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Intern Emerg Med ; 18(2): 397-407, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36538188

RESUMEN

In this study, we present an 18-month serological follow-up of 294 patients with COVID-19 pneumonia. The aim was to assess the dynamics of serological response and its correlation with clinical worsening, as well as to describe clinical worsening determinants. Results of the study showed an early immunoglobulin M response, which clearly diminished starting at 4 months, but nonetheless, a small group of patients remained positive. As for immunoglobulin G, levels were higher up to 6 months in patients who presented clinical worsening during hospitalization. High titers of the immunoglobulin were maintained in all patients during follow-up, which would indicate that humoral immunity due to infection is long-lasting. Male sex, presence of myalgias and extensive radiological affectation were significantly correlated with clinical worsening.


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COVID-19 , Humanos , Masculino , SARS-CoV-2 , Estudios Prospectivos , Anticuerpos Antivirales , Hospitalización
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