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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Medicina Clínicaarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Medicina Clínica
Article . 2015 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Porfiria aguda intermitente: seguimiento a largo término de 35 pacientes

Authors: Carmen Herrero; Celia Badenas; Paula Aguilera; Jordi To-Figueras;

Porfiria aguda intermitente: seguimiento a largo término de 35 pacientes

Abstract

Resumen Fundamento y objetivos La porfiria aguda intermitente (PAI) es una enfermedad causada por un defecto en la enzima porfobilinogeno deaminasa que cataliza la tercera etapa de sintesis del hemo. Los portadores pueden presentar ataques neuroviscerales agudos tras sobreproduccion hepatica de precursores del hemo. Pacientes y metodo Se presentan las caracteristicas de todos los pacientes con PAI atendidos en el Hospital Clinic de Barcelona entre los anos 1993-2013, y su seguimiento a largo plazo. Resultados Treinta y cinco pacientes con PAI (33 mujeres y 2 varones) presentaron ataques agudos neuroviscerales. El tratamiento con hemina resolvio el cuadro agudo en todos los casos. Nueve pacientes presentaron polineuropatia y secuelas persistentes. El seguimiento permitio clasificar a los pacientes en: A, con sintomatologia aguda durante 1-2 anos y posterior remision duradera (n = 24) o bien alguna crisis puntual (n = 3), y B, con ataques recurrentes que requirieron administracion cronica de hemina (n = 8). En la mayoria de los pacientes del grupo A la concentracion urinaria de precursores del hemo fue disminuyendo progresivamente, mientras que en el grupo B esta se mantuvo elevada sin descenso observable a largo termino. Adicionalmente, el estudio familiar permitio identificar 44 portadores asintomaticos, la mayoria (70,5%) con valores normales de precusores del hemo en orina. Conclusiones Una mayoria de pacientes con PAI de nuestra serie logro una remision clinica duradera. Una minoria presenta ataques recurrentes, sin que el tratamiento cronico con hemina haga factible su interrupcion ni induzca remision bioquimica a largo plazo. El tipo de mutacion en el gen de la porfobilinogeno deaminasa, y tambien factores asociados al estilo de vida, pueden determinar el curso de la remision.

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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!
15
Top 10%
Top 10%
Top 10%
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