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Integrating Deceased and Living Donation: Six-Year Outcomes of the Italian Deceased-Donor–Initiated Kidney Paired Exchange (DEC-K) Program
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DOI：10.1016/j.ajt.2026.07.030.png)
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Abstract
En 中文
Using a deceased donor (DD) to initiate living-donor (LD) exchange chains can expand access to kidney transplantation in recipients with an HLA or ABO incompatible living donor. The Italian DD-initiated Kidney Paired Exchange (DEC-K) program uses a DD kidney to start a chain among incompatible pairs, ultimately returning a LD kidney to the waiting list. We report the first long-term analysis of this approach worldwide. All DEC-K chains performed in Italy between March 2018 and May 2025 were analyzed. Thirty-four chains generated 84 transplants (34 chain initiating kidneys CIK, 22 from LD, 28 chain-ending kidneys CEK) versus 17 transplants from conventional Kidney Paired Donation (KPD) program in the same period. Five-year outcomes were similar between CIK and LD recipients (eGFR slope: −2.0 mL/min/1.73m2/year, P=0.37; graft survival: log-rank P=0.28). While this approach diverts blood-group O DD kidneys from the general waiting list, potentially affecting non-sensitized candidates, it was designed to address the unmet needs of highly sensitized patients facing years of waiting. In the Italian setting, the DEC-K program successfully initiates LD chains from DD kidneys with outcomes equivalent to LD transplant; implementation should include monitoring of blood-group-specific outcomes and flexible design to accommodate healthcare system priorities.
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