Left atrial flow and thrombosis risk from 4D CT contrast dynamics by physics-informed neural network and indicator dilution theory
Bahetihazi Maidu, Alejandro Gonzalo, Manuel Guerrero‐Hurtado, Clarissa Bargellini, Pablo Martínez‐Legazpi, Javier Bermejo, Francisco J. Contijoch, Óscar Flores, Manuel García‐Villalba, Elliot R. McVeigh, Andrew M. Kahn, Juan C. del Álamo
This paper develops two methods to estimate left atrial blood residence time from 4D CT contrast data, showing that indicator dilution theory provides faster, more accurate results than a physics-informed neural network.
bioRxiv · Apr 3, 2026 · PreprintBioengineering