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Published on: October 25, 2015
[Antenatal fetal surveillance]
Roseli Mieko Yamamoto Nomura1, Seizo Miyadahira, Marcelo Zugaib
1Departamento de Obstetrícia e Ginecologia, Faculdade de Medicina, Universidade de São Paulo - USP - São Paulo, SP, Brasil. roseli.nomura@terra.com.br
Insights
Prenatal evaluation identifies high-risk fetuses using biophysical profiles and Doppler velocimetry. Joint analysis of these methods improves understanding of fetal response to hypoxia and enhances perinatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Perinatology
Background:
- Modern medical practice requires obstetricians and gynecologists to stay updated on scientific and technological advancements.
- Prenatal evaluation is crucial for identifying fetuses at risk of adverse outcomes, enabling preventive measures.
Purpose of the Study:
- To highlight the importance of comprehensive prenatal evaluation in identifying at-risk fetuses.
- To discuss the utility of fetal biophysical profile and Doppler velocimetry in managing high-risk pregnancies.
Main Methods:
- Determination of fetal biophysical profile within the clinical context.
- Application of Doppler velocimetry of the umbilical artery in high-risk gestations.
- Utilizing Doppler velocimetry of the venous duct for fetal growth restriction before 34 weeks gestation.
Main Results:
- Doppler velocimetry of the umbilical artery aids in improving perinatal outcomes in high-risk pregnancies.
- Doppler velocimetry of the venous duct is valuable for managing fetal growth restriction due to severe placental insufficiency.
- No single test is definitive; combined analysis of methods offers better insight into fetal vitality.
Conclusions:
- Integrated assessment of prenatal diagnostic tools is essential for optimal fetal well-being.
- Effective management of high-risk pregnancies relies on understanding fetal response to hypoxia through various evaluation methods.
- Continuous advancements in technology and scientific understanding enhance the capabilities of obstetric and gynecologic care.
Abstract:
The present context of medical practice demands from the obstetrician and gynecologist broad understanding of the scientific and technological advances of the area. The main purpose of prenatal evaluation is to identify fetuses at risk for adverse events or death, for preventive action to avoid mishappenings. The determination of fetal biophysical profile reaches its maximum efficiency when applied within the clinical context of each case. In high risk gestations, the Doppler velocimetry of the umbilical artery has shown to be useful to improve perinatal outcome. In the fetal growth deficit, due to severe placentary insufficiency, Doppler velocimetry of the venous duct has been showing to be an important tool in handling of the cases before the 34th week of gestation. Although no test itself is considered the best to evaluate the fetus's prenatal vitality, the joint analysis of all methods may lead to a better understanding of the fetal response to hypoxia.
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