Transplantation proceedings · 2009
The assessment of residual kidney function after living donor nephrectomy.
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Bieniasz M, Domagala P, Kwiatkowski A, Gozdowska J, Krzysztof O, Kieszek R A, Trzebicki J, Durlik M, Rowinski W, Chmura A
Аннотация
BACKGROUND: The number of patients on the waiting list for kidney transplantation is increasing as a result of the cadaveric donor shortage. One way to expand the pool is living donor transplantation. However, only 2% of kidney transplants in Poland come from living-related donors.
AIM: We sought to assess residual renal function, incidence of hypertension, and proteinuria among living kidney donors.
PATIENTS AND METHODS: Between 2004 and 2007, we performed 46 living donor open nephrectomies. The mean age of the kidney donor was 39 years (range, 25-57). The donors were predominantly females (61%). Mean hospitalization time was 8 days (range, 4-22). Nine donors did not report for follow-up visits. The observation periods ranged from 1 to 24 months. Physical examination, blood and urine tests, as well as ultrasound scans were performed before nephrectomy and at every follow-up visit (1, 3, 12, and 24 months post operatively).
RESULTS: Mean creatinine concentration was higher at 3 months after nephrectomy than preoperatively (P < .05). Mean creatinine clearance according to Cockroft-Gault formula and mean creatinine clearance according to abbreviated modification of diet in renal disease equation (aMDRD) decreased after donation by 30% (P < .05). No cases of proteinuria were observed. Hypertension occurred in 1 donor (2.7%).
CONCLUSION: Living kidney donation resulted in a reduced creatinine clearance in the donor. Follow-up of living kidney donors is essential to determine risk factors for deterioration of residual kidney function.
AIM: We sought to assess residual renal function, incidence of hypertension, and proteinuria among living kidney donors.
PATIENTS AND METHODS: Between 2004 and 2007, we performed 46 living donor open nephrectomies. The mean age of the kidney donor was 39 years (range, 25-57). The donors were predominantly females (61%). Mean hospitalization time was 8 days (range, 4-22). Nine donors did not report for follow-up visits. The observation periods ranged from 1 to 24 months. Physical examination, blood and urine tests, as well as ultrasound scans were performed before nephrectomy and at every follow-up visit (1, 3, 12, and 24 months post operatively).
RESULTS: Mean creatinine concentration was higher at 3 months after nephrectomy than preoperatively (P < .05). Mean creatinine clearance according to Cockroft-Gault formula and mean creatinine clearance according to abbreviated modification of diet in renal disease equation (aMDRD) decreased after donation by 30% (P < .05). No cases of proteinuria were observed. Hypertension occurred in 1 donor (2.7%).
CONCLUSION: Living kidney donation resulted in a reduced creatinine clearance in the donor. Follow-up of living kidney donors is essential to determine risk factors for deterioration of residual kidney function.