3 years ago

Use of first-trimester placenta growth factor concentration to predict hypertensive disorders of pregnancy in a low-risk Asian population

Karuna Sharma, Jayashree Bhattacharjee, Shalini Singh, Manisha Kumar, Abha Singh, Ritu Singh
Objective To determine the value of placenta growth factor (PlGF) for predicting hypertensive disorders of pregnancy (HDP) in a low-risk population when used either alone or in combination with other markers. Methods A prospective observational cohort study was conducted among women with singleton pregnancy in the first trimester in New Delhi, India, between October 1, 2013, and September 30, 2016. First-trimester measures included maternal history, body mass index (BMI), mean arterial pressure (MAP), Doppler uterine artery pulsatility index, and serum levels of biomarkers (including PlGF). Results Among 1725 women, 208 (12.1%) developed HDP; 74 (35.6%) of these cases were early onset. Mean PlGF levels were significantly lower among cases than among controls (30.42 ± 10.22 vs 37.31 ± 13.28 pg/mL; P<0.001). As a biomarker for prediction of HDP, PlGF fared better than pregnancy-associated plasma protein A (PAPP-A): area under the curve 0.685 (95% confidence interval [CI] 0.620–0.750; P<0.001) versus 0.659 (95% CI 0.593–0.726; P<0.001). The highest odds ratio was found for MAP (8.369, 95% CI 5.752–12.215). The combination of PlGF, PAPP-A, BMI, MAP, and Doppler uterine artery pulsatility index provided an area under the receiver operating characteristic curve of 0.876 (95% CI 0.833–0.919; P<0.001). Conclusion Combining PlGF concentration with biochemical and biophysical markers provided a good screening test for HDP during the first trimester.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/ijgo.12301

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