Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/ijms22158081
Keywords
COVID-19; acute kidney injury; RRT; dialysis
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COVID-19, primarily known as a respiratory illness, can also target the kidneys through the ACE2 receptor, leading to acute kidney injury. The development of AKI in COVID-19 patients is strongly associated with higher mortality, not only due to direct invasion of renal cells by the virus, but also involving mechanisms like hypovolemia and cytokine storm.
COVID-19 is mainly considered a respiratory illness, but since SARS-CoV-2 uses the angiotensin converting enzyme 2 receptor (ACE2) to enter human cells, the kidney is also a target of the viral infection. Acute kidney injury (AKI) is the most alarming condition in COVID-19 patients. Recent studies have confirmed the direct entry of SARS-CoV-2 into the renal cells, namely podocytes and proximal tubular cells, but this is not the only pathomechanism of kidney damage. Hypovolemia, cytokine storm and collapsing glomerulopathy also play an important role. An increasing number of papers suggest a strong association between AKI development and higher mortality in COVID-19 patients, hence our interest in the matter. Although knowledge about the role of kidneys in SARS-CoV-2 infection is changing dynamically and is yet to be fully investigated, we present an insight into the possible pathomechanisms of AKI in COVID-19, its clinical features, risk factors, impact on hospitalization and possible ways for its management via renal replacement therapy.
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