Transplantation · 2019
Outcomes of Living-donor Liver Transplantation Using Grafts Heterozygous for α-1 Antitrypsin Gene Mutations.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Doshi Sahil D, Wood Linda, Abt Peter L, Olthoff Kim M, Shaked Abraham, Goldberg David S, Bittermann Therese
Аннотация
BACKGROUND: Patients heterozygous for an abnormal α-1 antitrypsin (A1AT) mutation may have an increased risk of liver disease in the setting of a secondary contributing factor.
METHODS: This single-center retrospective cohort study compared donor and recipient outcomes of A1AT heterozygous versus normal phenotype adult living-donor liver transplants (LDLTs).
RESULTS: Between 2010 and 2016, 11 A1AT heterozygous donors and 10 recipients were compared to 57 normal donors and 41 recipients. There were no significant differences in sex, age, or race/ethnicity by A1AT phenotype. Heterozygous donors had significantly lower serum A1AT (median 100 mg/dL versus 131 mg/dL; P < 0.001). Median liver volume at 3 months post-LDLT was not different among donors or their recipients (1164 mm in heterozygous versus 1257 mm in normal [P = 0.449] for donors; 1563 mm versus 1606 mm [P = 0.387], respectively, for recipients). Recipient serum alkaline phosphatase at 1 month and 1 year post-LDLT was significantly higher in recipients of A1AT heterozygous grafts (160 U/L versus 99.5 U/L; P = 0.025 at 1 mo) but did not persist at 2 years. In addition, there was no association between A1AT level and liver volume at 3 months posttransplant in donors or recipients.
CONCLUSIONS: Patients with a heterozygous A1AT mutation should be considered for living-liver donation.
METHODS: This single-center retrospective cohort study compared donor and recipient outcomes of A1AT heterozygous versus normal phenotype adult living-donor liver transplants (LDLTs).
RESULTS: Between 2010 and 2016, 11 A1AT heterozygous donors and 10 recipients were compared to 57 normal donors and 41 recipients. There were no significant differences in sex, age, or race/ethnicity by A1AT phenotype. Heterozygous donors had significantly lower serum A1AT (median 100 mg/dL versus 131 mg/dL; P < 0.001). Median liver volume at 3 months post-LDLT was not different among donors or their recipients (1164 mm in heterozygous versus 1257 mm in normal [P = 0.449] for donors; 1563 mm versus 1606 mm [P = 0.387], respectively, for recipients). Recipient serum alkaline phosphatase at 1 month and 1 year post-LDLT was significantly higher in recipients of A1AT heterozygous grafts (160 U/L versus 99.5 U/L; P = 0.025 at 1 mo) but did not persist at 2 years. In addition, there was no association between A1AT level and liver volume at 3 months posttransplant in donors or recipients.
CONCLUSIONS: Patients with a heterozygous A1AT mutation should be considered for living-liver donation.