The Rochester Protocol for Living Donor Liver Transplantation of Unresectable Colorectal Liver Metastasis: A 5-Year Report on Selection, Approval, and Outcomes.

Living donor liver transplantation (LDLT) is a treatment option for select patients with unresectable colorectal liver metastasis (uCRLM). We describe our center's experience of patient selection, insurance approval, and outcomes after LDLT after first referral in March 2019. Of the 206 evaluated patients, twenty-three underwent LDLT. We found that patients who were referred earlier in their oncologic course were more likely to be eligible for transplantation. After completion of the Rochester Protocol for LDLT eligibility, recipients had a median delay of care of 10 days (IQR 0-36) related to insurance appeal, with six patients (30%) having a delay longer than 30 days. LDLT recipients had an overall survival proportion of 100% and 91% at 1, and 3 years; and a recurrence-free survival proportion of 100% and 40%, at 1 and 3 years, respectively. All donors underwent right hepatectomy, of which only one donor had a Clavien-Dindo IIIa complication and readmission. There was no donor mortality. We assert that multidisciplinary care and strict patient selection through the Rochester Protocol were paramount to our center's success. In the appropriately selected patient, LDLT for uCRLM may be justified, and patients should be referred to transplant oncology centers for evaluation.

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