Abstract
Background: Acute kidney injury is common in COVID-19 patients admitted to the ICU. Urinary biomarkers are a non-invasive way of assaying renal damage, and so far, urinary cytokines are not fully investigated. The current study aimed to assess urinary cytokine levels in COVID-19 patients.
Methods: Urine was collected from COVID-19 patients (n = 29) in intensive care and compared to a preoperative group of patients (n = 9) with no critical illness. 92 urinary cytokines were analyzed in multiplex using the Olink Target 96 inflammation panel and compared to clinical characteristics, and urinary markers of kidney injury.
Results: There were strong correlations between proinflammatory cytokines and between urinary cytokines and urinary kidney injury markers in 29 COVID-19 patients. Several cytokines were correlated to kidney injury, 31 cytokines to AKI stage and 19 cytokines correlated to maximal creatinine.
Conclusions: Urinary inflammatory cytokines from a wide range of immune cell lineages were significantly upregulated during COVID-19 and the upregulation correlated with acute kidney injury as well as urinary markers of kidney tissue damage.
Keywords: Acute kidney injury; Biomarkers; COVID-19; Inflammation; Intensive care; Urine.
【저자키워드】 COVID-19, Inflammation, Biomarkers, intensive care, Acute kidney injury, Urine, 【초록키워드】 Critical illness, Biomarker, Biomarkers, Cytokines, intensive care, Clinical characteristics, cytokine, Acute kidney injury, ICU, Kidney injury, kidney, AKI, Patient, Urine, target, Inflammatory cytokines, multiplex, proinflammatory cytokines, correlation, Critical, Inflammatory cytokine, COVID-19 patients, marker, creatinine, COVID-19 patient, renal damage, Proinflammatory cytokine, Non-invasive, upregulation, immune cell lineages, kidney tissue, urinary, analyzed, significantly, investigated, was collected, correlated, upregulated, cytokine level, immune cell lineage, 【제목키워드】 Critically ill, COVID-19 patient, urinary,