Transplantation direct · 2026
Outcomes of Simultaneous Liver-Kidney Transplant and Kidney After Liver Transplant Using the Safety Net Criteria-A Single-center Experience.
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Tandukar Srijan, Potluri Vishnu S, Abt Peter, Kaplan David E, Bittermann Therese, Besharatian Behdad, Hoteit Maarouf A, Levine Matthew, Thomasson Arwin, Hryzak Sarah, Murali Anjana, Thapaliya Shreeya, Ranganna Karthik, Bloom Roy D, Dunn Ty B, Lim Mary Ann
Аннотация
BACKGROUND: The impact of revised Organ Procurement and Transplantation Network policy defining eligibility for simultaneous liver-kidney (SLK) and the safety net criteria for kidney after liver (KAL) transplantation remains insufficiently characterized.
METHODS: We conducted a retrospective study of adults (>18 y) evaluated for liver transplant alone (LTA), SLK, or KAL at the University of Pennsylvania from August 10, 2017, to February 28, 2023. The primary outcome was mortality among SLK and KAL recipients and those patients waitlisted for KAL. Secondary outcomes included native kidney recovery in LTA recipients, estimated glomerular filtration rate (eGFR) at 1 y post-kidney transplant, and time between liver and kidney transplants.
RESULTS: Of 1655 patients evaluated, 57 (3.4%) met SLK criteria; 49 (86%) underwent SLK and 8 (14%) received LTA. Among 1598 LTA candidates, 1010 (63%) were waitlisted and 717 (71%) received LTA. After excluding 9 early deaths (1.3%) that were unrelated to KAL delay, 67 survivors (9.5%) met KAL safety net criteria. Thirty-four (50.8%) were waitlisted (15 transplanted over a median of 220 d), 30 (44.8%) declined, and 3 (4.8%) remained under evaluation. Mortality was 4.1% after SLK and no deaths occurred after KAL >3.7 and 3.1 y of follow-up, with 3 deaths (8.8%) among KAL waitlisted patients. Of the 16 KAL waitlisted patients alive without kidney transplant at last follow-up, 2 (12.5%) were delisted after documented renal recovery and an additional 9 (56.3%) had eGFR >20 ml/min/1.73 m2 and were being considered for delisting; together, 11 (68.8%) met predefined criteria for substantial native kidney recovery. One-year median eGFR was similar (SLK 51 versus KAL 54 mL/min/1.73 m2; P = 0.6).
CONCLUSIONS: Early post-LTA mortality was unrelated to delayed KAL transplantation. Recovery of native kidney function while waiting for KAL was frequent. KAL transplants occurred within a year of LTA with favorable survival and graft outcomes.
METHODS: We conducted a retrospective study of adults (>18 y) evaluated for liver transplant alone (LTA), SLK, or KAL at the University of Pennsylvania from August 10, 2017, to February 28, 2023. The primary outcome was mortality among SLK and KAL recipients and those patients waitlisted for KAL. Secondary outcomes included native kidney recovery in LTA recipients, estimated glomerular filtration rate (eGFR) at 1 y post-kidney transplant, and time between liver and kidney transplants.
RESULTS: Of 1655 patients evaluated, 57 (3.4%) met SLK criteria; 49 (86%) underwent SLK and 8 (14%) received LTA. Among 1598 LTA candidates, 1010 (63%) were waitlisted and 717 (71%) received LTA. After excluding 9 early deaths (1.3%) that were unrelated to KAL delay, 67 survivors (9.5%) met KAL safety net criteria. Thirty-four (50.8%) were waitlisted (15 transplanted over a median of 220 d), 30 (44.8%) declined, and 3 (4.8%) remained under evaluation. Mortality was 4.1% after SLK and no deaths occurred after KAL >3.7 and 3.1 y of follow-up, with 3 deaths (8.8%) among KAL waitlisted patients. Of the 16 KAL waitlisted patients alive without kidney transplant at last follow-up, 2 (12.5%) were delisted after documented renal recovery and an additional 9 (56.3%) had eGFR >20 ml/min/1.73 m2 and were being considered for delisting; together, 11 (68.8%) met predefined criteria for substantial native kidney recovery. One-year median eGFR was similar (SLK 51 versus KAL 54 mL/min/1.73 m2; P = 0.6).
CONCLUSIONS: Early post-LTA mortality was unrelated to delayed KAL transplantation. Recovery of native kidney function while waiting for KAL was frequent. KAL transplants occurred within a year of LTA with favorable survival and graft outcomes.