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Acute kidney failure in patients admitted due to COVID-19

Nefrología, 2021-01, Vol.41 (1), p.34-40 [Peer Reviewed Journal]

EISSN: 2013-2514 ;DOI: 10.1016/j.nefro.2020.08.005

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  • Title:
    Acute kidney failure in patients admitted due to COVID-19
  • Author: Tarragón, Blanca ; Valdenebro, María ; Serrano, Maria Luisa ; Maroto, Alba ; Llópez-Carratalá, M Rosario ; Ramos, Antonio ; Rubio, Esther ; Huerta, Ana ; Marques, María ; Portolés, Jose
  • Is Part Of: Nefrología, 2021-01, Vol.41 (1), p.34-40
  • Description: BACKGROUND AND AIMIn December 2019, a coronavirus 2019 (COVID-19) outbreak, caused by SARS-CoV-2, took place in Wuhan, China, and was declared a global pandemic in March 2020 by the World Health Organization. It is a prominently respiratory infection, with potential cardiological, hematological, gastrointestinal and renal complications. Acute kidney injury (AKI) is found in 0.5-25% of hospitalized COVID-19 patients and constitutes a negative prognostic factor. Renal damage mechanisms are not completely clear. We report the clinical evolution of hospitalized COVID-19 patients who presented with AKI requiring attention from the Nephrology team in a tertiary hospital in Madrid, Spain.METHODSThis is an observational prospective study including all COVID-19 cases that required hospitalization and Nephrology management from March 6th to May 12th 2020. We collected clinical and analytical data of baseline characteristics, COVID-19 and AKI evolutions.RESULTSWe analyzed 41 patients with a mean age of 66.8 years (SD 2.1), 90.2% males, and with a history of chronic kidney disease in 36.6%. A percentage of 56.1 presented with severe pneumonia or acute respiratory distress syndrome, and 31.7% required intensive care. AKI etiology was prerenal in 61%, acute tubular necrosis in the context of sepsis in 24.4%, glomerular in 7.3% and tubular toxicity in 7.3% of the cases. We reported proteinuria in 88.9% and hematuria in 79.4% of patients. A percentage of 48.8 required renal replacement therapy. Median length of stay was 12 days (IQR 9-23) and 22% of the population died. Patients who developed AKI during hospital stay presented with higher C-reactive protein, LDH and D-dimer values, more severe pulmonary damage, more frequent ICU admission, treatment with lopinavir/ritonavir and biological drugs and renal replacement therapy requirement.CONCLUSIONSHypovolemia and dehydration are a frequent cause of AKI among COVID-19 patients. Those who develop AKI during hospitalization display worse prognostic factors in terms of pulmonary damage, renal damage, and analytical findings. We believe that monitorization of renal markers, as well as individualized fluid management, can play a key role in AKI prevention.
  • Language: English;Spanish
  • Identifier: EISSN: 2013-2514
    DOI: 10.1016/j.nefro.2020.08.005
  • Source: GFMER Free Medical Journals
    Alma/SFX Local Collection
    DOAJ Directory of Open Access Journals
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