Donor Skeletal Muscle Quality Affects Graft Mortality After Living Donor Liver Transplantation- A Single Center, Retrospective Study

Takahiro Tomiyama, Noboru Harada, Takeo Toshima, Yuki Nakayama, Katsuya Toshida, Akinari Morinaga, Yukiko Kosai-Fujimoto, Takahiro Tomino, Takeshi Kurihara, Kazuki Takeishi, Yoshihiro Nagao, Kazutoyo Morita, Shinji Itoh, Tomoharu Yoshizumi

研究成果: ジャーナルへの寄稿学術誌査読

2 被引用数 (Scopus)

抄録

The recipient muscle status is closely associated with postoperative poor survival in recipients of living donor liver transplantation (LDLT). However, it is uncertain whether LDLT donor muscle quality and quantity affect graft quality. Hence, we analyzed the correlation between donor muscle status and graft function. We measured the skeletal muscle mass index (SMI) and intramuscular adipose tissue content (IMAC) of 380 LDLT donors. We examined the correlation between donor SMI or IMAC and graft mortality, the occurrence rates of small-for-size graft (SFSG) syndrome, and 6-month graft survival rates. The donor SMI had no effect on the occurrence of SFSG syndrome and graft survival, while a high IMAC in both male and female donors was significantly correlated with the rate of SFSG syndrome [high vs low: (male donors) 15.8% vs. 2.5%, p = 0.0003; (female donors) 12.8% vs. 3.1%, p = 0.0234] and 6-month graft survival rates [(male donors) 87.7% vs 95.9%, p = 0.02; (female donors) 83.0% vs. 99.0%, p < 0.0001]. Multivariate analysis revealed that a high donor IMAC (HR; 5.42, CI; 2.13–13.8, p = 0.0004) was an independent risk factor for 6-month graft survival, and the donor IMAC is useful for donor selection for high-risk recipients.

本文言語英語
論文番号10723
ジャーナルTransplant International
35
DOI
出版ステータス出版済み - 12月 9 2022

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