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Prevalence of Unexpected Antibodies in Pregnant Korean Women and Neonatal Outcomes / 대한수혈학회지
Korean Journal of Blood Transfusion ; : 23-32, 2019.
Artículo en Inglés | WPRIM | ID: wpr-759583
ABSTRACT

BACKGROUND:

In pregnant women, the frequency of irregular antibodies that cause hemolytic disease of the fetus and newborn (HDFN) vary between study populations. The clinical manifestations of HDFN differ according to the specificities and degree of irregular antibodies. This study examined the frequency and nature of maternal alloimmunization and neonatal outcomes.

METHODS:

Pregnant women, who underwent irregular antibody screening for prenatal testing at an obstetrics clinic in a single center, were enrolled. Those who screened positive for irregular antibodies were selected as the test group, and age- and obstetrics history-matched pregnant women were selected as the control group to evaluate the pregnancy outcomes according to irregular antibodies.

RESULTS:

The prevalence of irregular antibodies was 2.78% (42/1,508). With the exception of an unidentified antibody, anti-D was the most frequently identified antibody, followed in order by anti-E and anti-Le(a). The rate of fetal death was higher in the test group (6/37, 16.2%) than in the control group (1/37, 2.7%) (P=0.047). Eight pregnant women had anti-C or anti-D, one woman had a stillbirth, and four living neonates developed hyperbilirubinemia. Of six pregnant women with anti-E alone or with other alloantibodies, three experienced a spontaneous abortion or stillbirth. Among the six newborns with maternal anti-Le(a) and anti-Jk(a), four developed hyperbilirubinemia, but their mothers did not experience a spontaneous abortion or stillbirth.

CONCLUSION:

The prevalence of unexpected antibodies among pregnant Korean women was 2.78%. A significant difference in neonatal outcomes was observed, including the death rate, prematurity, and hyperbilirubinemia, depending on the specificity of the unexpected antibody.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Resultado del Embarazo / Aborto Espontáneo / Tamizaje Masivo / Prevalencia / Mortalidad / Sensibilidad y Especificidad / Mujeres Embarazadas / Mortinato / Muerte Fetal / Feto Tipo de estudio: Estudio diagnóstico / Estudio de prevalencia / Estudio pronóstico / Estudio de tamizaje Límite: Femenino / Humanos / Recién Nacido / Embarazo Idioma: Inglés Revista: Korean Journal of Blood Transfusion Año: 2019 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Resultado del Embarazo / Aborto Espontáneo / Tamizaje Masivo / Prevalencia / Mortalidad / Sensibilidad y Especificidad / Mujeres Embarazadas / Mortinato / Muerte Fetal / Feto Tipo de estudio: Estudio diagnóstico / Estudio de prevalencia / Estudio pronóstico / Estudio de tamizaje Límite: Femenino / Humanos / Recién Nacido / Embarazo Idioma: Inglés Revista: Korean Journal of Blood Transfusion Año: 2019 Tipo del documento: Artículo