[Simultaneous determination of C-reactive protein in the urine and serum of patients following kidney transplantation].

In 75 patients after kidney transplantation during the whole stay in hospital after operation the serum concentration of C-reactive protein (CRP) was determined serially and quantitatively as well as all the urines were investigated with regard to the appearance of a CRP-uria. We succeeded in proving CRP in the urine in a high percentage (67%) in transplants which never functioned and in a smaller extent (25%) during the postoperative renal failure. For the diagnostic ascertainment of the rejection crises as well as for the estimation of the effectiveness of the antirejection therapy with high doses of prednisolone the daily CRP serum control is a valuable contrivance. The judgement of the CRP-values should always be performed together with the other data received by laboratory investigations as well as also with the clinical data.