Evaluation of Anti-platelet Factor 4/Heparin Antibodies in Hemodialysis Patients

Inclusion Criteria: * The patient is not a candidate for a native fistula. * The patient requires the creation of an upper arm vascular access graft for hemodialysis secondary to a diagnosis of End-Stage Renal Disease. * The patient has been on hemodialysis for ≥1 month. Exclusion Criteria: * The patient is scheduled for a different surgical procedure within 30 days post Index Procedure. * The patient has a known hypercoagulable disorder or bleeding disorder. * The patient has had a previous instance of Heparin Induced Thrombocytopenia Type II (HIT type II) or has known sensitivity to heparin.