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Related Experiment Video

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A Novel Surgical Technique As a Foundation for In Vivo Partial Liver Engineering in Rat

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Split liver network: a collaborative internet-based scenario to expand the organ pool.

R Valente¹, E Andorno, G Santori

¹Department of Transplantation, San Martino University Hospital, Genoa, Italy. roberto.valente@hsanmartino.it

Transplantation Proceedings

|August 19, 2007

Summary

Split liver transplantation (SLT) can increase organ availability. A new system, Split Liver Network (SLN), facilitates hemiliver allocation, improving matching for more patients needing transplants.

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Area of Science:

Organ transplantation
Hepatology
Surgical innovation

Background:

Split liver transplantation (SLT) is vital for expanding donor liver availability.
Organ procurement organizations (OPOs) typically allocate whole livers, limiting SLT potential.
An Italian initiative aimed to develop sharing criteria for adult-to-adult SLT (SLT A/A).

Purpose of the Study:

To establish sharing criteria for SLT A/A.
To implement a system for sharing donor livers between multiple transplant centers.
To optimize the use of the donor liver pool.

Main Methods:

Defined donor/recipient inclusion criteria, including a minimum graft-to-recipient weight ratio (GRWR) of 1.2%.
Developed a secure web-based application (Split Liver Network - SLN) for real-time donor-recipient matching.
Simulated hemiliver allocation based on GRWR and donor/recipient data.

Main Results:

In 2005, six hemiliver allocations for three SLT A/A procedures were performed.
Retrospective analysis showed matchable recipients for all simulated donors.
Blood group compatibility appeared more critical than donor body weight for successful matching.

Conclusions:

The SLN system enhances matching possibilities for SLT.
Facilitates timely transplants for recipients with rare blood types, small stature, or urgent needs.
Supports macroregional sharing of liver recipients and optimizes SLT practices.