Key result
Lumped parameter models offer a potential real-time bedside alternative to time-consuming multi-scale congenital heart simulation.
The lumped parameter model offers a potentially beneficial approach for real-time bedside hemodynamic simulation of congenital heart diseases.
Lumped parameter models may aid real-time congenital heart disease simulation; leaves open prospective validation before clinical use.
The recent development of computer technology has made it possible to simulate the hemodynamics of congenital heart diseases on a desktop computer. However, multi-scale modeling of the cardiovascular system based on computed tomographic and magnetic resonance images still requires long simulation times. The lumped parameter model is potentially beneficial for real-time bedside simulation of congenital heart diseases. In this review, we introduce the basics of the lumped parameter model (time-varying elastance chamber model combined with modified Windkessel vasculature model) and illustrate its usage in hemodynamic simulation of congenital heart diseases using examples such as hypoplastic left heart syndrome and Fontan circulation. We also discuss the advantages of the lumped parameter model and the problems for clinical use.
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Shimizu et al. (2017) studied this question. Lumped parameter models offer a potentially beneficial approach for real-time bedside hemodynamic simulation of congenital heart diseases compared to time-consuming multi-scale modeling.
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