critical factors in pediatric reconstructive renovascular surgery include : ( 1 ) exposure through a generous transverse anterior abdominal incision , ( 2 ) systemic anticoagulation with sodium heparin , ( 3 ) end-to-end graft-to-renal artery anastomoses , ( 4 ) generous spatulation of vessels and grafts at anastomoses , ( 5 ) use of microvascular clamps , ( 6 ) use of silicon lubricants on dilators , and ( 7 ) extreme gentleness in handling all tissues .
C0268790
renovascular
C0022646
renal