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Prediction of maternal and fetal complications in preeclampsia
1Department of Obstetrics and Gynecology, Huddinge University Hospital, Karolinska Institute, Sweden.
Insights
Preeclampsia complications can be predicted by specific factors. Diastolic blood pressure predicts maternal complications, while prepregnancy weight and gestational age predict fetal growth restriction. Gestational age at delivery predicts NICU admission.
Area of Science:
- Obstetrics
- Perinatology
- Maternal-Fetal Medicine
Background:
- Preeclampsia presents significant risks for maternal and fetal health.
- Identifying predictors for complications is crucial for improved patient management.
Purpose of the Study:
- To identify factors that predict maternal or fetal complications in preeclampsia patients.
- To guide clinical surveillance and intervention strategies.
Main Methods:
- Logistic regression analysis of 111 preeclampsia patients.
- Endpoint variables included maternal complications (eclampsia, HELLP syndrome, oliguria, placental abruption) and fetal complications (SGA, low umbilical artery pH, NICU admission).
- Independent variables included maternal age, parity, gestational age, renal function, platelet count, liver enzymes, and blood pressure.
Main Results:
- Maternal complications were predicted by diastolic blood pressure (OR 1.13).
- Small for gestational age (SGA) infants were associated with maternal prepregnancy weight (OR 0.94) and gestational age at preeclampsia onset (OR 0.97).
- Neonatal Intensive Care Unit (NICU) admittance was predicted by gestational age at delivery (OR 0.80). No predictors found for low umbilical artery pH.
Conclusions:
- Specific clinical parameters effectively predict preeclampsia-related maternal and fetal complications.
- Routine serial blood and urine sampling may not be the most effective surveillance method for preeclampsia.
Introduction:
Preeclampsia is associated with an increased risk for maternal and fetal morbidity. The aim of this study was to identify factors predicting for maternal or fetal complications.
Material And Methods:
One hundred and eleven patients with preeclampsia were included. Endpoint variables were maternal and fetal complications. Any of the diagnosis eclampsia, hemolysis elevated liver low platelet (HELLP) syndrome, oliguria or placental abruption was considered a maternal complication. Fetal complications were: small for gestational age (SGA) infant, umbilical artery pH<7.10 and admittance of the infant to a neonatal intensive care unit (NICU). Independent variables were maternal age, parity, gestational age, renal function, platelet count, liver enzymes and blood pressure. Logistic regression analysis was used for statistical evaluation.
Results:
The following independent significant predictors were identified: Maternal complication (n=10) was predicted only by diastolic blood pressure; odds ratio (OR) 1.13 (95% confidence interval 1.01-1.25). SGA (n=21) was associated with maternal prepregnancy weight, OR 0.94 (0.89-0.99) and gestational age at debut of preeclampsia, OR 0.97 (0.94-0.99). NICU admittance (n=31) was only predicted by gestational age at delivery, OR 0.80 (0.67-0.96). No association was found between any of the independent variables and a low umbilical artery pH (n= 10).
Conclusions:
In the surveillance of patients with established preeclampsia, the value of serial blood and urine sampling, which is common practice in many obstetrical units, might be questioned.