<qa>  What is the main factor for mortality with dialysis?The new hollow fibre FX-class of dialysers Fresenius Medical Care, Bad Homburg, Germany features a number of technological improvements that may benefit the patient. This includes the use of the advanced high-flux polysulfone membrane, Helixone, which has an extremely high endotoxin retaining capability. Theoretically leading to reduced systemic inflammation in the patient, which is an important factor for morbidity and mortality with dialysis. 