Intestino irritable: una enfermedad orgánica en 2026

Autores/as

DOI:

https://doi.org/10.47892/rgp.2026.462.2262

Palabras clave:

Síndrome del Intestino Irritable, Eje Cerebro-Intestino, Microbioma Gastrointestinal, Motilidad Gastrointestinal, Función de la Barrera Intestinal

Resumen

El síndrome del intestino irritable (SII) es un desorden de la interacción del eje intestino-cerebro caracterizado por dolor abdominal y alteración en la forma y/o frecuencia de las deposiciones. El concepto previo de este síndrome como un “trastorno funcional” ha sido a menudo interpretado erróneamente como “lo contrario a orgánico” o “netamente psicológico”, estigmatizándolo e incluso deslegitimándolo. La evidencia soporta que, por el contrario, este síndrome tiene una base orgánica subyacente mediada por la compleja interacción de múltiples alteraciones fisiopatológicas medibles y cuantificables. Entre estas alteraciones destacan la predisposición genética, alteraciones de la microbiota intestinal, hipersensibilidad visceral, anormalidades en el procesamiento central del dolor, anormalidades en la motilidad gastrointestinal, alteraciones en la función de barrera intestinal e influencias ambientales. En conjunto, todos estos elementos se integran a través del modelo del eje intestino-cerebro, en el cual forman múltiples bucles de retroalimentación positiva que inician, exacerban y perpetúan las manifestaciones del SII. En esta revisión discutimos a profundidad las alteraciones fisiopatológicas subyacentes al SII para recordar y concientizar al personal de salud sobre la naturaleza orgánica de este síndrome. Además, resumimos a la luz de estas alteraciones los abordajes terapéuticos modernos y sus limitaciones.

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26.06.2026

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1.
Urrego JA, Marulanda H, Frías JS, Cedrón H, Espinoza-Ríos J, Otero L, Otero W. Intestino irritable: una enfermedad orgánica en 2026. Rev Gastroenterol Peru [nternet]. 26 de junio de 2026 [citado 26 de junio de 2026];46(2):159-74. isponible en: https://revistagastroperu.com/index.php/rgp/article/view/2262

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