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The Clinical Significance of Implementing Concurrent Direct Antiglobulin Test and Antibody Elution Test in Diagnosing Hemolytic Disease of the Fetus and Newborn / 대한수혈학회지
Korean Journal of Blood Transfusion ; : 238-247, 2017.
Artigo em Coreano | WPRIM | ID: wpr-158044
ABSTRACT

BACKGROUND:

Hemolytic disease of the fetus and newborn (HDFN) is a condition in which immune hemolytic anemia occurs in fetuses or newborns as a result of maternal alloimunized antibodies transfer. Antibody elution test and direct antiglobulin test (DAT) can be performed to diagnose HDFN; maternal originated antibodies cannot be confirmed if DAT is utilized alone. In this study, we analyzed the clinical significance of implementing concurrent DAT and antibody elution test in diagnosing HDFN.

METHODS:

We retrospectively analyzed the DATs and antibody elution tests that were simultaneously conducted in a period of 11 years, between 2005 and 2015, in newborns that received hemoglobin, reticulocyte, and total bilirubin tests. According to the results of these tests, the number of newborns diagnosed with HDFN was measured. Furthermore, the sensitivity and specificity of DAT and antibody elution test were compared.

RESULTS:

Among 325 newborns, the results of DATs and antibody elution tests were both negative in 208 (64.0%), negative and positive, respectively, in 80 (24.6%), positive and negative in 10 (3.1%), both positive in 27 (8.3%). When this was compared to the clinical diagnosis of HDFN, more sensitive and specific diagnoses were possible when implementing DAT and antibody elution test together (sensitivity of 76.9% for antibody elution test and specificity of 90.3% for DAT). Twenty-six (8.0%) newborns suspected for HDFN showed clinically significant hemolytic anemia.

CONCLUSION:

It is necessary to conduct both DAT and antibody elution test when HDFN is suspected. The severity of hemolysis in HDFN can be indirectly anticipated using an antibody elution test confirming maternal originated alloantibodies.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Reticulócitos / Bilirrubina / Teste de Coombs / Estudos Retrospectivos / Sensibilidade e Especificidade / Diagnóstico / Feto / Hemólise / Anemia Hemolítica / Isoanticorpos Tipo de estudo: Estudo diagnóstico / Estudo observacional Limite: Humanos / Recém-Nascido Idioma: Coreano Revista: Korean Journal of Blood Transfusion Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Reticulócitos / Bilirrubina / Teste de Coombs / Estudos Retrospectivos / Sensibilidade e Especificidade / Diagnóstico / Feto / Hemólise / Anemia Hemolítica / Isoanticorpos Tipo de estudo: Estudo diagnóstico / Estudo observacional Limite: Humanos / Recém-Nascido Idioma: Coreano Revista: Korean Journal of Blood Transfusion Ano de publicação: 2017 Tipo de documento: Artigo