Hydrogen Flush Protects Donor Livers from Transplant Damage

Hydrogen Flush After Cold Storage as a New End-Ischemic Ex Vivo Treatment for Liver Grafts Against Ischemia/Reperfusion Injury

Evidence type
Animal study (rat)
Authors
Ichiro Tamaki, Koichiro Hata, Yusuke Okamura, Yermek Nigmet, Hirofumi Hirao, Toyonari Kubota, Osamu Inamoto, Jiro Kusakabe, Toru Goto, Tetsuya Tajima, Junichi Yoshikawa, Hirokazu Tanaka, Tatsuaki Tsuruyama, Rene H. Tolba, Shinji Uemoto
Journal
Liver Transplantation
Year
2018
DOI
10.1002/lt.25326
Study Type
Rat
Outcome
Positive
Peer Reviewed
Yes
Country
Japan
Health Condition
Ischemia/Reperfusion Injury
Body System
Hepatic

This research was done in animals. Results in animals often don't carry over to people.

TL;DR

A new method called hydrogen flush after cold storage (HyFACS) significantly reduces damage to liver organs preserved for transplant by flushing them with a hydrogen solution.

Key Finding

Hydrogen flush after cold storage significantly reduced liver damage markers and preserved organ function in rat livers, with benefits varying depending on whether the hydrogen solution was delivered through the portal vein, hepatic artery, or both.

Summary

Researchers tested a new method called hydrogen flush after cold storage (HyFACS) to protect liver organs from damage during transplantation. They stored rat livers in cold solution for 24 hours, then flushed them with hydrogen-enriched solution before transplant. Compared to untreated livers, the hydrogen-treated livers showed less damage, better function, and reduced signs of cellular injury caused by oxygen deprivation and restoration.

Practical Takeaway

This is early-stage research conducted only in rats, so it cannot yet inform human health decisions. The findings suggest hydrogen may help protect donor organs during transplantation, but human clinical trials would be needed to determine if this approach is safe and effective for transplant patients.

Abstract (excerpt)

Cold storage (CS) remains the gold standard for organ preservation worldwide, although it is inevitably associated with ischemia/reperfusion injury (IRI). Molecular hydrogen (H2) is well known to have antioxidative properties. However, its unfavorable features, ie, inflammability, low solubility…

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