Evaluation of Suspected Outflow Stenosis in an Aneurysmal AVF.

Competing Interests: V.D. Niyyar reports receiving honoraria from Albert–Einstein Montefiore and KidneyCon (for being invited faculty); from the American Society of Diagnostic and Interventional Nephrology (ASDIN), American Society of Nephrology, American Society of Nephrology Highlights, National Kidney Foundation (for being for being an invited speaker); from Ardea Biosciences (for random surveys and questionnaires); from Ironwood Pharmaceuticals (for serving on the Renal Event Adjudication Committee); and from Lesinurad (as advisory board member). V.D. Niyyar also reports having previous consultancy agreements with Ardea Biosciences and Lesinurad, and with Ironwood Pharmaceuticals (finished in December 2018); serving as a scientific advisor for, or member of, American Society of Nephrology (continuous cycler assisted peritoneal dialysis; 2018), American Society of Nephrology (interventional nephrology advisory group), and on the graft committee of Kidney Health Initiative–American Society of Nephrology/Food and Drug Administration; serving as the president-elect, and previous secretary treasurer and councilor, of ASDIN, and chair of the ASDIN hemodialysis vascular access Certification Committee and ASDIN US Certification Committee; and having other interests in/relationships with Commdex Consulting. M.K. Sharma reports serving on the editorial board of Annals of Internal Medicine; serving as a medical review board member of ESRD Network 15; serving on a speakers bureau for Relypsa; and having other interests in/relationships with University of Arkansas for Medical Sciences (Little Rock, AR) as adjunct faculty.