SAVE-FistulaS: the SelfWrap-Assisted ArterioVEnous Fistulas Study

Eligibility Criteria

• * Age of at least 18 years
• * Referred for creation of a new AVF
• * Willing and able to comply with study requirements, communicate with the study team, and attend follow up visits over a period of 36 months
• * Planned index procedure to revise or repair an existing fistula
• * Target artery inner diameter \< 2.0 mm, as measured by ultrasound while the target arm is under tourniquet pressure and anesthesia
• * Target vein inner diameter \< 2.0 mm, as measured by ultrasound while the target arm is under tourniquet pressure and anesthesia
• * Significant (at least 50%) stenosis at the target vein on the side of surgery (between the planned anastomosis site and the axillary vein), as diagnosed by preoperative ultrasound
• * Known central venous stenosis of at least 50% on the side of surgery
• * Presence of a stent or a stent graft within the access circuit
• * Known or suspected coagulation disorder that, in the opinion of the Investigator, puts too much risk on the patient for AVF creation
• * Known or suspected active infection at the time of surgery
• * Congestive heart failure NYHA class 4
• * Prior steal on the side of surgery;
• * Enrolled in another investigational drug, device, or biological study, or was previously enrolled in this study
• * Life expectancy less than 12 months
• * Expected to undergo kidney transplant surgery within 6 months of enrollment
• * Expected to undergo home hemodialysis
• * Females of childbearing potential (premenopausal and not surgically sterile) without documented current negative pregnancy test at screening
• * Presence of a comorbid condition that, in the opinion of the Investigator, may significantly confound the collection of safety and efficacy data in this study
• * Unwillingness or inability to give consent and/or comply with the study follow up schedule
• * Any health condition, which in the opinion of the Investigator, would interfere with the safety of the participant or the participant's ability to comply with the study.