The Efficacy of Early Additional Hemoperfusion Therapy for Severe COVID-19 Patients: A Prospective Cohort Study
Abstract
Introduction: Currently, the effect of hemoperfusion on outcome in severe COVID-19 patients is still unknown. Therefore, we aimed to investigate the effects of early HA-330 hemoperfusion in severe COVID-19 patients. Methods: We conducted a single center, prospective cohort study on patients who were diagnosed with severe COVID-19 patients and admitted to ICU. Patients in hemoperfusion group (defined as patients who were treated with hemoperfusion therapy at least 3 sessions in combination with standard therapy) were compared with the control group (defined as patients who received standard treatment alone or received less than 3 sessions of hemoperfusion therapy). The primary outcome was daily sequential organ failure assessment (SOFA) scores. Secondary outcomes were all-cause mortality at 28 days, mechanical ventilator-free day, daily C-reactive protein (CRP), oxygenation (defined by PaO2/FiO2 ratio), and severity score of lung infiltration on the chest X-ray (CXR RALE score). All outcomes were adjusted by regression analysis to reduce the confounders due to some difference in baseline characteristics. Results: A total number of 29 severe and critical COVID-19 confirmed patients were enrolled. Fifteen patients were defined as hemoperfusion group and 14 were control group. The median of CRP and SOFA score at the baseline (the day after severe pneumonia diagnosis or before hemoperfusion) in hemoperfusion and control groups were comparable, 96.79 mg/L and 87.3 mg/L, p = 0.53,…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 19 participants or records.
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