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01.05.2015 | original article | Ausgabe 9-10/2015

Wiener Medizinische Wochenschrift 9-10/2015

Predictive accuracy of the first trimester Doppler scan: a meta-study

Zeitschrift:
Wiener Medizinische Wochenschrift > Ausgabe 9-10/2015
Autor:
MD, PhD Naira Roland Matevosyan

Summary

Aim

To determine sensitivity and cut-off indices of the uterine artery Doppler (UAD) in prediction of preeclampsia and fetal growth restriction (FGR).

Methods

Seventy-six studies published in 1995–2014, present 298,329 prenatal Doppler screenings performed in nullipara in the first and early second trimesters of singleton pregnancies. The sample is stratified into four groups based on the Doppler sensitivity and specificity indices pertaining to the major clinical endpoints of the cohort.

Results

The FGR diagnostic specificity (r = 0.728) and bilateral notching index (r = 0.803) correlations indicate that the UAD accuracy depends on the placental bed and the screening mode.

Conclusions

Predictive sensitivity of the UAD increases after 16 weeks + 3 days (115 days) of gestation. The best predictive parameter of preeclampsia and FGR is the placental side uterine artery resistance index which confers to the highest means when the placenta is on the midline (OR 0.9).

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