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논문분류	춘계학술대회 초록집
제목	Sub-optimal Renal Recovery and Progressive Chronic Kidney Disease after Living Kidney Donation
저자	Yaerim Kim, Chang Wook Jeong, Hyun Hoe Kim, Jongwon Ha, Dong Ki Kim, Kwon Wook Joo, Yon Su Kim, Curie Ahn, Hajeong Lee
출판정보	2019; 2019(1):
키워드	chronic kidney disease \| living kidney donor \| renal recovery
초록	Post-operative renal recovery after nephrectomy is a substantial problem to be addressed in living kidney donors. Herein, we explored factors associated with renal recovery and progression to advanced chronic kidney disease (CKD) in living donors. Kidney donors who underwent nephrectomy from 1982 to 2016 were retrospectively reviewed. We extracted donors who had estimated glomerular filtration rate (eGFR) at 1 month after kidney donation with follow-up period over one year. Percent change of eGFR from initial to one month after donation was calculated. The sub-optimal renal recovery was defined as recovery of eGFR less than 70%. The development of advanced CKD, latest eGFR < 60 ml/min/m2 were the clinical end-point. Cox-regression and logistic regression analysis were used to determine the risk factor related with sub-optimal renal recovery and progressive CKD. In total, 606 donors were included in the study. The mean follow-up period was 82.3 ± 65.1 months. Of which, 402 showed sub-optimal renal recovery at 1 month, and 107 developed advanced CKD. The initial eGFR (adjusted HR 0.950, 95% CI 0.933-0.968, p < 0.001) and sub-optimal renal recovery at 1 month (adjusted HR 3.228, 95% CI 1.869-5.574, p < 0.001) were the significant risk factors for development of advanced CKD in multivariate Cox-regression analysis. In addition, donors having older age (adjusted OR 1.053, 95% CI 1.033-1.073, p < 0.001), male sex (adjusted OR 1.839, 95% CI 1.043-3.243, p = 0.035), lower serum protein (adjusted OR 0.559, 95% CI 0.352-0.888, p = 0.014), hyperuricemia (adjusted OR 2.599, 95% CI 1.239-5.451, p = 0.012), and initial eGFR (adjusted OR 1.047, 95% CI 1.031-1.062, p < 0.001) tended to develop sub-optimal renal recovery after donation. Earnest evaluation and management to reduce risk factors for sub-optimal renal recovery after donation could be helpful in improving long-term renal outcomes in living kidney donors.
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