Precision in programmed infusion flow of enteral nutrition pumps
DOI:
https://doi.org/10.51481/amc.v50i3.382Keywords:
infusion pumps , enteral nutritionAbstract
Justification and aim: To evaluate in vitro the accuracy of volume infusion of peristaltic enteral nutrition pumps to determine if this variable may be responsible for error's in the administration of nutrition support.
Materials and Methods: Thirteen pumps were evaluated through simulation using a model that resembles the administration of enteral nutrition to a patient. For every case, we used an standard formula diluted as recommended by the manufacturer. A volume of 240 mL was programmed to be infused at 40 ml per hour. For each case, time was measured until finishing the volume, comparing to the programmed time and calculating the delivery error.
Results: In 12 of 13 pumps, we detected error by excess, which varied from 7.5% to 52.5%. Only one pump showed an error of 0%. None of the pumps demonstrated infusion less than programmed.
Conclusion: Most of the pumps analysed demonstrate high percentage of error in comparison to what is accepted by the manufacturer.
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