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Quantification of cervical elastography: a reproducibility study.

F S Molina¹, L F Gómez, J Florido

¹Maternal-Fetal Medicine Unit, Department of Obstetrics and Gynaecology, San Cecilio University Hospital (HUSC), Granada, Spain. fsoniamolina@gmail.com

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology

|December 17, 2011

Summary

This summary is machine-generated.

This study shows that cervical elastography can be numerically quantified during pregnancy with good repeatability. However, measurements may reflect applied force rather than cervical ripening changes.

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Precision Measurements and Parametric Models of Vertebral Endplates

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Published on: September 17, 2019

Area of Science:

Obstetrics and Gynecology
Medical Imaging
Biomechanical Engineering

Background:

Cervical elastography is an emerging imaging technique.
Objective quantification of cervical changes during pregnancy is needed.

Purpose of the Study:

To evaluate a new method for numerical quantification of cervical elastography.
To assess the repeatability of these measurements in singleton pregnancies.

Main Methods:

Cervical elastography performed twice by one operator and once by a second operator in 112 pregnancies.
Intraobserver and interobserver repeatability assessed using intraclass correlation coefficients and Bland-Altman analysis.

Main Results:

No significant differences in measurements between observers, except where transducer force was direct.
External and superior cervix parts were softer than internal and inferior parts.

Conclusions:

Objective quantification of cervical elastography is feasible.
Measurements might primarily reflect applied transducer force.
Further research is needed to correlate elastography with cervical ripening and histological changes.