distal infusion connection point and neutral pump position (337 ± 30 min, P < 0.001). The shortest time was observed for a 1000 g neonate model in the combination of proximal infusion connection point and neutral pump position (18 ± 12 min, P < 0.05). The expected 100% of the drug was delivered only in two combinations: 500 g and 1000 g neonate models, proximal infusion connection point and neutral pump position (100.4 ± 4.7%, P = 0.819 and 100.2 ± 2.7%, P = 0.874, respectively). While the least drug was delivered to a 500 g neonate model in the combination of distal infusion connection point and neutral pump position (27.5 ± 5.8%, P < 0.001).Conclusions : Delayed drug delivery to premature neonates due to multi-infusion systems may compromise accurate drug administration and lead to dosing errors.
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