Affiliation:
1. Division of Maternal‐Fetal Medicine, Department of Obstetrics and Gynecology University of Arizona College of Medicine 1501 North Campbell Avenue Tucson Arizona USA
2. School of Animal and Comparative Biomedical Sciences University of Arizona Tucson Arizona USA
3. Department of Woman, Child and General and Specialized Surgery University of Campania "Luigi Vanvitelli" Naples Italy
Abstract
AbstractBackgroundProtein neutrophil gelatinase–associated lipocalin (NGAL) has been associated with kidney injury and inflammatory conditions. In particular, several studies have found an association between maternal blood and urine levels and the development of pre‐eclampsia.ObjectivesTo examine whether maternal blood and urine levels of NGAL are good predictors of pre‐eclampsia.Search strategyThe authors searched MEDLINE databases via PubMed, Embase, Scopus, Scielo, Google Scholar, PROSPERO International Prospective Register of Systematic Reviews, and the Cochrane Central Register of Controlled Trials.Selection criteriaThe authors included case–control observational clinical studies comparing protein levels of NGAL in serum and urine in women with pre‐eclampsia with uncomplicated pregnancies. Only studies where the collection of blood or urine was peformed before the occurrence of pre‐eclampsia were selected.Data collection and analysisThe primary outcome was the difference in NGAL levels in blood or urine between women with and without pre‐eclampsia.ResultsSeven studies in total were included: five studies measuring NGAL in blood and two in urine. Regarding the serum studies, 315 patients were included as cases and 540 as controls. Higher NGAL in maternal blood during all three trimesters together was associated with pre‐eclampsia; the standardized mean difference was 1.15 ng/mL (95% confidence interval, 0.92–1.39; P < 0.01). Regarding the urine studies, 39 patients were included as cases and 220 as controls. There was no statistically significant difference between patients with pre‐eclampsia and controls regarding urine NGAL.ConclusionsNGAL in maternal blood is higher in patients who later develop pre‐eclampsia compared with controls and could be used as a potential predicting test in the routine clinical setting.
Subject
Obstetrics and Gynecology,General Medicine
Cited by
1 articles.
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