Describe the Effect of the Optimized Hemodialysis Technique (HDx) With Medium Cut-Off Membrane on Recovery Time and Quality of Life (EHDXTRQV)

Inclusion Criteria: Patient, male or female (using contraceptives, if of childbearing age), over 18 years of age Patient on conventional hemodialysis with synthetic membrane for at least 3 months Patient with a recovery time after the dialysis session ≥ 4 hours Informed patient who has signed a written consent to participate in the study Affiliated patient or beneficiary of a social security scheme Exclusion Criteria: Patient whose seniority of dialysis is less than 3 months Pregnant woman Protected patient: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision Patient with severe cognitive impairment Medically unstable or frail patient Patient who did not sign an informed consent form accepting this research (refusal of consent or absence of signature).