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Year : 2021  |  Volume : 6  |  Issue : 2  |  Page : 198-204

Evaluation of donor demographic, clinical, and serological characteristics in COVID convalescent plasma donation by plasmapheresis

Department of Transfusion Medicine, Apollo Gleneagles Hospitals, Kolkata, West Bengal, India

Correspondence Address:
Dr. Sudipta Sekhar Das
Department of Transfusion Medicine, Apollo Gleneagles Hospitals, Kolkata, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/gjtm.gjtm_76_21

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Background and Objectives: Passive transfusion of convalescent plasma (CCP) in coronavirus disease 2019 (COVID-19) has proven to be a winning and logistically feasible therapeutic strategy. The efficacy of plasma depends on appropriate donor screening and selection. Ours being a tertiary care hospital with dedicated COVID facility, we obtained prescriptions of CCP from clinicians for the treatment of COVID-19. Here, we discuss the clinical and serological characters of the voluntary donors who altruistically visited the blood center for plasma donation. Methods: The study included 683 voluntary donors who visited the blood center for mandatory eligibility screening to donate plasma. Donor eligibility criteria were applied following established guidelines. Donor details were obtained from blood center records and software. Detailed investigations on blood samples were performed as mandated and discussed. Results: Among 683 donors initially registered 166 (24.3%) were deferred due to various causes The median age of eligible donors was 44 years with a male preponderance. The mean anti- severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) IgG (S/Co) was calculated to be 12.9. An upward trend in anti-SARS-CoV-2 IgG level was observed with increase in fever temperature, disease severity, and symptom-free days (P < 0.05). Conclusion: Donor screening and selection in CCP donation should be performed meticulously to obtain safe and potent plasma products. Based on our findings, we suggest that in addition to optimum anti-SARS-CoV-2 IgG levels, factors such as the severity of disease, fever temperature, and symptom-free days which determine antibody adequacy may be considered while selecting CCP donors.

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