Dataset Information

Use of minor donors for living donor liver transplantation and associated ethical issues.

ABSTRACT:

Background

Living liver donation by minors is regarded as justifiable only if minors possess the capacity to consent to donation and the procedure is in their best interests. This study analyzed the incidence of and reasons for living donor liver transplantation (LDLT) by minor donors in Korea, and discussed ethical issues regarding liver donation by minors.

Methods

The databases of the Korean Network for Organ Sharing (KONOS) and Asan Medical Center (AMC) from 2010 to 2019 were retrospectively reviewed to determine the incidence of LDLT by minor donors.

Results

From 2010 to 2019, 590 (4.1%) of 14,243 liver donors in the KONOS database and 276 (7.5%) of 3,401 liver donors in the AMC database were minors. The proportions of minor donors in the KONOS and AMC databases were highest in 2012, at 4.1% and 12.6%, respectively, and lowest in 2019, at 1.1% and 3.0%, respectively. Because most LDLT recipients had relatively low model for end-stage liver disease scores and hepatocellular carcinoma, they were unlikely candidates for deceased-donor liver transplantation and were highly likely to drop out of LDLT if they waited for 1-2 years. The donor-recipient relationship of minor donors in the AMC database was first-degree in 256 (92.8%) and second- or third-degree in 20 (7.2%).

Conclusions

Liver donation by minors is limitedly acceptable only when the minor proves informed, well-considered, and autonomous consent to the procedure and the procedure is in the minor's best interests. We suggest that minors be allowed to donate only to first-degree family members.

SUBMITTER: Hwang S

PROVIDER: S-EPMC9235445 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Publications

Use of minor donors for living donor liver transplantation and associated ethical issues.

Hwang Shin S Song Gi-Won GW Jung Dong-Hwan DH Ha Tae-Yong TY Park Gil-Chun GC Ahn Chul-Soo CS Moon Deok-Bog DB Lee Sung-Gyu SG

Korean journal of transplantation 20210901 3

<h4>Background</h4>Living liver donation by minors is regarded as justifiable only if minors possess the capacity to consent to donation and the procedure is in their best interests. This study analyzed the incidence of and reasons for living donor liver transplantation (LDLT) by minor donors in Korea, and discussed ethical issues regarding liver donation by minors.<h4>Methods</h4>The databases of the Korean Network for Organ Sharing (KONOS) and Asan Medical Center (AMC) from 2010 to 2019 were r ...[more]

PMID: 35769246

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Project description:Adult-to-adult living donors and recipients were studied to characterize patterns of liver growth and identify associated factors in a multicenter study. Three hundred and fifty donors and 353 recipients in the Adult-to-Adult Living Donor Liver Transplantation Cohort Study (A2ALL) receiving transplants between March 2003 and February 2010 were included. Potential predictors of 3-month liver volume included total and standard liver volumes (TLV and SLV), Model for End-Stage Liver Disease (MELD) score (in recipients), the remnant and graft size, remnant-to-donor and graft-to-recipient weight ratios (RDWR and GRWR), remnant/TLV, and graft/SLV. Among donors, 3-month absolute growth was 676 ± 251 g (mean ± SD), and percentage reconstitution was 80% ± 13%. Among recipients, GRWR was 1.3% ± 0.4% (8 < 0.8%). Graft weight was 60% ± 13% of SLV. Three-month absolute growth was 549 ± 267 g, and percentage reconstitution was 93% ± 18%. Predictors of greater 3-month liver volume included larger patient size (donors and recipients), larger graft volume (recipients), and larger TLV (donors). Donors with the smallest remnant/TLV ratios had larger than expected growth but also had higher postoperative bilirubin and international normalized ratio at 7 and 30 days. In a combined donor-recipient analysis, donors had smaller 3-month liver volumes than recipients adjusted for patient size, remnant or graft volume, and TLV or SLV (P = 0.004). Recipient graft failure in the first 90 days was predicted by poor graft function at day 7 (HR = 4.50, P = 0.001) but not by GRWR or graft fraction (P > 0.90 for each). Both donors and recipients had rapid yet incomplete restoration of tissue mass in the first 3 months, and this confirmed previous reports. Recipients achieved a greater percentage of expected total volume. Patient size and recipient graft volume significantly influenced 3-month volumes. Importantly, donor liver volume is a critical predictor of the rate of regeneration, and donor remnant fraction affects postresection function. Liver Transpl 21:79-88, 2015. © 2014 AASLD.

Dataset Information

Use of minor donors for living donor liver transplantation and associated ethical issues.

Background

Methods

Results

Conclusions

Publications

Use of minor donors for living donor liver transplantation and associated ethical issues.

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