Perinatal outcome in gestational hypertension: Which role for developing preeclampsia. A population-based cohort study

Antonio Lanzone, Sara De Carolis, Sergio Ferrazzani, Carmelinda Martino, Silvia Salvi, Stefano Fruci, Serafina Garofalo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Objective: To analyze perinatal outcome in singleton pregnancies complicated by gestational hypertension (GH), to investigate the rate of women developing preeclampsia (PE) and to describe maternal features associated with progression to PE. Study design: This is a population-based retrospective cohort-study involving 514 singleton pregnancies with a diagnosis of GH at admission. Results: In pregnancies with GH, a poorer pregnancy outcome in comparison to healthy controls was observed in terms of gestational age at delivery, birthweight and birthweight percentile. The observed overall rate of developing PE was 11.7 %. Of all pregnancies with GH at admission, two different groups were identified based on the diagnosis at delivery: GHPE, i.e. women who developed PE (60/514; 11.7 %), and GHnoPE, i.e. women who did not develop PE (454/514; 88.3 %). In the GHPE group it was observed that the 62 % of the women with diagnosis of GH earlier than 28 weeks developed PE while only 2% developed PE if the diagnosis of GH was performed later than 36 weeks. The observed rate of developing PE was 14.7 % in pharmacologically treated hypertensive women, whereas the diagnosis of PE has been made in only 3% of non-treated women. Conclusion: Pregnant women with raised blood pressure are at risk of having a less favourable perinatal outcome. The risk is mainly associated with the progression to PE. Major determinants of the risk of developing PE are the earlier gestational age at diagnosis of GH, the necessity of treatment and the number of anti-hypertensive drugs needed for controlling blood pressure.
Lingua originaleEnglish
pagine (da-a)218-222
Numero di pagine5
RivistaEUROPEAN JOURNAL OF OBSTETRICS, GYNECOLOGY, AND REPRODUCTIVE BIOLOGY
Volume251
DOI
Stato di pubblicazionePubblicato - 2020

Keywords

  • Fetal growth
  • Gestational hypertension
  • Perinatal outcome
  • Preeclampsia
  • Proteinuria

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