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Use of Virtual Touch Tissue Quantification Elastography Technique in Fetal Lung Maturation: A Preliminary Study
Harun Arslan1, Gökçe Naz Küçükbaş2, Saim Türkoğlu3
1Departments of Radiology.
Ultrasound Quarterly
|April 24, 2023
Summary
Fetal lung stiffness increases significantly in the third trimester, indicating maturation. Virtual Touch Tissue Quantification (VTTQ) elastography offers a non-invasive method to assess this developmental change in fetuses.
Area of Science:
- Obstetrics and Gynecology
- Medical Imaging
- Fetal Development
Background:
- Fetal lung maturation is crucial for neonatal respiratory outcomes.
- Non-invasive methods for assessing fetal lung development are needed.
Purpose of the Study:
- To analyze fetal lung stiffness using Virtual Touch Tissue Quantification (VTTQ) elastography.
- To predict fetal lung maturation non-invasively during the third trimester.
Main Methods:
- Fetal lung elastography performed at 28-31, 32-36, and 37-41 weeks gestation.
- Measurements taken in regions with minimal acoustic shadow, away from ribs and heart.
- Mean lung stiffness calculated from both left and right fetal lungs.
Main Results:
- No significant difference in fetal lung stiffness between sexes.
- Significant differences in fetal lung stiffness across the three gestational periods (P < 0.01).
- Lung stiffness significantly increased from 37-41 weeks compared to earlier periods (P < 0.01).
Conclusions:
- VTTQ elastography can detect changes in fetal lung stiffness correlating with gestational age.
- This technique shows potential as a non-invasive tool for assessing fetal lung maturation.
