The efforts of the companies mentioned in this article look promising and I wish them all the best in the coming years. I can't imagine what it takes to get something like that into testing on patients in the ICU. My grandmother is currently, or was, enduring dialysis but is now refusing treatment in part because of it's long term impact on mobility and general quality of life. I don't imagine that is a complete unique circumstance and if efforts in the near future help to improve that, even a just a little, it could mean a great deal with regard to sustaining human life in an all too common life-threatening health condition.