Study of the Risk of Ischaemia Following the Creation of an Arteriovenous Fistula

Inclusion Criteria: * Age ≥ 18 years; * Stage 5 chronic kidney disease, on dialysis or not on dialysis; * Requiring the creation of an arteriovenous fistula; * Membership of a social insurance scheme; * Patient having been informed and having formulated his/her oral non-opposition to participate in the research. Exclusion Criteria: * Contraindication to the proposed surgery ; * Reduced life expectancy in the opinion of the investigator; * Medical or biological conditions which, in the opinion of the investigator, could influence the interpretation of the results of the study or the safety of the patient; * Patient uncooperative with protocol requirements or unable to attend scheduled visits to the centre; * Other surgical or medical intervention planned during the study; * Pregnant or likely to be pregnant (of childbearing age, without effective contraception) or breastfeeding; * Participating in another clinical trial, or in a period of exclusion from another clinical trial; * Patient under guardianship or deprived of liberty.