Periodicidad semestral: flujo continuo.
ISSN - Electrónico: 2661-6947 / DOI: 10.36015 • LILACS BIREME (19784); LATINDEX (20666)
On January 30, 2020, the World Health Organization (WHO) declared that the COVID-19 outbreak constitutes a public health emergency of international concern (PHEIC). On March 11, 2020, the WHO declared the pandemic1,2. COVID-19 is an acute respiratory disease caused by a newly emerging zoonotic coronavirus1. Coronaviruses are a family of viruses that was discovered in the 1960s but whose origin is still unknown. They can cause disease in both animals and humans. In humans, several coronaviruses (229E, OC43, NL63, and HUK 1) are known to be responsible for the common cold, and serious infections of the lower respiratory tract can rarely occur. Two of the coronaviruses cause much more serious and even sometimes fatal infections in humans; These are: MERS-CoV, as the cause of respiratory syndrome in the Middle East, and SARS-CoV, which produces severe acute respiratory syndrome3,4. The pandemic due to the SARS-CoV-2 virus requires urgent sanitary measures aimed at reducing the risk of transmission of the infection3,4.
Currently, there is no effective treatment to address SARS-CoV-2 disease (COVID-19). The WHO issued a report that early results with the use of convalescent plasma (PC) may be a potentially useful treatment modality for COVID-193-5. In this sense, the opportunity for the Transfusion Systems of each country to carry out a risk assessment to gauge their ability to extract, prepare and store this type of donation. This includes adequate critical human resources and supplies, as well as a comprehensive control of procedures and infrastructure. In this framework, it is suggested that contacts with hospital services be initiated so that they collaborate in the selection of patients who, having overcome the COVID-19 disease, may be candidates for plasma donation without diminishing their rights1. The decision to develop this option requires a rapid, but comprehensive, review of the etiologic agent or related agents and the immune response to them to assess the possible benefits and risks of passive immunization. The general principles established in the position papers of the WHO Blood Regulators Network (BRN) on the use of convalescent plasma, as an element of response to previous outbreaks of emerging viruses (2017) and as a response to the syndrome coronavirus respiratory problems of the Middle East (2014) are still applicable to this SARS-CoV-2 pandemic6,7. The lack of conclusive clinical evidence of the use of convalescent plasma in SARS-CoV-2 infection should not be a reason to abandon the use of convalescent plasma. Randomized clinical trials are ongoing and results will not be available for months as there is no justification based on available evidence and professional ethics to categorically deny the use of convalescent plasma in hospitals that do not participate in a randomized clinical trial. The following protocol has taken some of the recommendations of the Scientific Committee for Transfusion Safety of the Spanish Ministry of Health Version 1.0 - March 26, 20201. And it has been modified to try to adapt it to the reality of our institution.
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