Kidney transplantation involves transplanting a kidney from a living or deceased donor into a patient with end-stage renal disease. There are two key factors in renal transplantation - the recipient with kidney failure, and the donor who can be a living donor under 60 years old or a deceased donor. The document outlines types of grafts, nursing interventions like monitoring urine output and kidney function tests, potential for graft rejection, and lifelong immunosuppressive therapy to reduce rejection risk.