Program Book - Keck School of Medicine of USC - University of ...

Juxta-arterial Anastomosis Stenosis (JAAS)• Defined as lesions close to the anastomosis• Reported prevalence 25-64% (Falk A. J Vasc Access 2011; Nassar GM. Clin J Am Soc Nephrol 2006;Beathard GA. Kidney Int 2003)• Often occurs at venous swing points• Angioplasty performed on 112 JAAS lesions in 73 patients 51%primary and 90% secondary patency at 1 year (Asif A. Semin Dialysis 2005)• Endovascular failures are treated with surgical revision– Proximal relocation of the anastomosis– Jump-graft– Patch repair• Retrospective comparison of PTA and surgical repair in 73patients with RC AVF and JAAS– Restenosis was higher in PTA group (69% vs 43%, p