Journal
JOURNAL OF FAMILY MEDICINE AND PRIMARY CARE
Volume 11, Issue 10, Pages 6183-6189Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/jfmpc.jfmpc_231_22
Keywords
Acute kidney injury; complication; COVID-19; mortality; SARS-CoV-2
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Funding
- deputy research and technology of Isfahan University of Medical Sciences [199085]
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This study aimed to examine the clinical features and outcomes of AKI in COVID-19 patients. The results showed that diabetes was the only significant clinical characteristic, and there were correlations between AKI stages and factors such as neutrophil-to-lymphocyte ratio, hemoglobin, albumin, and calcium levels. Additionally, secondary infection and hypoproteinemia were important clinical outcomes. Chronic obstructive lung disease, renal replacement therapy, lung consolidation, and bilateral pulmonary infiltration were factors associated with mortality rate in COVID-19 patients with AKI.
Background: Acute kidney injury (AKI) has the most prevalent complications in COVID-19 patients. A variety of factors is involved in the disease progression and its associated outcomes. The present study aimed at both examining the correlated clinical features of COVID-19 disease and AKI and evaluating its clinical outcomes. Materials and Methods: In the present retrospective study, 102 COVID-19 patients that encountered AKI were enrolled and categorized into three AKI stages. Basic and clinical characteristics, clinical signs and symptoms, laboratory and imaging findings, and treatment approaches were examined. Then, clinical outcomes as well as the factors associated with the mortality of patients were evaluated. Results: Diabetes was the only significant clinical characteristic among the patients (P = 0.004). An increasing trend was observed for neutrophil-to-lymphocyte ratio (P = 0.027) and potassium (K) (P = 0.006), and a decreasing trend was seen for hemoglobin (P < 0.001), albumin (P = 0.005), and calcium (P < 0.001) factors at higher stages of AKI. Secondary infection (P = 0.019) and hypoproteinemia (P = 0.018) were the most significant clinical outcomes. Chronic obstructive lung disease (OR = 1.362, P = 0.007), renal replacement therapy (OR = 2.067, P = 0.005), lung consolidation (OR = 0.722, P = 0.032), and bilateral pulmonary infiltration (OR = 4.793, P = 0.002) were the factors associated with mortality rate of COVID-19 patients with AKI. Conclusion: AKI, as an important complication of COVID-19, that can predict the higher mortality rate as well as the laboratory and clinical characteristics should receive more due consideration in order to employ proper preventive or supportive treatment approaches that are the pivotal key to reduce the mortality rate in target patients.
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