This model provides a new and simple scoring system to predict outcome after orthotopic liver transplantation. The BAR score was calculated on 37.255 patients in the UNOS (United Network for Organ Sharing) database and identifies the six strongest predictors of post transplantation patient survival. Recent analysis (Dutkowski P et, Ann Surg 2011, in press) confirms the superiority of BAR as compared to other score systems like MELD (Model for end stage liver disease), D-MELD (Donor age multiplied by recipient MELD), DRI (donor risk index) and SOFT (survival outcome following liver transplantation).
The key survival predictors include the following factors for the:
BAR scoring appears to be easily applicable at the time of organ allocation, since liver graft cold ischemia can often be estimated.
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Dutkowski P, Oberkofler CE, Slankamenac K, Puhan MA, Schadde E, Müllhaupt B, Geier A, Clavien PA. Are there better guidelines for allocation in liver transplantation? A novel score targeting justice and utility in the model for end-stage liver disease era. Ann Surg. 2011;254(5):745-53; discussion 753.
Dutkowski P, Schlegel A, Slankamenac K, Oberkofler CE, Adam R, Burroughs AK, Schadde E, Müllhaupt B, Clavien PA. The use of fatty liver grafts in modern allocation systems: risk assessment by the balance of risk (BAR) score. Ann Surg. 2012 Nov;256(5):861-8; discussion 868-9.