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Young AL, Peters CJ, Pocock PV, Millson CE, Prasad KR. Do smaller adults wait longer for liver transplantation? A comparison of the UK and the USA data. Clin Transplant 2009 DOI: 10.1111/j.1399-0012.2009.01037.x © 2009 John Wiley & Sons A/S. The number of patients on the UK and the USA liver transplant list is increasing. As size match is an important factor in the UK organ allocation, we studied the effect of recipient size on liver transplantation in the UK and the USA. Methods: The UK Transplant and United Network for Organ Sharing databases were used to assess difference in access to transplantation between smaller adult patients and their larger counterparts over three time periods. Subsequently, proportions of split, NHBD and living-donor transplants were analyzed. Results: There were 1576 UK and 29 150 USA patients in our analysis. The UK small patients have been significantly disadvantaged in access to transplantation particularly in early years and in adult only transplant units. This contrasts to the USA where smaller patients have never been disadvantaged and transplantation rates are steadily increasing. Split-liver transplants are being carried out in increasing numbers in the UK but not the USA. Conclusions: Small adults are still less likely to be transplanted at six months in adult only units in the UK. The lack of size matched organs for smaller adults and the overall decrease in rates of transplantation in the UK may be remedied by careful consideration of allocation policy and increased use of innovative techniques. [ABSTRACT FROM AUTHOR]

As the result of the widening gap between supply and demand of organs for liver transplantation, efforts to improve allocation have become an increasingly important yet controversial subject. The MELD score has been adopted in the USA but its usefulness has rarely been examined in Europe. We carried out an intention to treat analysis of 422 patients placed on our transplant waiting list over a 5-year period. We examined multiple variables to investigate the value of MELD, sodium and other factors in predicting post-transplant outcomes. MELD at transplant was the most important indicator of post-transplant outcomes. In addition, delta-MELD and hyponatreamia were significant at predicting, which patients placed on the waiting list would not proceed to transplant. While a move to allocating solely by MELD is not justified in the UK allocation system, there is value in using MELD, delta-MELD and hyponatreamia in making decisions regarding the allocation of organs. This may subsequently help to improve overall outcomes. [ABSTRACT FROM AUTHOR]