This is quite specific to liver transplants in the United States. Here most patients who die while awaiting a liver transplant have had an offer of a donor liver. 55% of patients who die have had the offer of a high-quality donor liver.
Increasing supply will always be a good thing, but there are huge issues to be addressed in making sure those on the US wait list for a liver transplant actually get a transplant from the available organ supply. It seems patients and doctors are turning down way too many good organs.
"Our data show that the current liver allocation system has provided one or more transplant opportunities to nearly all candidates before death/delisting. Therefore, simply increasing the availability of de-ceased donor livers or the number of offers may not substantially reduce wait-list mortality." http://www.ncbi.nlm.nih.gov/pubmed/22841780 [nih.gov]
Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/eCgPxkWfCsE/story01.htm
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