Covid-19 and acute kidney injury in hospital: summaryof NICE guidelines
2020
Acute kidney injury (AKI), a sudden reduction in kidney
function, is seen in some people with covid-19 infection. A
subset of patients develop severe AKI and require renal
replacement therapy (RRT). As in many settings, the
development of AKI is associated with an increased risk of
mortality.1 2 Although our understanding is incomplete, a picture is emerging from case reports and autopsy series of covid-19 specific causes of AKI. Intrinsic renal pathology including thrombotic vascular processes, viral mediated tubular cell injury, and glomerulonephritis have been reported, as well as AKI resulting from extrinsic factors such as fluid depletion, multi-organ failure, and rhabdomyolysis.3-7 Anecdotal reports
have emerged of proximal tubular injury with Fanconi syndrome that manifests as hypokalaemia, hypophosphataemia, normal anion gap metabolic acidosis, and hypovolaemia from salt wasting. Importantly, AKI can occur at all stages of covid-19 infection, so clinical vigilance and consideration of risk factors for AKI alongside early detection and diagnosis are essential components of general supportive care. Fluid management is
central to this. This article summarises key points from the National Institute for Health and Care Excellence (NICE) covid-19 rapid guideline on AKI in hospital.
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