Overnight dialysis
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* Andreas Pierratos

**[The author responds:]** 

I agree that the Tassin regimen of long dialysis 3 times a week is well known and inspirational. I believe that the systematic study and programmed application of the long and frequent dialysis regimen (nocturnal hemodialysis) will make it the preferred dialysis modality for a large number of patients. By the end of this year, 60 to 80 patients will be receiving nocturnal hemodialysis in Ontario, and a faster growth is anticipated in the future. This indeed makes it the most exciting dialysis modality in the new millennium.