Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators

The use of extracorporeal oxygenation and CO<sub>2</sub> removal has gained clinical validity and popularity in recent years. These systems are composed of a pump to drive blood flow through the circuit and a hollow fiber membrane bundle through which gas exchange is achieved. Mathematic...

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Main Authors: Katelin S. Omecinski, William J. Federspiel
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Bioengineering
Subjects:
Online Access:https://www.mdpi.com/2306-5354/9/10/568
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author Katelin S. Omecinski
William J. Federspiel
author_facet Katelin S. Omecinski
William J. Federspiel
author_sort Katelin S. Omecinski
collection DOAJ
description The use of extracorporeal oxygenation and CO<sub>2</sub> removal has gained clinical validity and popularity in recent years. These systems are composed of a pump to drive blood flow through the circuit and a hollow fiber membrane bundle through which gas exchange is achieved. Mathematical modeling of device design is utilized by researchers to improve device hemocompatibility and efficiency. A previously published mathematical model to predict CO<sub>2</sub> removal in hollow fiber membrane bundles was modified to include an empirical representation of the Haldane effect. The predictive capabilities of both models were compared to experimental data gathered from a fiber bundle of 7.9 cm in length and 4.4 cm in diameter. The CO<sub>2</sub> removal rate predictions of the model including the Haldane effect reduced the percent error between experimental data and mathematical predictions by up to 16%. Improving the predictive capabilities of computational fluid dynamics for the design of hollow fiber membrane bundles reduces the monetary and manpower expenses involved in designing and testing such devices.
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spelling doaj.art-24e46df367554e059697bb2f3caee25a2023-11-23T22:57:59ZengMDPI AGBioengineering2306-53542022-10-0191056810.3390/bioengineering9100568Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane OxygenatorsKatelin S. Omecinski0William J. Federspiel1McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USAMcGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USAThe use of extracorporeal oxygenation and CO<sub>2</sub> removal has gained clinical validity and popularity in recent years. These systems are composed of a pump to drive blood flow through the circuit and a hollow fiber membrane bundle through which gas exchange is achieved. Mathematical modeling of device design is utilized by researchers to improve device hemocompatibility and efficiency. A previously published mathematical model to predict CO<sub>2</sub> removal in hollow fiber membrane bundles was modified to include an empirical representation of the Haldane effect. The predictive capabilities of both models were compared to experimental data gathered from a fiber bundle of 7.9 cm in length and 4.4 cm in diameter. The CO<sub>2</sub> removal rate predictions of the model including the Haldane effect reduced the percent error between experimental data and mathematical predictions by up to 16%. Improving the predictive capabilities of computational fluid dynamics for the design of hollow fiber membrane bundles reduces the monetary and manpower expenses involved in designing and testing such devices.https://www.mdpi.com/2306-5354/9/10/568hollow fiber membrane bundleoxygenatorextracorporeal oxygenationextracorporeal CO<sub>2</sub> removalHaldane effectartificial lung
spellingShingle Katelin S. Omecinski
William J. Federspiel
Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
Bioengineering
hollow fiber membrane bundle
oxygenator
extracorporeal oxygenation
extracorporeal CO<sub>2</sub> removal
Haldane effect
artificial lung
title Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
title_full Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
title_fullStr Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
title_full_unstemmed Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
title_short Improvement of a Mathematical Model to Predict CO<sub>2</sub> Removal in Hollow Fiber Membrane Oxygenators
title_sort improvement of a mathematical model to predict co sub 2 sub removal in hollow fiber membrane oxygenators
topic hollow fiber membrane bundle
oxygenator
extracorporeal oxygenation
extracorporeal CO<sub>2</sub> removal
Haldane effect
artificial lung
url https://www.mdpi.com/2306-5354/9/10/568
work_keys_str_mv AT katelinsomecinski improvementofamathematicalmodeltopredictcosub2subremovalinhollowfibermembraneoxygenators
AT williamjfederspiel improvementofamathematicalmodeltopredictcosub2subremovalinhollowfibermembraneoxygenators