Can I read Effect of Non-return Valves on the Time-of-arrival of New Medication in a Patient After Syringe Exchange in an Infusion Set-up on EtoBox?

Effect of Non-return Valves on the Time-of-arrival of New Medication in a Patient After Syringe Exchange in an Infusion Set-up by Maurits K. Konings; Robin Gevers; Sabrine Mejri; Annemoon M. Timmerman is a Medicine article available to read on EtoBox.

What is Effect of Non-return Valves on the Time-of-arrival of New Medication in a Patient After Syringe Exchange in an Infusion Set-up about?

## Abstract The presence of a non-return valve in an infusion set-up is expected to affect the time-of-arrival of new medication in a patient after syringe exchange. Using Computational Fluid Dynamics (CFD) we have studied the flow through a typical non-return valve, focusing on two separate effects: (A) the overall delay in the time-of-arrival, and (B) timing effects due to the distortion of the Poiseuille flow profile in the non-return valve. The results show that (A) the additional delay in time-of-arrival of new medication, caused by the non-return valve alone, corresponds to the delay that would be caused by 11.2 cm of extra infusion line instead of the valve, and that (B) the non-Poiseuille flow profile inside the non-return valve gives rise to an extra slow wash-out of the last portion of the remnant fluid of the old medication. We conclude that awareness of these extra delays may be important for clinicians in certain time-critical situations.

Who reads Effect of Non-return Valves on the Time-of-arrival of New Medication in a Patient After Syringe Exchange in an Infusion Set-up?

Author

Maurits K. Konings; Robin Gevers; Sabrine Mejri; Annemoon M. Timmerman

Publisher

Walter de Gruyter GmbH

Published

2022

Language

EN

Field

Medicine (Health Sciences)