[Single needle hemodiafiltration].

The haemodiafiltration is a valuable alternative to the conventional dialysis in the cases of both clinical and/or allergic intolerance in conventional dialysis. Moreover, it is suitable for the treatment of therapy-resistant hypertension as well as in all situations, where an insufficient elimination of solved substances is supposed. Up to now the higher expenses prevent the routine use of haemodiafiltration in all dialysis patients.