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Reducing the thickness of left lateral segment grafts in neonatal living donor liver transplantation
Mureo Kasahara1, Seisuke Sakamoto, Takanobu Shigeta
1Organ Transplant Center, National Center for Child Health and Development, Setagaya-Ku, Tokyo, Japan. kasahara-m@ncchd.go.jp
Insights
Pediatric liver transplantation uses left lateral segment (LLS) grafts. A new technique thins these grafts, successfully treating a small infant with acute liver failure.
Area of Science:
- Pediatric surgery
- Hepatology
- Organ transplantation
Background:
- Liver transplantation is a vital treatment for pediatric end-stage liver disease.
- Left lateral segment (LLS) grafts are common in pediatric liver transplants.
- Existing reduction techniques for LLS grafts do not address graft thickness, posing challenges in infants.
Observation:
- Large-for-size LLS grafts are a problem in very small children.
- Graft thickness complicates implantation in infants.
- A novel technique for reducing LLS graft thickness was developed.
Findings:
- A technique to reduce the thickness of living donor LLS grafts was successfully applied.
- This technique facilitated the successful transplantation of a 2.8-kg infant with acute liver failure.
Implications:
- This technique may improve outcomes for infants undergoing liver transplantation with LLS grafts.
- It addresses a critical limitation of current LLS graft preparation methods.
- Further research could refine this technique for broader pediatric application.
Abstract:
Liver transplantation is now an established treatment for children with end-stage liver disease. Left lateral segment (LLS) grafts are most commonly used in split and living donor liver transplantation in children. In very small children, LLS grafts can be too large, and further nonanatomical reduction has recently been introduced to mitigate the problem of large-for-size grafts. However, the implantation of LLS grafts can be a problem in infants and very small children because of the thickness of the grafts, and these techniques do not address problems related to thickness. We herein describe a technique for reducing the thickness of living donor left lateral grafts and successful transplantation in a 2.8-kg infant with acute liver failure.
