Advanced biomedical research · 2022
Predictive Value of Middle Cerebral Artery to Umbilical Artery Pulsatility Index Ratio for Neonatal Outcomes in Hypertensive Disorders of Pregnancy.
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Zarean Elahe, Azami Nahal, Shahshahan Zahra
Аннотация
BACKGROUND: Hypertension may lead to notifying adverse perinatal events that should be diagnosed and managed precisely. This study aims to investigate the values of cerebroplacental ration for the prediction of adverse perinatal events in hypertensive disorders of pregnancy.
MATERIALS AND METHODS: The current descriptive-comparative study has been conducted on 100 singleton pregnant women with the diagnosis of preeclampsia or pregnancy-induced hypertension. The Cerebroplacental ratio (CPR) was measured for the included population and divided into normal and abnormal ranges of >1 and ≤1. The adverse perinatal outcomes, including abnormal 5 min APGAR, low birth weight, perinatal death, neonatal intensive care unit (NICU) admission, academia, seizure, emergency cesarean delivery, and Tchirikov index as the general manifestation of adverse perinatal outcomes were compared between the groups. The specificity, sensitivity, positive predictive value, negative predictive value (NPV), and accuracy were measured for the adverse perinatal outcomes.
RESULTS: The two groups were remarkably different in terms of 5 min APGAR, low birth weight, cesarean section delivery, and Tchirikov index (P < 0.05). The specificity of CPR for prediction of small-for-gestational age, poor APGAR, requirement of assisted respiration, academia, Tchirikov score and NICU admission was 93.1%, 93.1%, 67.1%, 91.8%, 71.2%, and 63%, and its sensitivity was 26%, 14.8%, 51.8%, 14.8%, 51.8%, and 37%, respectively.
CONCLUSION: CPR seems to be an appropriate means for the prediction of adverse perinatal outcomes with diversity in the prediction values of different determinants of adverse perinatal outcomes; however, in general, it had sensitivity, specificity, PP, NPV, and accuracy of 51.8%, 71.2%, 40%, 80%, and 66%, respectively.
MATERIALS AND METHODS: The current descriptive-comparative study has been conducted on 100 singleton pregnant women with the diagnosis of preeclampsia or pregnancy-induced hypertension. The Cerebroplacental ratio (CPR) was measured for the included population and divided into normal and abnormal ranges of >1 and ≤1. The adverse perinatal outcomes, including abnormal 5 min APGAR, low birth weight, perinatal death, neonatal intensive care unit (NICU) admission, academia, seizure, emergency cesarean delivery, and Tchirikov index as the general manifestation of adverse perinatal outcomes were compared between the groups. The specificity, sensitivity, positive predictive value, negative predictive value (NPV), and accuracy were measured for the adverse perinatal outcomes.
RESULTS: The two groups were remarkably different in terms of 5 min APGAR, low birth weight, cesarean section delivery, and Tchirikov index (P < 0.05). The specificity of CPR for prediction of small-for-gestational age, poor APGAR, requirement of assisted respiration, academia, Tchirikov score and NICU admission was 93.1%, 93.1%, 67.1%, 91.8%, 71.2%, and 63%, and its sensitivity was 26%, 14.8%, 51.8%, 14.8%, 51.8%, and 37%, respectively.
CONCLUSION: CPR seems to be an appropriate means for the prediction of adverse perinatal outcomes with diversity in the prediction values of different determinants of adverse perinatal outcomes; however, in general, it had sensitivity, specificity, PP, NPV, and accuracy of 51.8%, 71.2%, 40%, 80%, and 66%, respectively.