Cystatin C and renal function in pediatric kidney transplant recipients

Cystatin C and renal function in pediatric kidney transplant recipients

Autor Franco, Maria do Carmo Pinho Autor UNIFESP Google Scholar
Nagasako, Samantha Santiago Autor UNIFESP Google Scholar
Machado, Paula Goulart Pinheiro Autor UNIFESP Google Scholar
Nogueira, Paulo Cesar Koch Autor UNIFESP Google Scholar
Pestana, Jose Osmar Medina Autor UNIFESP Google Scholar
Sesso, Ricardo de Castro Cintra Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo In clinical practice, the glomerular filtration rate (GFR) is often determined with serum creatinine. However, studies have shown cystatin C to be a better parameter for the diagnosis of impaired renal function. We compared GFR estimated by plasma cystatin C with GFR estimated by serum creatinine in a sample of 50 pediatric renal transplant recipients and 24 healthy children. The correlation between GFR estimated by serum creatinine and by cystatin C was significant (r = 0.75; P < 0.001, Person’s correlation); however, in pediatric kidney transplant recipients, the GFR was 6.7 mL/min lower when determined using cystatin C rather than serum creatinine. Moreover, using GFR estimated by cystatin C we found that 42% of the pediatric kidney transplant recipients had an estimated GFR <60 mL·min-1·1.73 (m²)-1, whereas when GFR was estimated by the serum creatinine formula only 16% of the children had values below this cutoff point indicative of chronic kidney disease (P < 0.001). We conclude that, in pediatric kidney transplant recipients, estimation of GFR yields lower values when cystatin C is used rather than serum creatinine.
Palavra-chave Children
Kidney transplant
Cystatin C
Creatinine
Glomerular filtration rate
Idioma Inglês
Financiador Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Número do financiamento FAPESP: 04/10342-7
Data de publicação 2009-12-01
Publicado em Brazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica, v. 42, n. 12, p. 1225-1229, 2009.
ISSN 0100-879X (Sherpa/Romeo, fator de impacto)
Publicador Associação Brasileira de Divulgação Científica
Extensão 1225-1229
Fonte http://dx.doi.org/10.1590/S0100-879X2009007500003
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000272487500017
SciELO S0100-879X2009001200017 (estatísticas na SciELO)
Endereço permanente http://repositorio.unifesp.br/handle/11600/5366

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