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Immunoglobulin-A Vasculitis With Renal Involvement in a Patient With COVID-19: A Case Report and Review of Acute Kidney Injury Related to SARS-CoV-2.
Li, Nicholas L; Papini, Adam B; Shao, Tiffany; Girard, Louis.
  • Li NL; Department of Medicine, Division of Nephrology, University of Calgary, AB, Canada.
  • Papini AB; Department of Medicine, Division of Nephrology, University of Calgary, AB, Canada.
  • Shao T; Department of Pathology & Laboratory Medicine, University of Calgary, AB, Canada.
  • Girard L; Department of Medicine, Division of Nephrology, University of Calgary, AB, Canada.
Can J Kidney Health Dis ; 8: 2054358121991684, 2021.
Article in English | MEDLINE | ID: covidwho-1090712
ABSTRACT
RATIONALE Acute kidney injury is a common complication of COVID-19 and is associated with significantly increased mortality. The most frequent renal biopsy finding with SARS-CoV-2 infection is acute tubular injury; however, new onset glomerular diseases have been reported. The development of persistent urinary abnormalities in patients with COVID-19 should prompt consideration for renal biopsy to rule out glomerulonephritis. PRESENTING CONCERNS A 30-year-old man with no prior medical history presented to the emergency department with symptoms of COVID-19 and new onset painful purpuric rash, arthralgia, and abdominal pain. SARS-CoV-2 infection was confirmed with nucleic acid testing and laboratory investigations revealed preserved renal function with dysmorphic hematuria and nephrotic range proteinuria. DIAGNOSIS A skin biopsy of the purpuric rash was performed, which demonstrated leukocytoclastic vasculitis. Renal biopsy revealed focally crescentic and segmentally necrotizing IgA nephropathy. Overall, given the clinical syndrome of glomerulonephritis with purpuric rash, arthralgia, and abdominal pain, the presentation is most in keeping with a diagnosis of IgA vasculitis in the setting of COVID-19.

INTERVENTIONS:

The patient was treated conservatively for COVID-19 in the community. A 7-day course of prednisone was started for the vasculitic rash. IgA nephropathy was managed conservatively with blood pressure control and RAAS blockade with losartan.

OUTCOMES:

With conservative management, the patient's COVID-19 symptoms resolved completely and he did not require hospital admission. Following prednisone therapy, the patient's rash, arthralgia, and abdominal pain improved. However, despite resolution of COVID-19, hematuria and proteinuria persisted. With the initiation of RAAS blockade, renal function remained stable and proteinuria improved dramatically at 6 weeks. NOVEL

FINDINGS:

De novo glomerulonephritis is a renal manifestation of SARS-CoV-2 infection beyond acute tubular injury. IgA vasculitis appears to be a rare complication of COVID-19.
Keywords

Full text: Available Collection: International databases Database: MEDLINE Type of study: Case report / Observational study / Prognostic study Topics: Long Covid Language: English Journal: Can J Kidney Health Dis Year: 2021 Document Type: Article Affiliation country: 2054358121991684

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Case report / Observational study / Prognostic study Topics: Long Covid Language: English Journal: Can J Kidney Health Dis Year: 2021 Document Type: Article Affiliation country: 2054358121991684