Computational particle–haemodynamics analysis of liver radioembolization pretreatment as an actual treatment surrogate
Keywords: 
Radioembolization
Computational fluid-particle dynamics
Liver cancer.
Pretreatment.
Hepatic artery
Issue Date: 
Feb-2017
Publisher: 
Willey
ISSN: 
2040-7939
Citation: 
Aramburu, J., Antón, R., Rivas, A., Ramos, J. C., Sangro, B., & Bilbao, J. I. (2017). Computational particle–haemodynamics analysis of liver radioembolization pretreatment as an actual treatment surrogate. International Journal for Numerical Methods in Biomedical Engineering, 33(2), e02791.
Abstract
Liver radioembolization (RE) is a treatment option for patients with unresectable and chemorefractory primary and metastatic liver tumours. RE consists of intra-arterially administering via catheter radioactive microspheres that locally attack the tumours, sparing healthy tissue. Prior to RE, the standard practice is to conduct a treatment-mimicking pretreatment assessment via the infusion of Tc-99m-labelled macroaggregated albumin microparticles. The usefulness of this pretreatment has been debated in the literature, and thus, the aim of the present study is to shed light on this issue by numerically simulating the liver RE pretreatment and actual treatment particle-haemodynamics in a patient-specific hepatic artery under two different literature-based cancer scenarios and two different placements of a realistic end-hole microcatheter in the proper hepatic artery. The parameters that are analysed are the following: microagent quantity and size (accounting for RE pretreatment and treatment),...

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