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The new definition of acute kidney injury in patients with cirrhosis: a critical look
  1. Carlos Noronha Ferreira1,
  2. Teresa Rodrigues2,
  3. Helena Cortez-Pinto1,
  4. Fátima Serejo1,
  5. Fernando Ramalho1,
  6. Paula Alexandrino1,
  7. José Velosa1
  1. 1Serviço de Gastrenterologia e Hepatologia, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisboa, Portugal
  2. 2Laboratório de Biomatemática, Faculdade de Medicina de Lisboa, Lisboa, Portugal
  1. Correspondence to Dr Carlos Noronha Ferreira, Serviço de Gastrenterologia e Hepatologia, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Avenida Professor Egas Moniz, 1649-035, Lisboa, Portugal; carlosnferreira{at}hotmail.com

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In the paper ‘Working Party proposal for a revised classification system of renal dysfunction in patients with cirrhosis’ Florence Wong and co-authors have attempted to improve the definition of renal dysfunction in liver cirrhosis.1 The Working Party Statement (WPS) defines acute kidney injury as all causes of acute deterioration of renal function as indicated by an increase in serum creatinine (SeCr) of >50% from baseline or a rise in SeCr of ≥0.3 mg/dl in <48 h.1

We aimed at analysing and comparing the incidence and clinical significance of acute renal dysfunction (ARD) at hospital admission defined by the WPS and the conventional cut-off value of …

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