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1.
Children (Basel) ; 10(8)2023 Aug 08.
Artigo em Inglês | MEDLINE | ID: mdl-37628357

RESUMO

Transient hypogammaglobulinemia of infancy (THI) is a primary immunodeficiency caused by a temporary decline in serum immunoglobulin G (IgG) levels greater than two standard deviations below the mean age-specific reference values in infants between 5 and 24 months of age. Preterm infants are particularly susceptible to THI, as IgG is only transferred across the placenta from mother to infant during the third trimester of pregnancy. This study aimed to conduct a systematic review of the diagnostic criteria for transient hypogammaglobulinemia of infancy. Systematic review: Three electronic databases (PubMed, MEDLINE, and Google Scholar) were manually searched from September 2021 to April 2022. Abstracts were screened to assess their fit to the inclusion criteria. Data were extracted from the selected studies using an adapted extraction tool (Cochrane). The studies were then assessed for bias using an assessment tool adapted from Cochrane. Of the 215 identified articles, 16 were eligible for examining the diagnostic criteria of THI. These studies were also assessed for bias in the six domains. A total of five studies (31%) had a low risk of bias, while four studies (25%) had a high risk of bias, and bias in the case of seven studies (44%) was unclear. We conclude that THI is only definitively diagnosed after abnormal IgG levels normalise. Hence, THI is not a benign condition, and monitoring for subsequent recurrent infections must be conducted. The diagnostic criteria should also include vaccine and isohaemagglutinin responses to differentiate THI from other immunological disorders in infants.

2.
In. Faculty of Medical Sciences, The University of the West Indies. Faculty of Medical Sciences Students Research Day 2022. , , . , graf;ilus.
Não convencional em Inglês | MedCarib | ID: biblio-1516442

RESUMO

Transient Hypogammaglobulinemia of Infancy (THI) is a primary immunodeficiency disorder caused by the temporary decline of serum levels of immunoglobulin G (IgG) in an infant between 5 and 24 months of age. This immunodeficiency is underdiagnosed as IgG is not routinely measured (AU)


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Humanos , Lactente , Trinidad e Tobago , Região do Caribe
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