• Turk J Med Sci · Feb 2021

    Efficacy of convalescent plasma according to blood groups in COVID-19 patients.

    • Tuba Hacibekiroğlu, Yasin Kalpakçı, Ahmed Cihad Genç, İlhan Hacibekiroğlu, Cenk Sunu, Adem Saricaoğlu, Yakup Tomak, Oğuz Karabay, and Mehmet Köroğlu.
    • Department of Hematology, Faculty of Medicine, Sakarya University, Sakarya, Turkey
    • Turk J Med Sci. 2021 Feb 26; 51 (1): 45-48.

    Background/AimIn this study, we aim to investigate the efficacy of convalescent plasma (CP) according to blood groups (BGs) in the treatment of critically ill patients diagnosed with COVID-19.Materials And MethodsTwenty-eight critically ill and laboratory-confirmed COVID-19 patients who were admitted to the intensive care unit (ICU) of Sakarya University, Medical Faculty were included in the study. Patients were divided into 2 groups: patients who received anti-A antibody (Ab) containing CP (BG O and B) and those who did not receive CP containing anti-A Ab (BG A and AB).ResultsAmong the 28 patients, 13 patients received anti-A Ab containing CP (BG; B: 6, O: 7) and 15 patients did not receive anti-A Ab CP (BG; A: 13, AB: 2). Duration in ICU, the rates of mechanical ventilation (MV) support and vasopressor support, the case fatality rate, and the discharge rate were lower in patients who received CP containing anti-A Ab than not containing anti-A Ab CP. However, only the difference in the rate of MV support achieved statistically significance (P = 0.04)ConclusionIn our study, it was observed that the efficiency of CP without anti-A antibody was lower than that of plasma containing anti-A antibody, although it was not statistically significant. This result is thought to be due to the anti-A antibody’s ability to block the ACE2 receptor. We believe that this hypothesis should be investigated in controlled studies with higher patient numbers.This work is licensed under a Creative Commons Attribution 4.0 International License.

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