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Transplantation ; 104(7): e188-e198, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32150034

RESUMO

BACKGROUND: Cystatin C (CysC) is an early biomarker of renal dysfunction scarcely studied in patients awaiting liver transplantation (LT). Sarcopenia is frequent in cirrhosis and impacts prognosis. We aimed to assess the capability of these factors to predict survival and acute-on-chronic liver failure (ACLF) in patients awaiting LT, as well as early post-LT outcomes. METHODS: Single-center study that included all cirrhotic patients listed for LT between 2014 and 2017. Competing risk regression analysis was used to evaluate the capability of liver-, kidney-, and global status-related variables at waitlist (WL) inclusion to predict WL mortality and ACLF. Variables associated with post-LT outcomes were evaluated with logistic regression analysis. RESULTS: One-hundred-and-eighty patients were included. Fifty-six (31%) patients developed ACLF, 54 (30%) underwent LT and 35 (19%) died. In the adjusted competing risk regression analysis, CysC ≥ 1.5 mg/L, sarcopenia and MELD-Na were independent predictors of ACLF in the WL, while CysC ≥ 1.5 mg/L, sarcopenia and albumin were independent predictors of mortality. The cumulative incidence of ACLF and mortality at 12 months were 50% and 34% in patients with sarcopenia and CysC ≥1.5 mg/L. An estimated glomerular filtration rate by chronic kidney disease (CKD)-EPI-CysC-creatinine <60 mL/min/1.73 m at WL inclusion was an independent predictor of the need for renal replacement therapy (RRT) in the first month post-LT. CONCLUSIONS: Higher levels of CysC and sarcopenia are strongly associated with the ACLF and mortality in WL. The assessment of both risk factors may improve the prognostic evaluation and allow identifying a group of patients with a very high risk of poor outcomes while awaiting LT.


Assuntos
Insuficiência Hepática Crônica Agudizada/diagnóstico , Cistatina C/sangue , Doença Hepática Terminal/mortalidade , Cirrose Hepática/mortalidade , Transplante de Fígado/efeitos adversos , Sarcopenia/embriologia , Injúria Renal Aguda/sangue , Injúria Renal Aguda/epidemiologia , Injúria Renal Aguda/etiologia , Injúria Renal Aguda/terapia , Insuficiência Hepática Crônica Agudizada/epidemiologia , Insuficiência Hepática Crônica Agudizada/etiologia , Insuficiência Hepática Crônica Agudizada/terapia , Idoso , Biomarcadores/sangue , Creatinina/sangue , Doença Hepática Terminal/sangue , Doença Hepática Terminal/complicações , Doença Hepática Terminal/diagnóstico , Feminino , Taxa de Filtração Glomerular , Humanos , Incidência , Cirrose Hepática/sangue , Cirrose Hepática/complicações , Cirrose Hepática/diagnóstico , Masculino , Pessoa de Meia-Idade , Seleção de Pacientes , Prognóstico , Insuficiência Renal Crônica/sangue , Insuficiência Renal Crônica/epidemiologia , Insuficiência Renal Crônica/etiologia , Insuficiência Renal Crônica/terapia , Terapia de Substituição Renal/estatística & dados numéricos , Estudos Retrospectivos , Medição de Risco/métodos , Fatores de Risco , Sarcopenia/sangue , Sarcopenia/etiologia , Índice de Gravidade de Doença , Listas de Espera/mortalidade
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