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Simulation of intraluminal gas transport processes in the microcirculation
J D Hellums1, P K Nair, N S Huang
1Cox Laboratory for Biomedical Engineering, Rice University, Houston, TX 77005, USA.
Annals of Biomedical Engineering
|January 1, 1996
Summary
Intraluminal resistance to gas transport was ignored for decades, leading to inaccurate models. Recent research corrects this, improving quantitative simulations of gas exchange between blood and tissues.
Area of Science:
- Physiology
- Biophysics
- Microcirculation
Background:
- Historically, intraluminal resistance to gas transport was overlooked in microcirculation research.
- This oversight persisted for approximately 50 years, stemming from early foundational work.
Purpose of the Study:
- To review the historical context of neglecting intraluminal resistance.
- To highlight the progress in developing accurate, quantitative models for gas transport simulation.
Main Methods:
- Literature review of historical and recent research on gas transport.
- Analysis of the impact of intraluminal resistance on physiological models.
Main Results:
- The long-standing neglect of intraluminal resistance represents a significant error in physiological modeling.
- Recent advancements have begun to rectify this by incorporating intraluminal resistance into simulations.
Conclusions:
- Accurate simulation of gas transport requires acknowledging and quantifying intraluminal resistance.
- Progress has been made in establishing a more precise, quantitative basis for simulating gas exchange processes.
