Development and implementation of a COVID-19 convalescent plasma program in a middle-income economy
AUTOR(ES)
Duarte, Gustavo de Carvalho; Simoni, Vivian; Ribeiro, Glaciano Nogueira; Haddad, Ricardo; Moschen, Mariangela; Toledo, Rodrigo Spessotto Morais; Ottoboni, Maria Angela Pignata; Mendrone-Junior, Alfredo; Langhi, Dante Mario
FONTE
Hematology, Transfusion and Cell Therapy
DATA DE PUBLICAÇÃO
2022
RESUMO
Abstract Introduction Convalescent Plasma therapy is one of the therapeutic strategies that has been used for patients with the Covid-19 disease. Implementing a program with national extension to supply hospitals with this blood component is a great challenge mainly in a middle-income economy. Objectives Our objective was to develop and implement a Covid-19 Convalescent Plasma Program which met established quality standards and was adapted to a reality of limited resources. Methods A multicentric convalescent plasma collection program was developed and implemented, based on four main sequential procedures: selective donor recruitment, pre-donation antibody screening (Anti-SARS-CoV-2- Chemiluminescence IgG Abbott), convalescent plasma collection by apheresis or whole-blood processing and distribution to the hospitals according to local demand. Results From the 572 candidates submitted to the pre-donation antibody screening, only 270 (47%) were considered eligible for plasma donation according to the established criteria. Higher levels of total antibody were associated with the donor age being above 45 years old (p= 0.002), hospital admission (p= 0.018), and a shorter interval between the diagnosis of the SARS-CoV-2 infection and plasma donation (p < 0.001). There was no association between the ABO and Rh blood groups and their antibody levels. Of the 468 donations made, 61% were from the collection of whole-blood and 39%, from apheresis. The Covid-19 Convalescent Plasma units obtained were distributed to 21 different cities throughout the country by air or ground transportation. Conclusion The implementation of a Covid-19 Convalescent Plasma program in a continental country with relatively scarce resources is feasible with alternative strategies to promote lower cost procedures, while complying with local regulations and meeting quality standards.
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