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Published on: June 29, 2013
Intrauterine growth restriction: diagnosis and management. A review
1Department of Obstetrics and Gynecology, Tor Vergata University, Rome, Italy. giuseppe.rizzo@uniroma2.it
Insights
Intrauterine growth restriction (IUGR) impacts fetal development and increases risks. Understanding fetal hemodynamics in IUGR aids in monitoring and timely delivery decisions.
Area of Science:
- Perinatal Medicine
- Fetal Physiology
- Obstetrics
Background:
- Intrauterine growth restriction (IUGR) is a significant clinical concern, failing to meet genetic growth potential.
- IUGR is linked to increased perinatal mortality, morbidity, and long-term health risks.
- Clinical suspicion arises from abnormal ultrasonographic fetal size, symmetry, or weight.
Purpose of the Study:
- To review current knowledge on fetal hemodynamics in IUGR pregnancies.
- To explore the relationship between fetal hemodynamic changes and IUGR severity.
- To inform targeted monitoring and delivery timing for IUGR fetuses.
Main Methods:
- Review of current literature on fetal hemodynamics in IUGR.
- Analysis of Doppler studies for differentiating IUGR causes (placental dysfunction vs. aneuploidy, genetic syndromes, infections).
- Correlation of hemodynamic changes with disease severity.
Main Results:
- Fetal hemodynamic alterations are characteristic of IUGR.
- Doppler studies are crucial for differentiating IUGR etiologies.
- Hemodynamic patterns correlate with the severity of placental dysfunction in IUGR.
Conclusions:
- Understanding fetal hemodynamics is key to managing IUGR.
- Targeted monitoring intervals can be established based on hemodynamic assessment.
- Optimizing delivery timing balances fetal and neonatal risks in IUGR pregnancies.
Abstract:
Intrauterine growth restriction (IUGR) is the failure to achieve the genetically predetermined growth potential and may be caused by maternal, fetal, placental, and external factors. IUGR is associated not only with a marked increased risk in perinatal mortality and morbidity but also with long-term outcome risks. IUGR is clinically suspected when ultrasonographic estimates of fetal size, simmetry or weight result abnormal. Exclusion of structural and/or chromosomal anomalies and Doppler studies of maternal and fetal circulations is the most effective method to differentiate IUGR fetuses secondary to placental dysfunction from those secondary to aneuploidy, genetic syndromes, and intrauterine infections. This review summarizes the current knowledge about fetal hemodynamics in IUGR pregnancies and its relationship with the severity of the disease. A better understanding of fetal hemodynamic changes occurring in IUGR will likely lead to targeted monitoring intervals in such fetuses leading to an appropriate timing of delivery only when fetal risks exceed neonatal risks.
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