2022, Número 6
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Med Int Mex 2022; 38 (6)
Ascitis: fisiopatología, diagnóstico y tratamiento
Vidal-González D, Moreno-Madrigal LG, Pérez-López KP, Vera-Nungaray SA
Idioma: Español
Referencias bibliográficas: 50
Paginas: 1223-1232
Archivo PDF: 215.67 Kb.
RESUMEN
La ascitis es la acumulación de líquido en la cavidad peritoneal, causada por una
amplia variedad de afecciones, la más común es la cirrosis hepática. En estos
pacientes, la aparición de ascitis es consecuencia de vasodilatación esplácnica,
disminución en el volumen circulante efectivo y activación del sistema nervioso
simpático y el sistema renina angiotensina-aldosterona, además de un proceso
inflamatorio sistémico. El abordaje diagnóstico incluye, además de datos clínicos
sugerentes de ascitis y de sus causas específicas, estudios de imagen (el ultrasonido
abdominal es el método inicial de elección, que puede complementarse con tomografía
computada o estudios de imagen por resonancia magnética) y de laboratorio,
como el gradiente de albúmina sérica-ascítica (que permite la distinción entre
causas relacionadas con hipertensión portal versus oncológicas, infecciosas y otras
inflamatorias, síndrome nefrótico, etc.), tinciones, cultivos y citología, entre otros.
Algunos biomarcadores moleculares están en investigación. El manejo es diverso
y depende de la causa específica.
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