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Cardiology66 papers

Rejection of pancreas transplant

Last edited: 4/22/2026

Overview

Pancreas transplant rejection, particularly involving venous graft thrombosis, poses significant challenges in maintaining graft function and patient outcomes. Effective management strategies are crucial to salvage grafts and prevent complications.

Diagnosis

  • Clinical Presentation: Elevated serum amylase and lipase levels, abdominal pain, and signs of graft dysfunction 1.
  • Imaging: Doppler ultrasound or CT angiography to identify thrombosis 1.
  • Histopathology: Biopsy showing characteristic signs of rejection or thrombosis 2.
  • Laboratory Tests: Monitoring of prostanoid levels (e.g., TXB2, 6-keto-PGF1α) may indicate rejection or vascular complications 2.
  • Management

  • Endovascular Therapy: Percutaneous endovascular thrombolysis for significant venous graft thrombosis; achieves significant lysis in most cases 1.
  • Anticoagulation: Post-procedural anticoagulation to prevent re-thrombosis, monitor closely for bleeding complications 1.
  • Immunosuppression Adjustment: Optimize immunosuppressive regimen to prevent rejection, possibly including calcineurin inhibitors like cyclosporine A 2.
  • Special Populations

  • No Specific Data Provided: Abstracts do not cover unique considerations for pregnancy, pediatrics, elderly, or specific comorbidities 12.
  • Key Recommendations

  • Consider Endovascular Thrombolysis for PVGT: Effective in achieving significant lysis of thrombi, with careful monitoring for complications (Evidence: Moderate) 1.
  • Optimize Immunosuppression: Adjust immunosuppressive therapy to prevent rejection, potentially including calcineurin inhibitors (Evidence: Weak) 2.
  • Post-Procedure Anticoagulation: Implement anticoagulation post-endovascular procedures to prevent re-thrombosis, balancing risk of bleeding (Evidence: Moderate) 1.
  • References

    1 Barrufet M, Burrel M, Angeles García-Criado M, Montañà X, Real MI, Ferrer J et al.. Pancreas transplants venous graft thrombosis: endovascular thrombolysis for graft rescue. Cardiovascular and interventional radiology 2014. link 2 Johnson BF, Thomas G, Wiley KN, Greaves M, Preston FE, Fox M et al.. Thromboxane and prostacyclin synthesis in experimental pancreas transplantation. Changes in parenchymal and vascular prostanoids. Transplantation 1993. link

    Original source

    1. [1]
      Pancreas transplants venous graft thrombosis: endovascular thrombolysis for graft rescue.Barrufet M, Burrel M, Angeles García-Criado M, Montañà X, Real MI, Ferrer J et al. Cardiovascular and interventional radiology (2014)
    2. [2]
      Thromboxane and prostacyclin synthesis in experimental pancreas transplantation. Changes in parenchymal and vascular prostanoids.Johnson BF, Thomas G, Wiley KN, Greaves M, Preston FE, Fox M et al. Transplantation (1993)

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