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Practice Guideline
. 2025 Jun 1;123(3):e202310308.
doi: 10.5546/aap.2023-10308.

[Recommendations about immunizations in patients with inborn errors of immunity]

[Article in Spanish]
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Free article
Practice Guideline

[Recommendations about immunizations in patients with inborn errors of immunity]

[Article in Spanish]
María N Tahuil et al. Arch Argent Pediatr. .
Free article

Abstract

Inborn errors of immunity (IEI) are a heterogeneous group of hereditary disorders that affect in number and/or function different components of the immune system, resulting in an increased risk and severity of infections, autoimmune diseases, allergic manifestations, autoinflammation and malignancy. Inactivated vaccines are generally safe in these patients, but may be ineffective in some cases, due to difference in immunogenicity. However, live viral and bacterial vaccines may lead to disease, with high morbidity and mortality, so it is essential a previous immunological work-out. In this document, the Pediatric Immunology Work Group of the Sociedad Argentina de Pediatría summarizes recommendations about immunizations in patients with IEI, their household contacts, as well as in patients under immunosuppressive treatment and hematopoietic stem cell transplant recipients.

Los errores innatos de la inmunidad (EII) constituyen un grupo heterogéneo de enfermedades hereditarias que afectan el número y/o la función de los distintos componentes del sistema inmune, lo que predispone a un incremento de la tasa y gravedad de infecciones, enfermedades autoinmunes, manifestaciones alérgicas, autoinflamación y malignidad. En estos pacientes, la inmunización con vacunas inactivadas es generalmente segura, pero puede no ser efectiva en determinados grupos de EII, sin generar el efecto protector deseado. La aplicación de vacunas vivas atenuadas (virales y bacterianas) puede llevar al desarrollo de enfermedad asociada a la inmunización, con elevada morbimortalidad, por lo que amerita previamente consultar al especialista. El presente informe resume las conclusiones del Grupo de Trabajo de Inmunología de la Sociedad Argentina de Pediatría respecto a la vacunación en pacientes con EII y sus convivientes, en pacientes bajo inmunosupresión farmacológica y en receptores de trasplante de células precursoras hematopoyéticas.

Keywords: immunologic deficiency syndromes; transplant recipients.; vaccination.

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