angiography demonstrated venous occlusion ( 13 cases ) , venous stenosis at or near the anastomotic site ( 32 cases ) , thrombi within shunts ( 9 cases ) , venous aneurysms or pseudoaneurysms related to either proximal obstruction or traumatic dialysis ( 23 cases ) , distal venous overdistention due to proximal obstruction or overcirculation ( 15 cases ) , and radial artery steal of blood from the distal extremity ( 15 cases ) .
C0002940
aneurysms
C1510412
pseudoaneurysms