Información del artículo
Resumen
Objetivo
Estudiar el papel del Doppler de las arterias uterinas como método de cribado para la predicción de preeclampsia.
Material y métodosMaterial y métodos: Estudio prospectivo a 320 gestantes no seleccionadas en la semana 20, se utiliza el índice de resistencia medio de ambas arterias uterinas a diferentes niveles de corte para la predicción de preeclampsia.
ResultadosLa prevalencia de preeclampsia fue de 3,44%. Según el percentil de corte aplicado: P-75, P-90, P-95, se obtiene una población con cribado positivo del 27,81, 11,5 y 5,95%, respectivamente, con sensibilidades del 72,7, 54,5 y 45,45%.
ConclusionesEl Doppler de arterias uterinas a la semana 20 es una herramienta útil, aunque las posibilidades de actuación sean escasas en la población seleccionada.
Palabras clave:
Doppler de arterias uterinas
Indice resistencia
Preeclampsia
Abstract
Objective
To study the role of uterine artery doppler as a screening method for the prediction of pre-eclampsia.
Material and methodsA prospective study is made in 320 unselected pregnant women at 20 weeks of gestation. The mean resistance index is used in several cut-off levels in both uterine arteries to predict Pre-eclampsia.
ResultsPre-eclampsia prevalence was 3.44%. According to cut- off level used P-75, P-90, P-95 a screening positive population of 27.81%, 11.5%, and 5.95% respectively, is obtained with sensitivities of 72.7%, 54.5%, and 45.45%.
ConclusionsUterine artery doppler at 20 weeks is a useful tool, althoug the possibilities of management are limited in a selected population.
Key words:
Uterine artery Doppler
Resistance index
Preeclampsia
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