Özet:

Background: Coronavirus disease 2019 (COVID-19) has emerged as a global health catastrophe since its first reported cases in late December 2019. Critically ill COVID-19 patients have been related to cytokine storms leading to acute respiratory distress syndrome and high mortality rates. Therapeutic plasma exchange (TPE) and convalescent plasma (CP) therapy improve clinically by removing inflammatory cytokines excess and using passive antibody-containing blood, respectively. This study aimed to evaluate TPE and CP treatment for moderate-to-severe COVID-19 infection. Method: The patients were randomly divided into TPE group (n = 10), CP group (n = 11), and control group (n = 10). This 1-week quasi-experimental study with a pretest–post-test control group design was conducted in the Intensive Care Unit (ICU) of Dr. Moewardi General Hospital and Universitas Sebelas Maret (UNS) Hospital. The study comparison between groups included blood gas analysis profile (pH, base excess, PaCO2, PaO2, hematocrit, HCO3, total CO2, SaO2), FiO2, P/F ratio, COVID-19 severity, and D-dimer. The paired t-test was used to analyze every group's pretest–post-test mean difference. One-way ANOVA was performed to analyze the mean difference across the three groups. SPSS version 22.0 for Windows was used to perform statistical analyses. Result: TPE and CP groups showed significant clinical-laboratory improvement than control (p > 0.05). Furthermore, high clinical-laboratory improvement tendency was observed in CP therapy than TPE. Conclusion: The use of TPE and CP in moderate-to-severe COVID-19 patients has been related to improving clinical-laboratory outcomes.

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