Impact of Time and Mechanical Ventilation on Convalescent Plasma in Severe/Critically Ill COVID-19 Patients
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How to Cite

Abolghasemi, H., Cheraghali, A. M. ., ImaniFooladi, A., Eshghi, P., Tazik, M., Sadri, N., BoloukiMoghaddam, F., Rezapour, M., Imanizadeh, sina, Maeini Maleki, M., Ranjkesh, M. H., Maghsoudi, H., Maghsoodlu, M., HosseiniDivkolaye, N., Jafari, R., Einollahi, B., Nikpouraghdam, M., Soleimani, Z., Bahramifar, A., Goodarzi, H., JoneidiJafari, N., Sepandi, M., Ghazvini, A., Hoseini, S. M. J., & Radfar, M. H. (2021). Impact of Time and Mechanical Ventilation on Convalescent Plasma in Severe/Critically Ill COVID-19 Patients . Iranian Red Crescent Medical Journal, 23(9). https://doi.org/10.32592/ircmj.2021.23.9.802

Abstract

Background: Convalescent plasma (CP) transfusion is one of the suggested treatments for Coronavirus disease 2019 (COVID-19) especially in critically ill patients.

Objectives: This study aimed to investigate the efficacy and safety of CP transfusion were investigated in severe/critically ill COVID-19 patients.

Methods: This study was performed on 50 consecutive COVID-19 patients with severe/critically ill disease. Severe disease was defined as having at least one of the following symptoms: shortness of breath, respiratory frequency ≥ 20/min, blood oxygen saturation ≤ 93%, partial pressure of arterial oxygen to fraction of inspired oxygen ratio < 300, lung infiltrates > 50% within the last 24-48 h. Critically ill disease was identified by intensive care unit admission, respiratory failure, septic shock, or multiple organ dysfunction or failure. Primary outcomes included the safety of CP transfusion, 14-day and 30-day survival rate, and change in lung computed tomography (CT) scan score. Several other clinical and laboratory features were evaluated as the secondary outcomes.

Results: Based on the results, 21 out of 50 consecutive patients were on mechanical ventilation at the time of CP transfusion. In total, 32 patients (64%) survived 30 days after CP transfusion. The survival rates were 74% and 44% in patients who received CP < 7 and ≥ 7 days after admission, respectively. While 92% of patients without mechanical ventilation survived, the survival rate of patients on mechanical ventilation was 29%. Moreover, the CT scan score and some other clinical features were improved in  the group that received CP transfusion, and no adverse effects were observed.

Conclusion: The CP transfusion is a safe and effective treatment in severe/critically ill COVID-19 patients. The best outcome can be achieved in patients who are not on mechanical ventilation, especially early in the disease course.

                     

https://doi.org/10.32592/ircmj.2021.23.9.802
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