“…The main cause of post-transplantation renal function loss, considering both groups, was chronic rejection with 43% of the cases according to 7 studies [ 18 , 29 , 31 , 35 , 38 , 39 , 42 ], followed by chronic graft nephropathy with 44.2%, as reported in 1 series [ 32 ], and acute rejections with 21.5% according to 6 studies [ 18 , 29 , 32 , 35 , 38 , 39 ]. In the transplantectomy group, the main cause was chronic graft nephropathy at 44.2% [ 32 ]; while in the embolization group, it was chronic rejection, at 77.5% [ 18 , 31 , 42 ] ( Table 1 ).…”