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Intolerancia a la lactosa

Authors: Sanz Pizano, María Belén;

Intolerancia a la lactosa

Abstract

La intolerancia a la lactosa es un conjunto sintomático caracterizado por problemas digestivos que aparecen como consecuencia de la malabsorción/maldigestión de lactosa. Es una patología que tiene diferentes orígenes, siendo la mas común la hipolactasia de tipo adulto o lactasa no persistente. Se caracteriza por la pérdida progresiva de la actividad de la enzima lactasa en individuos genéticamente predispuestos a ello. Como resultado, diferenciamos población con lactasa no persistente y con lactasa persistente. Tiene una alta prevalencia a nivel mundial y hoy en día supone un problema para aquellas personas que la padecen ya que la lactosa es un azúcar que no solo se encuentra en la leche y en sus derivados, también podemos encontrarla en otros alimentos de consumo diario y como excipiente de algunos medicamentos. En esta revisión bibliográfica se ofrece una visión general sobre la intolerancia a la lactosa, comenzando con el estudio de la regulación de la expresión de la lactasa y las mutaciones que provocan la aparición de individuos lactasa persistentes. Se describen las principales diferencias entre intolerancia a la lactosa y malabsorción/maldigestión de lactosa. Se detalla la fisiopatología y los síntomas propios de la intolerancia a la lactosa, tales como dolor abdominal, flatulencias, vómitos y diarrea entre otros. También se enumeran los tipos de intolerancia a la lactosa que existen, resaltando el tipo más común hoy en día. Se explican los diferentes métodos de diagnóstico utilizados en la actualidad, así como los resultados que hacen que cada prueba sea positiva. Por último, se analizan los diferentes tratamientos o alternativas existentes para paliar los síntomas.

Universidad de Sevilla. Grado en Farmacia

Country
Spain
Related Organizations
Keywords

Malabsorción de lactosa, Intolerancia a la lactosa, Lactasa no persistente, Lactasa

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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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!
0
Average
Average
Average
Green