Utilidad del volumen cervical o longitud cervical en la predicción de parto pretérmino inminente en pacientes sintomáticas

Usefulness of cervical volume with cervical length in predicting imminent preterm delivery in symptomatic patients.

Introducción: el volumen cervical es un indicador del proceso de remodelación del cuello uterino. Investigaciones previas han señalado que puede superar la precisión pronóstica de la longitud cervical en la predicción del parto pretérmino. Objetivo: establecer la utilidad del volumen cervical comparado con la longitud en la predicción de parto pretérmino inminente en pacientes sintomáticas. Materiales y métodos: estudio prospectivo realizado de junio 2014 a mayo 2020 en pacientes con diagnóstico de amenaza de parto pretérmino. A todas se les realizo la cuantificación del volumen y longitud cervical por ecografía transvaginal en la hora siguiente a la admisión. Fueron clasificados en aquellas con partos antes de 7 días (grupo A) y con más de 7 días (grupo B). Resultados: para el análisis final se incluyeron 326 pacientes, 152 (31,7%) pertenecieron al grupo A y 251 al B. Las primeras presentaron valores menores de volumen cervical y longitud cervical comparadas con las del grupo B (p < 0,0001). El volumen mostró un valor de área de 0,897 comparado con 0,977 de la longitud cervical para la predicción de parto pretérmino inminente (p < 0,0001). Conclusión: el volumen cervical es menos útil que la longitud en la predicción de parto pretérmino inminente en pacientes sintomáticas.

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