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Normalización de Patrones de Pujo Disinérgico en Posición Sentada Predice Pruebas de Expulsión de Balón Normales en
Catherine Y Wang1, Logan McLennan2, Ritam H Patel2
1Division of Gastroenterology and Hepatology, Northwestern Medicine.
The American journal of gastroenterology
|February 12, 2026
Resumen
La evaluación de los trastornos de la defecación mediante manometría anorrectal (MA) en posición sentada puede mejorar la precisión diagnóstica. Este método mostró una mayor probabilidad de éxito y rapidez en la prueba de evacuación intestinal (PEI).
Área de la Ciencia:
- Gastroenterología; Fisiología; Medicina Diagnóstica
Sus antecedentes:
- La manometría anorrectal (MA) se realiza típicamente en posición de decúbito lateral izquierdo (DLI) para evaluar la defecación.; La posición sentada puede ofrecer una evaluación más funcional y precisa de la dinámica de la defecación.
Objetivo del estudio:
- Comparar la utilidad diagnóstica de la MA en posición sentada frente a la posición de decúbito lateral izquierdo (DLI) para los trastornos de la defecación.; Determinar si la posición sentada mejora la predicción de éxito de la prueba de evacuación intestinal (PEI).
Principales métodos:
- Se evaluaron 384 pacientes adultos sometidos a MA para detectar disinergia en ambas posiciones, DLI y sentada.; Se utilizó análisis de regresión logística para evaluar la asociación entre la posición de la prueba y los resultados de la PEI.
Principales resultados:
- Se observó una normalización significativa de los patrones disinérgicos en la posición sentada (3,9% de los pacientes).; Los pacientes evaluados en posición sentada tuvieron una probabilidad sustancialmente mayor de PEI exitosa (OR 30,31, p<0,0001).
Conclusiones:
- La posición sentada para la MA puede ser un predictor más fiable de éxito de la PEI.; La incorporación de una evaluación en posición sentada durante la MA podría mejorar la precisión diagnóstica para pacientes con trastornos de la defecación.
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