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Factors associated with mortality among hospitalized patients with COVID-19 disease treated with convalescent plasma
Armando M Perichon1, Andrea Acosta2, Liliana Di Tulio2
1Centro Único de Donación, Ablación e Implante de Órganos, Ministerio de Salud, Rosario, Santa Fe, Argentina.
Insights
Early convalescent plasma (CP) treatment for severe COVID-19 may reduce mortality. This therapy is a potentially safe, cost-effective option, especially where antivirals are unavailable.
Area of Science:
- Infectious Diseases
- Immunology
- Critical Care Medicine
Background:
- Convalescent plasma (CP) is explored as a COVID-19 treatment, particularly in resource-limited settings.
- Current FDA guidelines restrict CP use to specific immunocompromised patient groups with confirmed high antibody levels.
- While many trials show limited benefit in hospitalized patients, early administration may be effective.
Purpose of the Study:
- To evaluate the impact of early CP administration on mortality in severe COVID-19 patients.
- To assess the safety and cost-effectiveness of CP as a therapeutic option.
Main Methods:
- Retrospective study design.
- Analysis of patient data comparing early (within 3 days of hospitalization) versus late CP treatment.
- Assessment of 28-day mortality rates.
Main Results:
- Early CP treatment (within 3 days of hospitalization) was significantly associated with reduced 28-day mortality.
- CP demonstrated to be a relatively safe and inexpensive therapeutic option.
- Results support CP's potential efficacy in specific severe SARS-CoV-2 infected patients.
Conclusions:
- Early administration of convalescent plasma may improve outcomes for severe COVID-19 patients.
- Convalescent plasma represents a viable, cost-effective treatment option, especially in areas lacking antiviral drugs.
- Further evidence supports the use of CP in managing severe SARS-CoV-2 infections.
Importance:
The use of convalescent plasma (CP) could be an option for patients with severe COVID-19, especially in poor-resource countries where direct antiviral drugs are not commercially available. Currently, the U.S. Food and Drug Administration limits the CP administration for outpatients and inpatients with COVID-19 who are immunocompromised and only if high levels of anti-SARS-CoV-2 antibodies are confirmed in the CP unit. Although most of the randomized clinical trials failed to show a clear-cut benefit of CP in hospitalized patients with severe COVID-19, other studies have shown that if given early in the course of the disease, it might be a useful therapeutic option. In this retrospective study, we demonstrated that early treatment (within 3 days of hospitalization) was significantly associated with reduced 28-day mortality compared with those patients treated beyond day 3. The results from our study add up to the scientific evidence on the use of CP as a relatively safe, cheap, and possibly effective therapy in certain patients suffering from severe SARS-CoV-2 infection.
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