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Early Vascular Thrombosis After Kidney Transplantation: Can We Predict Patients at Risk?
R A P de Freitas1, M L de Lima1, M Mazzali2
1Renal Transplant Unit, Clinics Hospital, State University of Campinas, Campinas, São Paulo, Brazil; Division of Urology, Department of Surgery, State University of Campinas, Campinas, São Paulo, Brazil.
Transplantation Proceedings
|May 2, 2017
Summary
Vascular thrombosis after kidney transplants is linked to multiple renal veins and complications during organ retrieval surgery. Identifying these risk factors can help develop targeted prevention strategies for better patient outcomes.
Area of Science:
- Nephrology
- Transplant Surgery
- Vascular Surgery
Background:
- Renal transplantation is the preferred treatment for chronic kidney disease.
- While immunosuppressants reduce rejection, vascular thrombosis remains a significant cause of early graft loss (5%).
- Vascular thrombosis can lead to antibody sensitization, complicating future transplant opportunities.
Purpose of the Study:
- To identify risk factors for early vascular thrombosis in kidney transplant recipients.
- To inform the development of a specific prevention protocol for vascular thrombosis.
Main Methods:
- Retrospective case-control study.
- Identified 21 cases of vascular thrombosis in deceased donor kidney recipients.
- Compared cases with recipients of contralateral kidneys from the same donor without complications.
Main Results:
- Kidneys with multiple renal veins showed a significantly increased risk of vascular thrombosis (OR, 11.32; P=.03).
- Complications during organ retrieval surgery (e.g., vascular lesions, heterogeneous perfusion) were also significant risk factors (OR, 7.1; P=.03).
- No significant differences were found in recipient characteristics, cold ischemia time, or anastomosis site.
Conclusions:
- Multiple renal veins and organ retrieval surgery complications are key risk factors for early vascular thrombosis in kidney transplants.
- These findings can guide the creation of targeted prevention protocols to reduce graft loss.
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