Does betamethasone therapy impact fetal multivessel Doppler parameters?

Halis Özdemir; Kemal Hansu; Pınar Çalış; Deniz Karçaaltıncaba; Merih Bayram

doi:10.5114/pcard.2021.109175

eISSN: 2449-6731
ISSN: 2449-6723

Prenatal Cardiology

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abstract:

Research letter

Does betamethasone therapy impact fetal multivessel Doppler parameters?

Halis Özdemir

¹

,

Kemal Hansu

¹

,

Pınar Çalış

¹

,

Deniz Karçaaltıncaba

¹

,

Merih Bayram

¹

Department of Obstetrics, Gynecology & Reproductive Sciences, Gazi University, School of Medicine, Ankara, Turkey

Prenat Cardio 2021; 11(1): 18–23

DOI: https://doi.org/10.5114/pcard.2021.109175

Online publish date: 2021/09/14

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Introduction
The objective of this study was to test the hypothesis that antenatal corticosteroid therapy alters fetal cardiopulmonary and uteroplacental blood flow in pregnancies.

Material and methods
Twenty-seven singleton pregnancies between 28 and 34 gestational weeks classified as at risk of preterm birth were included prospectively. We evaluated fetal main pulmonary artery (MPA), left and right pulmonary artery (PA), left myocardial performance index (Tei index), tricuspid valve (TV), umbilical artery (UmA), middle cerebral artery (MCA), and ductus venosus (DV) parameters before and 48 hours and 7 days after antenatal steroid administration.

Results
The mean age was 31 years, and the mean gestational age was 31 weeks. The UmA S/D (Systole/Diastole) ratio, PI (pulsatility index) and RI (resistive index) values, and Doppler parameters of other vessels were not different when comparing between before and after steroid administration. Except for MCA PSV (peak systolic velocity) values, the other MCA Doppler parameters (S/D, PI, RI) were all significantly decreased. The cerebroplacental ratio (CPR) and CPR percentile values decreased significantly. All tested cardiac parameters were unchanged, except MPA ejection time (ET) (p = 0.016).

Conclusions
Our data demonstrate altered fetal MCA and CPR with corticosteroid therapy. These data suggest that antenatal corticosteroid therapy has no impact on any Doppler parameters of fetal cardiopulmonary and uteroplacental blood flow in pregnancies.

keywords:

Does betamethasone therapy impact fetal multivessel Doppler parameters?

Halis Özdemir 1 , Kemal Hansu 1 , Pınar Çalış 1 , Deniz Karçaaltıncaba 1 , Merih Bayram 1

betamethasone, lung maturity, Doppler, antenatal corticosteroid

Halis Özdemir

¹

,

Kemal Hansu

¹

,

Pınar Çalış

¹

,

Deniz Karçaaltıncaba

¹

,

Merih Bayram

¹