4.7 Article

Neutrophil Gelatinase-Associated Lipocalin and Hypertensive Disorders of Pregnancy: A Cohort Study in Twin Pregnancies

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 11, Issue 14, Pages -

Publisher

MDPI
DOI: 10.3390/jcm11144163

Keywords

NGAL; multiple gestations; preeclampsia; hypertensive disorders of pregnancy

Funding

  1. Austrian National Bank (Jubilaumsfonds) [14372]

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This study evaluated NGAL values in twin pregnancies complicated by hypertensive disorders. The results showed that women who develop pregnancy hypertension or preeclampsia had significantly higher NGAL values compared to the control group at the first visit, and NGAL values increased throughout pregnancy.
Hypertensive disorders complicate more than 10% of twin pregnancies. Several studies showed increased neutrophil gelatinase-associated lipocalin (NGAL) values in women with singleton pregnancies and preeclampsia. This study aimed to assess NGAL values in twin pregnancies complicated by hypertensive disorders. We conducted a study of 242 consecutive twin pregnancies at the Medical University of Vienna. Serum NGAL was evaluated twice during pregnancy and once in the postpartum period. Furthermore, serum NGAL values were compared between women who developed hypertensive disorders and those who had normal blood pressure. In all twin pregnancies, mean NGAL values increased significantly from the first to the second visit (p = 0.004) and, further, after delivery (p < 0.001). NGAL was significantly higher in pregnancies that developed pregnancy hypertension or preeclampsia when compared to the control group at the first visit (109.2 +/- 48.9 ng/mL vs. 91.9 +/- 29.4 ng/mL, p = 0.04, respectively). The predictive power of first visit NGAL values for development of pregnancy hypertension or preeclampsia was evaluated. When using a cut-off value of 115 ng/mL, we obtained a sensitivity of 45% with a specificity of 77%. We conclude that women with twin pregnancies who develop hypertensive disorders of pregnancy showed increased NGAL values at 11-16 weeks.

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