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Risk factors for consequent kidney impairment and differential impact of liver transplantation on renal function

Cited 38 time in Web of Science Cited 43 time in Scopus
Authors
Lee, Jung Pyo; Heo, Nam Ju; Joo, Kwon Wook; Yi, Nam Joon; Moon, Kyung Chul; Kim, Yon Su; Kim, Seong Gyun; Suh, Kyung-Suk
Issue Date
2010-08
Publisher
OXFORD UNIV PRESS
Citation
NEPHROLOGY DIALYSIS TRANSPLANTATION; Vol.25 8; 2772-2785
Keywords
calcineurin inhibitor toxicityhepatitis B viruskidney biopsyliver transplantationkidney dysfunction
Abstract
Background. Chronic kidney disease (CKD) develops frequently after liver transplantation (LTx), and it is important to identify and correct risk factors that negatively affect kidney function. Risk factors have not been well evaluated in Asian countries where hepatitis B virus (HBV) infection is a dominant cause. Methods. Four hundred thirty-one Korean recipients who underwent LTx between 1997 and 2008 were analysed. CKD was defined as a sustained decrease in estimated glomerular filtration rate (eGFR) of < 60 (mL/min/1.73 m(2)) for at least three consecutive months using an abbreviated Modification in Renal Disease (MDRD) formula. Results. Eighty percent of the patients had HBV-related underlying diseases. The recipients whose pretransplant eGFR had been low (< 30 mL/min/1.73 m(2)) improved their renal function after LTx, but significant functional decline occurred in recipients whose pretransplant eGFR was high (>= 60 mL/min/1.73 m(2)). A multivariate Cox regression analysis revealed that the overall risk of CKD development (eGFR < 60 mL/min/1.73 m(2)) was associated with old age of recipients, cyclosporine, posttransplant acute renal failure (ARF), cause [calcineurin inhibitor (CNI) nephrotoxicity] and severity of posttransplant ARF, low pretransplant eGFR, pretransplant hepatorenal syndrome, pretransplant proteinuria, high Child Pugh score and high Model for End-Stage Renal Disease (MELD) score. Especially in recipients whose pre-operative eGFR was high (>= 60 mL/min/1.73 m(2)), rapid progression of kidney disease was associated with high tacrolimus level, non-HBV disease, posttransplant ARF, cause (CNI nephrotoxicity) and severity of posttransplant ARF and Child-Pugh score. CNI toxicity and focal segmental sclerosis, but not immune-complex disease, were revealed as significant contributors to CKD after LTx in HBV recipients. Conclusion. Judicious use of CNIs should be applied to liver recipients to prevent kidney dysfunction.
ISSN
0931-0509
Language
English
URI
http://hdl.handle.net/10371/76616
DOI
https://doi.org/10.1093/ndt/gfq093
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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