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Endocrinología y Nutrición
Article . 2012 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Tratamiento con dosis fija de tiroxina en gestantes con hipotiroidismo subclínico

Authors: García-Mayor García, Ricardo Victor; Luna Cano, María Reyes; Penín Alvarez, Manuel Avelino; Seoane Cruz, Ines;

Tratamiento con dosis fija de tiroxina en gestantes con hipotiroidismo subclínico

Abstract

Resumen Introduccion El tratamiento del hipotiroidismo se hace habitualmente calculando la dosis de tiroxina en funcion del peso del paciente. En algunas situaciones se ha comprobado la utilidad de administrar dosis fijas de la hormona para normalizar la concentracion de TSH, cuyo control es especialmente importante en el caso de pacientes gestantes. Pacientes y metodos Se administro una dosis fija de 50 mcg/dia de tiroxina a 68 mujeres con hipotiroidismo subclinico diagnosticado durante la gestacion, autoinmune o no, y se evaluo trimestralmente a traves de la concentracion de TSH la necesidad de modificarla. Se programaron incrementos o decrementos de 25 mcg/dia en los casos en los que el cambio de dosis fuese necesario. Resultados El 42% de las pacientes alcanzaron una concentracion plasmatica de TSH inferior a 3 μU/mL con la dosis de 50 mcg/dia de tiroxina. Si se toman como referencia los valores de la poblacion general no gestante, dicha dosis fue optima durante el embarazo en el 79,4% de las pacientes; y no lo fue en el 20,6% restante. Discusion Nuestros datos sugieren que una dosis fija de 50 mcg/dia de tiroxina es insuficiente en un porcentaje elevado de pacientes con hipotiroidismo diagnosticado en la gestacion, tanto si se toman como valores de referencia de concentracion de TSH los de la poblacion general como (especialmente) si se usan las recomendaciones mas recientes. Dosis de 75 mcg/dia seran probablemente mas adecuadas, aunque se necesitan estudios que evaluen la posibilidad de sobretratamiento con dichas dosis.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Average
Top 10%
Green