Related Experiment Video
Updated: Jul 5, 2026
07:32
Porcine Normothermic Isolated Liver Perfusion
Published on: June 9, 2023
[A newly-established method of isolated hypoxic hepatic perfusion]
Xiao dong Wang1, Ren jie Yang, Hong liang Sun
1Department of Interventional Therapy, Beijing Cancer Hospital, Peking University School of Oncology, Beijing Institute for Cancer Research, Beijing 100036, China.
Summary
Isolated hypoxic hepatic perfusion (IHHP) is a feasible technique with low systemic leakage, offering a basis for balloon catheter applications in liver treatments.
Area of Science:
- Hepatobiliary surgery
- Interventional radiology
- Pharmacokinetics
Context:
- Developing novel drug delivery systems for liver cancer treatment.
- Evaluating the efficacy and safety of targeted hepatic therapies.
- Minimizing systemic exposure to chemotherapeutic agents during liver-directed treatments.
Purpose:
- To establish a simplified isolated hypoxic hepatic perfusion (IHHP) technique.
- To provide a basis for IHHP using a balloon occlusion catheter technique.
- To compare the pharmacokinetic profile of Mitomycin C (MMC) between IHHP and transcatheter arterial infusion (TAI).
Summary:
- A simplified IHHP technique was developed and tested in rabbits, involving isolation of the liver vasculature and perfusion with Mitomycin C.
- The IHHP procedure demonstrated successful isolation, with controlled blood loss and a total operation time of approximately 2.8 hours.
- Pharmacokinetic analysis showed significantly higher maximal plasma concentration (Cmax) of MMC in the hepatic circulation and lower Cmax in the systemic circulation for IHHP compared to TAI (P<0.01).
Impact:
- The IHHP technique is proven feasible with relatively low systemic leakage, supporting its potential clinical application.
- This study provides a foundation for further development of IHHP using balloon catheter techniques for liver-directed therapies.
- The findings suggest IHHP can achieve higher local drug concentrations while reducing systemic exposure, potentially improving treatment outcomes and reducing side effects.
