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Renal cortical necrosis is a rare condition with complex pathogenesis. There is no consensus over the best investigative modality for an initial diagnosis that is often in the context of acute renal failure. The applications of ultrasound contrast are ever growing, particularly with regard to the assessment of abdominal organs. Here, we present a case of post-partum bilateral renal cortical necrosis affecting bilateral native kidneys and the subsequent use of contrast enhanced ultrasound in confirming this diagnosis. The sonographic appearance was found to correlate with the patients' clinical presentation and other imaging findings. Secondarily, this allowed for appropriate and timely medical management and establishes the utility of ultrasound contrast in this clinical scenario. Contrast enhanced sonographic assessment should be considered early in patients with suspected renal vascular compromise. It is a safe, easy and efficacious investigative modality to stratify those patients with renal cortical necrosis from those with potentially reversible medical causes. [ABSTRACT FROM AUTHOR]

The coronavirus disease 2019 (COVID-19) pandemic has disproportionately affected patients with kidney disease, causing significant challenges in disease management, kidney research and trainee education. For patients, increased infection risk and disease severity, often complicated by acute kidney injury, have contributed to high mortality. Clinicians were faced with high clinical demands, resource shortages and novel ethical dilemmas in providing patient care. In this review, we address the impact of COVID-19 on the entire spectrum of kidney care, including acute kidney injury, chronic kidney disease, dialysis and transplantation, trainee education, disparities in health care, changes in health care policies, moral distress and the patient perspective. Based on current evidence, we provide a framework for the management and support of patients with kidney disease, infection mitigation strategies, resource allocation and support systems for the nephrology workforce. [ABSTRACT FROM AUTHOR]