Resumo

LOPEZ, Ana Laura et al. COVID-19 in adults with antibody deficiencies. Medicina (B. Aires) [online]. 2021, vol.81, n.3, pp.478-481. ISSN 0025-7680.

COVID-19, caused by SARS-CoV-2, emerged in late 2019 in Wuhan, China. Its clinical course is variable, as well as the mortality rate, which is higher among people over 65 years of age and persons with underlying conditions. Immunodeficiencies are po tential risk factors for severe forms of COVID-19. Furthermore, patients with immunodeficiencies often undergo non-infectious complications, which could bear additional risk. So far, few reports of patients with COVID-19 and humoral immunodeficiencies have been published. Considering the importance of the study of this new viral disease and its potential health impact on patients with immunodeficiency disorders, we present six cases of COVID-19 in patients with impaired humoral immunity. Three were women and three were men. The average age was 48.5 years (range 20-67). Four had been diagnosed with primary antibody deficiency: three had common variable immunodeficiency and one had X-linked agammaglobulinemia. The other two patients had secondary hypogammaglobulinemia, one was associated with thymoma (Good’s syndrome), and the other was associated with rituximab treatment. The evolution was favorable in all except the patient with Good’s syndrome, who pre sented a marked decline in clinical status before contracting COVID-19.

Palavras-chave : Primary immunodeficiency; Secondary immunodeficiency; COVID-19; SARS-CoV-2.

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