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Nikolov, Asparuh G.; Popovski, Nikola K.; Blazheva, Svetla
Folia Medica, 12/2022, Letnik: 64, Številka: 6Journal Article
Introduction : Podocalyxin (PCX) is an indicator of glomerular injury. Aside from the kidney, it is expressed in the endothelial cells of various organs. Echographic examinations are useful in assessing the alterations in cardiovascular structure and function during pregnancy. Aim : The aim of the present study was to evaluate PCX concentrations in preeclampsia (PE) and to investigate the existence of association between PCX levels and maternal echocardiographic and Doppler ultrasound parameters. Materials and methods : Fifty-five women with PE were examined. The mean age of patients was 24.9±6 years; and the mean age of the control group of 35 women with normal pregnancies was 24.7±5.4 years. ELISA was used to determine concentrations of PCX. Echocardiographic assessment of all subjects was performed. In addition, umbilical (UmA) and uterine (UtA) artery pulsatility indices (PI) were evaluated. Results : The levels of serum PCX in PE women were statistically significantly higher than those in women with normal pregnancy: 2.66±0.67 vs. 2.40±0.33 ng/ml ( p =0.03). Cut-off value at 3 ng/ml was obtained for podocalyxin in order to discriminate between PE and healthy pregnancy. Logistic regression model was statistically significant: OR=3.226, (95% CI 1.084–9.599); ( p =0.019). PCX correlated with systolic blood pressure ( r =0.30; p =0.004), diastolic blood pressure ( r =0.35; p =0.0007), UtA PI ( r =0.30; p =0.004), UmA PI ( r =0.21; p =0.047), IVS ( r =0.32; p =0.002), and LVPWD ( r =0.28; p =0.007). Conclusions : Healthy pregnant women with PCX levels above the cut-off value of 3 ng/ml are at a higher risk for developing preeclampsia. Elevated PCX levels indicate three times higher probability for PE development than women with values below the cut-off value. PCX might be a promising marker for diagnosis and prognosis of PE.
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