Isolated proteinuria is a risk factor for pre-eclampsia: A retrospective analysis of the maternal and neonatal outcomes in women presenting with isolated gestational proteinuria

S. Shinar*, J. Asher-Landsberg, A. Schwartz, M. Ram-Weiner, M. J. Kupferminc, A. Many

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective:To examine maternal and neonatal outcomes of isolated proteinuria and define maternal characteristics for progression to pre-eclampsia.Study Design:Retrospective cohort study. Data from all hospitalized pregnant women between 2009 and 2014 with new onset isolated proteinuria of over 300 mg/24 h at admission were obtained. Follow-up was performed from the time of admission to the hospital to the time of discharge postpartum. Obstetrical, maternal and neonatal outcomes were obtained.Result:Ninety-five pregnant women diagnosed with new onset isolated proteinuria were followed to term. Thirteen women developed pre-eclampsia during pregnancy and eight developed pre-eclampsia postpartum. Maternal characteristics for progression to pre-eclampsia were greater maximal values of proteinuria. Earlier pre-eclampsia onset was associated with early-onset proteinuria and multiple gestation. Although greater values of proteinuria were associated with increased risk for intrauterine growth restriction and lower Apgar scores, maternal outcome was favorable, regardless of pre-eclampsia progression. Isolated proteinuria progressing to pre-eclampsia was associated with late pre-eclampsia onset and favorable maternal and neonatal outcomes.Conclusion:A significant proportion of women with new onset isolated proteinuria will develop pre-eclampsia. In these women, close follow-up is recommended until after delivery.

Original languageEnglish
Pages (from-to)25-29
Number of pages5
JournalJournal of Perinatology
Volume36
Issue number1
DOIs
StatePublished - 1 Jan 2016

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