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Ginecología y obstetricia de México

versión impresa ISSN 0300-9041

Resumen

OVIEDO-CRUZ, Héctor et al. Validation of the Fetal Medicine Foundation calculator for pre-eclampsia screening test adapted to a Mexican population. Ginecol. obstet. Méx. [online]. 2021, vol.89, n.10, pp.779-789.  Epub 04-Abr-2022. ISSN 0300-9041.  https://doi.org/10.24245/gom.v89i10.5807.

OBJECTIVE:

To validate the performance of the Fetal Medicine Foundation 4.0 calculator adapted to the Mexican population.

MATERIALS AND METHODS:

Cohort study performed in singleton pregnancies, according to the competing risk model for preeclampsia in a fetal medicine center in Mexico City. The a priori risk was calculated according to the clinical history. Mean arterial pressure, mean uterine artery pulsatility index and pregnancy-associated plasma protein A were measured at 11 to 14 weeks of gestation with standardized methodology. The value of each marker was transformed into multiples of the median adapted to the local population. Multivariate normal distribution and Bayes' theorem were applied to obtain individual posttest probabilities, which were used as classifiers for the area under the receiver-operator characteristic curve.

RESULTS:

The incidence of preeclampsia was 5.0% (54/1078). The area under the receiver-operator characteristic curve was 0.784 (0.712; 0.856) for preeclampsia at less than 37 weeks and 0.807 (0.762; 0.852) for global preeclampsia.

CONCLUSIONS:

The FMF 4.0 calculator adapted to Mexican population proved valid. Although it had lower performance than expected for preeclampsia at less than 37 weeks, the performance for global preeclampsia was satisfactory. The development of the local calculator is justified.

Palabras llave : Fetal Medicine Foundation; Pregnancy-Associated Plasma Protein A; Uterine artery; Pre-Eclampsia; Normal distribution; Cohort studies; Incidence; Arterial pressure; Perinatology; Mexico.

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