Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Fetal and placental volumetric and functional analysis using echo-planar imaging.

K R Duncan1

  • 1Nottingham University, Department of Obstetrics and Gynecology, City Hospital, United Kingdom. keith.duncan@nottingham.ac.uk

Topics in Magnetic Resonance Imaging : TMRI
|February 24, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Exploring the diversity and metabolic potential of actinomycetes from temperate marine sediments from Newfoundland, Canada.

Journal of industrial microbiology & biotechnology·2014
Same author

Multilevel modeling of fetal and placental growth using echo-planar magnetic resonance imaging.

Journal of the Society for Gynecologic Investigation·2001
Same author

Antenatal factors at diagnosis that predict outcome in twin-twin transfusion syndrome.

American journal of obstetrics and gynecology·2000
Same author

In utero perfusing fraction maps in normal and growth restricted pregnancy measured using IVIM echo-planar MRI.

Placenta·2000
Same author

Infants exposed to MRI in utero have a normal paediatric assessment at 9 months of age.

The British journal of radiology·2000
Same author

In vivo intravoxel incoherent motion measurements in the human placenta using echo-planar imaging at 0.5 T.

Magnetic resonance in medicine·2000
Same journal

Automated Diagnosis of Breast Cancer Using Deep Learning Techniques Applied to Digital Mammography and Magnetic Resonance Images.

Topics in magnetic resonance imaging : TMRI·2026
Same journal

Assessment of Brain Tumor Response to Radiotherapy Using Noninvasive Spectroscopic Magnetic Resonance Imaging Techniques.

Topics in magnetic resonance imaging : TMRI·2026
Same journal

Machine Learning-Based Detection of EGFR Mutation and HER2 Overexpression in Metastatic Brain Adenocarcinoma: Systematic Review and Meta-Analysis.

Topics in magnetic resonance imaging : TMRI·2025
Same journal

Oxygen Saturation, Heart Rate, and Anxiety Levels Among Claustrophobic and Non-Claustrophobic Patients Undergoing Closed and Open MRI: A Comparative Study.

Topics in magnetic resonance imaging : TMRI·2025
Same journal

Preclinical Investigations Toward Gd-free Molecularly Targeted Dual-Modal, MRI Dynamic (DCE-MRI)/Optical Imaging Contrast Agent for Cardiac Angiosarcoma.

Topics in magnetic resonance imaging : TMRI·2025
Same journal

Understanding the Independent Risk Factors of Anterior Shoulder Dislocation Using MRI.

Topics in magnetic resonance imaging : TMRI·2025
See all related articles

Echo-planar imaging (EPI) in pregnancy offers advantages over ultrasound for assessing fetal development. This technique provides valuable anatomical and physiological data, potentially leading to an "index of maturity" for accurate lung maturation assessment.

Area of Science:

  • Medical Imaging
  • Radiology
  • Fetal Development

Background:

  • Echo-planar imaging (EPI) provides advantages over conventional radiological methods like ultrasound for obtaining anatomical and physiological information during pregnancy.
  • EPI is a rapid and convenient technique for measuring organ volumes and relaxation times in fetal structures.

Purpose of the Study:

  • To explore the utility of EPI in assessing fetal development and physiological parameters during pregnancy.
  • To investigate the potential of EPI for developing an "index of maturity" for fetal lung maturation.
  • To evaluate the application of EPI in assessing placental function and fetal brain perfusion.

Main Methods:

  • Utilized echo-planar imaging (EPI) for volumetric measurements of fetal organs throughout gestation.

Related Experiment Videos

  • Performed relaxation time measurements (T1 and T2) in the placenta and fetal lungs.
  • Applied EPI techniques to assess placental perfusion, uterine artery flow, and fetal brain perfusion.

    • Main Results:

    • Volumetric estimates from EPI correlated well with known fetal weight across gestations.
    • T1 and T2 parameters in the placenta showed a decrease with advancing gestational age and in cases of abnormal placentation.
    • EPI demonstrated capability in assessing placental perfusion, uterine artery flow, and fetal brain perfusion.

    Conclusions:

    • EPI is a valuable tool for obtaining crucial anatomical and physiological data in pregnant patients, surpassing conventional methods.
    • Combining volumetric and relaxation time measurements with gestational age may enable the development of an "index of maturity" for fetal lung maturation.
    • EPI facilitates comprehensive assessment of placental function and fetal neurovascular status, offering significant clinical potential.