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Insufficient early renal recovery and progression to subsequent chronic kidney disease in living kidney donors
Cited 4 time in
Web of Science
Cited 4 time in Scopus
- Authors
- Issue Date
- 2022-09
- Publisher
- 대한내과학회
- Citation
- The Korean Journal of Internal Medicine, Vol.37 No.5, pp.1021-1030
- Abstract
- © 2022 The Korean Association of Internal Medicine.Background/Aims: Renal recovery of a kidney donor after undergoing nephrectomy though challenging is essential. We aimed to examine the effect of estimated glomerular filtration rate (eGFR) percent change at 1-month post-donation on insufficient kidney function after kidney donation. Methods: A total of 3,952 living kidney donors who underwent donor nephrectomy from 1982 to 2019 from eight differ-ent tertiary hospitals in Korea were initially screened. Percent changes in the eGFR from baseline to 1-month post-donation were calculated. The degree of percent changes was categorized by quartile, and the 1st quartile was regarded as the group with the lowest decreased eGFR at 1-month after donation. The remaining eGFR less than 60 mL/min/1.73 m2 was the end-point. The Cox proportional hazard model was used for evaluating the impact of initial eGFR and eGFR percent change at 1-month post-donation on the condition with remaining eGFR < 60 mL/min/1.73 m2. In the multivariate analysis, we used variables with a p < 0.1 in the univariate analysis. Results: A total of 1,585 donors were included in the analysis. During 62.2 ± 49.3 months, 13.7% of donors showed renal insufficiency. The 4th (adjusted hazard ratio [aHR], 10.41; 95% confidence interval [CI], 5.15 to 21.04) and the 3rd (aHR, 4.29; 95% CI, 2.15 to 8.56) quartiles of percent change in eGFR and the pre-donation eGFR (aHR, 0.90; 95% CI, 0.88 to 0.92) were associated with the development of renal insufficiency. Conclusions: The impact of worse initial renal recovery on renal insufficiency was pronounced in donors with lower pre-donation eGFRs. Additionally, worse initial renal recovery of remaining kidney affected the long-term development of renal insufficiency in kidney donors.
- ISSN
- 1226-3303
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