In Vitro Model for Simulating Drug Delivery during Balloon-Occluded Transarterial Chemoembolization
2021
Jorge Aramburu | Raúl Antón | Junichi Fukamizu | Daiki Nozawa | Makoto Takahashi | Kouji Ozaki | Juan Carlos Ramos | Bruno Sangro | José Ignacio Bilbao | Kosuke Tomita | Tomohiro Matsumoto | Terumitsu Hasebe
Background: Balloon-occluded transarterial chemoembolization (B-TACE) has emerged as a safe and effective procedure for patients with liver cancer, which is one of the deadliest types of cancer worldwide. B-TACE consist of the transcatheter intraarterial infusion of chemotherapeutic agents, followed by embolizing particles, and it is performed with a microballoon catheter that temporarily occludes a hepatic artery. B-TACE relies on the blood flow redistribution promoted by the balloon-occlusion. However, flow redistribution phenomenon is not yet well understood. Methods: This study aims to present a simple in vitro model (IVM) where B-TACE can be simulated. Results: By visually analyzing the results of various clinically-realistic experiments, the IVM allows for the understanding of balloon-occlusion-related hemodynamic changes and the importance of the occlusion site. Conclusion: The IVM can be used as an educational tool to help clinicians better understand B-TACE treatments. This IVM could also serve as a base for a more sophisticated IVM to be used as a research tool.
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