Introduction: Increasing evidence indicate that coronavirus disease 2019 (COVID-19) is companied by renal dysfunction. However, the association of Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2)-induced renal dysfunction with prognosis remains unclear.Materials and methods: This prospective case-cohort study analyzed 154 COVID-19 patients from the Second People’s Hospital of Fuyang City in Anhui Province. Clinical and demographic information were collected. Renal function was evaluated and its prognosis was followed up. Results: Of 154 hospitalized patients with COVID-19, 125 were common and 29 were severe patients. On admission, 16 (10.4%) patients were with renal dysfunction. Serum creatinine and cystatin C were increased, eGFR was decreased in severe patients compared with those in common patients. Renal dysfunction was more common in severe patients. By multivariate logistic regression, male, higher age and hypertension were three importantly independent risk factors of renal dysfunction in COVID-19 patients. Follow-up study found that at least one renal function marker of 3.33% patients remained abnormal in two weeks after discharge. Conclusion: Male elderly COVID-19 patients with hypertension elevates the risk of renal dysfunction. SARS-CoV-2-induced renal dysfunction are not fully recovered in two weeks after discharge.
Background Coronavirus disease 2019 (COVID-19) triggered by infection with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has been widely pandemic all over the world. The aim of this study was to analyze the influence factors of death risk among 200 COVID-19 patients.Methods Two hundred patients with confirmed SARS-CoV-2 infection were recruited. Demographic data and clinical characteristics were collected from electronic medical records. Biochemical indexes on admission were measured and patient's prognosis was tracked. The association of demographic data, clinical characteristics and biochemical indexes with death risk was analyzed.Results Of 200 COVID-19 patients, 163 (81.5%) had at least one of comorbidities. Among all patients, critical cases accounted for 26.2%. Severe cases were 29.7%. Besides, common cases accounted for 44.1%. At the end of follow-up, 34 (17%) were died on mean 10.9 day after hospitalization. Stratified analysis revealed that older ages, lower oxygenation index and comorbidities elevated death risk of COVID-19 patients. On admission, 85.5% COVID-19 patients were with at least one of extrapulmonary organ injuries. Univariable logistic regression showed that ALT, TBIL, AST, myoglobin and LDH, AST/ALT ratio, creatinine, urea nitrogen and uric acid were positively associated with death risk of COVID-19 patients. Multivariable logistic regression revealed that AST/ALT ratio, urea nitrogen, TBIL and LDH on admission were positively correlated with death risk of COVID-19 patients.Conclusion Older age, lower oxygenation index and comorbidities on admission elevate death risk of COVID-19 patients. AST/ALT ratio, urea nitrogen, TBIL and LDH on admission may be potential prognostic indicators.
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