Characterization of Pathological Doppler as a Preeclampsia Predictor
Keywords:
Doppler flowmetry, pathological, preeclampsia, morbility, maternal mortality.Abstract
Introduction: Doppler ultrasound is a very useful tool for measuring uterine artery flow in the first and second quarters of pregnancy.
Objective: The relationship between pathological Doppler flowmetry and the prediction of preeclampsia.
Methods: A prospective, observational and analytical cohort study was performed. From 113 pregnant women with pathological Doppler in the first quarters and follow-up, a sample of 65 was selected, corresponding to all healthy pregnant women who completed their delivery and puerperium. Variables such as age, gestation time, fetal weight, type or route of delivery, as well as validity as a predictor of preeclampsia, were analyzed. The data were processed for analysis using descriptive statistics. Qualitative variables were summarized according to absolute and relative percentage frequencies, while mean age and its standard deviation were calculated.
Results: The relationship between pathologic Doppler and preeclampsia was 15.3 %. It was more related to Doppler at 24 weeks and uterine artery Doppler. Ages 20-34 years predominated. The mean age (27.2 years) coincided with a higher percentage of preeclampsia. The 9.2 % with preeclampsia required cesarean section. There was a predominance of term pregnancies and newborns weighing more than 2500 grams. The most associated morbidity was anemia, followed by delayed uterine growth.
Conclusions: The use of Doppler in this research did not demonstrate its predictive value in the screening for preeclampsia.
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