sFlt-1:PlGF Ratio in Gestational Diabetes: PREDICTION (PREeclampsia in DIabetiC gestaTION) Study

Summary

Participation Requirements

Description

Single center, observational, prospective study designed to validate a cutoff point of the sFlt-1:PlGF ratio for the prediction of the short-term absence or presence of preeclampsia in pregnancy complicated by gestational diabetes (GDM). GDM women will be recruited at diabetes screening time (16-18 ...

Single center, observational, prospective study designed to validate a cutoff point of the sFlt-1:PlGF ratio for the prediction of the short-term absence or presence of preeclampsia in pregnancy complicated by gestational diabetes (GDM). GDM women will be recruited at diabetes screening time (16-18 or 24-27 gestational weeks), performed according with the Italian National Guidelines by 75g - 2 hour Oral Glucose Tolerance Test. GDM will be defined according with International Association of Diabetes and Pregnancy Study Groups/World Health Organization 2013 criteria. A standardized medical history will be obtained in all the women at the time of their first visit, collecting data about maternal age, parity, last menstruation, pre-gestational weight, history of GDM, hypertension and macrosomia in previous pregnancies, family history of diabetes mellitus, education and employment. Moreover, during their visit, the women's weights were taken and their blood pressure measured. Blood samples for assessments of sFlt-1:PlGF ratio will be collected at visit 1 (baseline visit) and every 30±7 days after the previous visit until 36 gestational week (for a maximum of 4 determinations). At baseline and at each follow-up visits update of medical history, clinical assessments, laboratory testing and pregnancy evolution will be evaluated. During pregnancy all women will be receive standard diabetes and obstetric care, according with national guidelines. Diagnostic criteria for preeclampsia will be a new onset of both hypertension (systolic blood pressure ?140 mmHg, diastolic blood pressure ?90 mmHg, or both) and proteinuria (2+ protein or greater on dipstick urinalysis, ?300 mg of protein per 24-hour urine collection, ?30 mg /dl of protein in a spot urine sample, or a ratio of protein to creatinine of ?30 mg/mmol) after 20 weeks of gestation. Only cases that met these prespecified criteria will be included in the analyses. At delivery, data items on maternal body weight at the end of pregnancy, time and mode of delivery, newborn bodyweight, preeclampsia as well as other maternal and fetal outcomes will be collected. Placental histopathological alterations will be detected in women who delivery by planned Cesarian section.

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