Risk Factors for Delayed Hyperthyrotropinemia in Late Preterm Infants
Neonatal Medicine
;
: 204-212, 2019.
Artículo
en Inglés
| WPRIM
| ID: wpr-786440
ABSTRACT
PURPOSE:
This study aimed to investigate the prevalence of delayed thyroid dysfunction based on iodine disinfectant use and to analyze associated risk factors.METHODS:
A retrospective study was conducted on late preterm infants admitted to the neonatal intensive care unit between January 2010 and June 2018, who underwent neonatal thyroid screening (NTS) and ≥2 thyroid function tests (TFTs). NTS was performed 3 days after birth, with at least two TFTs 1 week and 2 to 4 weeks after birth. To distinguish between normal and dysfunctional thyroid levels, we reviewed TFT results at 2 to 4 weeks and examined possible risk factors for the development of thyroid dysfunction.RESULTS:
Of 295 late preterm infants, 262 were enrolled with a mean gestational age and birth weight of 34.8±0.7 weeks and 2,170±454 g, respectively. A total of 7.6% developed hyperthyrotropinemia at the age of 24.3±14.6 days (range, 12 to 69). The incidence of hyperthyrotropinemia during iodine use was approximately 12.6%, while that during discontinuation was 2.4% (P=0.002). Multivariate analysis revealed that small for gestational age (SGA), iodine disinfectant use, and abnormal NTS results were significant risk factors for delayed hyperthyrotropinemia (adjusted odds ratio [AOR] 4.27, P=0.008; AOR 8.24, P=0.003; and AOR 7.80, P=0.002, respectively).CONCLUSION:
Delayed hyperthyrotropinemia was prevalent in late preterm infants exposed to topical iodine and those identified as being SGA. Secondary TFTs should be considered 2 to 4 weeks after birth for this population at risk.
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Pruebas de Función de la Tiroides
/
Glándula Tiroides
/
Características de la Población
/
Peso al Nacer
/
Recien Nacido Prematuro
/
Tirotropina
/
Cuidado Intensivo Neonatal
/
Oportunidad Relativa
/
Tamizaje Masivo
/
Incidencia
Tipo de estudio:
Estudio de etiología
/
Estudio de incidencia
/
Estudio observacional
/
Estudio de prevalencia
/
Estudio pronóstico
/
Factores de riesgo
/
Estudio de tamizaje
Límite:
Humanos
/
Recién Nacido
Idioma:
Inglés
Revista:
Neonatal Medicine
Año:
2019
Tipo del documento:
Artículo
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