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One institution's experience with pancreas transplantation.
The Western Journal of Medicine
|December 1, 1985
Summary
Pancreas transplantation at the University of Minnesota shows improving graft survival rates. Effective immunosuppression, like triple therapy, reduces rejection, leading to better long-term outcomes for diabetic patients.
Area of Science:
- Transplantation immunology
- Endocrinology
- Surgical innovation
Background:
- The University of Minnesota possesses extensive experience in pancreas transplantation, performing 130 cases since 1966.
- Between 1978 and 1985, 116 pancreas transplants were performed on 98 patients, with a significant portion not requiring prior kidney transplants.
- Many recipients present with early diabetes complications rather than uremia.
Purpose of the Study:
- To evaluate the outcomes of pancreas transplantation, including patient and graft survival rates.
- To assess the impact of immunosuppressive regimens on graft survival and rejection.
- To analyze the long-term metabolic and secondary complication profiles in pancreas transplant recipients.
Main Methods:
- Retrospective analysis of 116 pancreas transplant cases performed between July 1978 and June 1985.
- Comparison of graft survival rates based on donor type (related vs. cadaver) and immunosuppressive protocols.
- Evaluation of metabolic function and secondary complications in patients with functioning grafts.
Main Results:
- Overall one-year patient and graft survival rates were 87% and 30%, respectively.
- Rejection was the primary cause of graft failure, despite technical issues in 28% of cases.
- Low-dose cyclosporine-azathioprine-prednisone (triple therapy) demonstrated a 73% one-year functional survival rate for technically successful grafts.
- Pancreas graft survival rates improved from 27% (1978-1983) to 43% (1984-1985).
- Recipients with functioning grafts showed normal metabolic function, and long-term graft function correlated with fewer secondary complications.
Conclusions:
- Pancreas transplantation is a viable option for managing diabetes, with improving outcomes.
- Effective immunosuppression, particularly triple therapy, is crucial for reducing rejection and enhancing graft survival.
- Long-term functioning pancreas grafts lead to favorable metabolic control and potentially mitigate diabetes-related complications.