Origin of nocturnal home haemodialysis.

cost effectiveness of this type of dialysis, which was the main goal of our development of the technique in a cash-starved National Health Service in the United Kingdom. Dear Sir, Precedent claims are rarely correct, thus the statement by Drs Schlapper and DiazBuxo in the January 2005 issue of Blood Purifi cation [1] , that Uldall et al. [2] established the fi rst nightly home haemodialysis program in 1993, cannot go unchallenged. I believe that my group was the fi rst to develop this technique 30 years earlier and that we published extensively in the period 1963–1968 on this subject [3–7] . In addition, visual proof of my claim can be seen in a video of self unattended overnight home haemodialysis in 1968 by any of your readers at www.mybesthealth.com/shaldon/wmv/cahmed.wmv [8] . However, the authors are to be congratulated on their excellent emphasis on the Published online: April 15, 2005