Abstract
Objective: To evaluate the serum neutrophil gelatinase-associated lipocalin levels in pregnant women with and without preeclampsia, early-onset preeclampsia and late-onset preeclampsia, preeclampsia with and without severe features, and investigate the correlation with the neonatal outcomes.Study Design: A total of 79 pregnant women, 27 with uncomplicated pregnancies, 30 with early-onset preeclampsia, and 22 with late-onset preeclampsia were evaluated in a cross-sectional study. Neutrophil gelatinase-associated lipocalin was measured with a colorimetric Sandwich-ELISA method. Age; body mass index; systolic and diastolic blood pressure; umbilical-artery Doppler results; serum urea, bilirubin, uric acid, AST, ALT; 24-hour protein test; birth-weight; and Apgar-scores were recorded.Results: Serum neutrophil gelatinase-associated lipocalin levels were significantly higher in women with preeclampsia compared to those without preeclampsia (p<0.001); in women with early-onset preeclampsia compared to those with late-onset preeclampsia (p<0.001); and in women with late-onset preeclampsia compared to those without preeclampsia (p=0.028). Mean serum neutrophil gelatinase-associated lipocalin levels were comparable in women with preeclampsia with and without severe features (p=0.076). The correlation analysis showed that neutrophil gelatinase-associated lipocalin was not affected by age or body mass index. Neutrophil gelatinase-associated lipocalin had a positive correlation with systolic and diastolic blood pressure and the umbilical-artery PI and RI. Serum neutrophil gelatinase-associated lipocalin had a positive correlation with serum urea (r=0.416, p=0.031) however had no significant correlation with birth-weight, Apgar-scores, uric acid and amount of proteinuria in women with preeclampsia.Conclusion: Serum neutrophil gelatinase-associated lipocalin levels were significantly higher in women with preeclampsia compared to those without preeclampsia; in women with early-onset preeclampsia compared to those with late-onset preeclampsia, and in women with late-onset preeclampsia compared to women without preeclampsia. Mean serum neutrophil gelatinase-associated lipocalin levels were comparable in women with preeclampsia with and without severe features.
Highlights
Preeclampsia is classically defined as hypertension and proteinuria usually developing after 20th gestational week
Serum neutrophil gelatinase-associated lipocalin levels were significantly higher in women with preeclampsia compared to those without preeclampsia; in women with early-onset preeclampsia compared to those with late-onset preeclampsia, and in women with late-onset preeclampsia compared to women without preeclampsia
Similar to the results of D’Anna et al (13), we have found that the serum Neutrophil gelatinase-associated lipocalin (NGAL) level was higher in women with preeclampsia compared to the control group, we detected a significant difference between the EOPE and late-onset preeclampsia (LOPE) groups
Summary
Preeclampsia is classically defined as hypertension and proteinuria usually developing after 20th gestational week. New definitions include maternal organ dysfunction, such as renal insufficiency, liver involvement, neurological or hematological complications (1). 6 - 8% of all pregnancies are complicated with preeclampsia (2). Considering the pathogenesis and maternal and fetal complications related to preeclampsia, it is further classified as early-onset preeclampsia (EOPE) and late-onset preeclampsia (LOPE) with the onset of preeclampsia taking place
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