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R IGHT internal jugular vein central venous catheter placement is routine for cadaveric renal transplantation to assist intraoperative assessment of cardiac preload and intravascular volume status. The presence of a surgical upper extremity arteriovenous fistula for hemodialysis can significantly alter flow patterns in regional vessels and both the arterial and venous circulation. This can be compounded by variations in venous anatomy. Many patients with end-stage renal failure who advance to hemodialysis via an arteriovenous fistula have a period of dialysis via a tunneled central venous catheter often in the internal jugular vein. Central venous stenosis and thromboses are frequent complications of prolonged and repeated central venous access in hemodialysis patients. The authors report a case of concomitant arterial and venous pressure waveforms with correlating blood gas analysis measured via adjacent ports of a double lumen internal jugular venous catheter placed for cadaveric renal transplantation that was uniquely positioned within a superior vena cava stenosis. CASE REPORT

anesthesiology

Dialysis Access Flow Phenomenon Demonstrated <i>via</i> an Internal Jugular Central Venous Catheter Uniquely Positioned within a Superior Vena Cava Stenosis

Dialysis Access Flow Phenomenon Demonstrated via an Internal Jugular Central Venous Catheter Uniquely Positioned within a Superior Vena Cava Stenosis