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Rapid Resolution of Proteinuria of Native Kidney Origin Following Live Donor Renal Transplantation
Author(s) -
D'Cunha Prakas Thomas,
Parasuraman Ravi,
Venkat K. K.
Publication year - 2005
Publication title -
american journal of transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 188
eISSN - 1600-6143
pISSN - 1600-6135
DOI - 10.1111/j.1600-6143.2004.00665.x
Subject(s) - proteinuria , medicine , urology , creatinine , immunosuppression , transplantation , tacrolimus , kidney transplantation , dialysis , urine , kidney , gastroenterology
To assess the contribution of the protein content of urine from the native kidneys to post‐transplant proteinuria, we prospectively studied 14 live donor transplant recipients with a pre‐transplant random urine protein to creatinine ratio (UPr:Cr) >0.5. Seven patients received preemptive transplants, and seven patients were on dialysis pre‐transplant (with residual urine output). Resolution of proteinuria was defined as UPr:Cr < 0.2. Immunosuppression consisted of tacrolimus, mycophenolate mofetil and corticosteroids. Anti‐hypertensive drugs that might reduce proteinuria were avoided during the study. The serum creatinine was 8.7 ± 0.7 mg/dL pre‐transplant, and the nadir post‐transplant serum creatinine was 1.4 ± 0.1 mg/dL. The pre‐transplant UPr:Cr ranged between 0.5 and 9.2 (mean = 2.9 ± 0.6). The UPr:Cr decreased to <0.2 in all 14 patients at a mean of 4.5 weeks post‐transplant (range 1–10 weeks). In conclusion, in live donor renal transplant recipients with immediate graft function, proteinuria of native kidney origin resolves in the early post‐transplant period. After the immediate post‐transplant period, proteinuria cannot be attributed to the native kidneys, and work up for proteinuria should focus on the allograft.

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