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European Radiology

Erschienen in:

04.08.2016 | Magnetic Resonance

Volumetric MRI study of the intrauterine growth restriction fetal brain

verfasst von: A. Polat, S. Barlow, R. Ber, R. Achiron, E. Katorza

Erschienen in: European Radiology | Ausgabe 5/2017

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Abstract

Objectives

Intrauterine growth restriction (IUGR) is a pathologic fetal condition known to affect the fetal brain regionally and associated with future neurodevelopmental abnormalities. This study employed MRI to assess in utero regional brain volume changes in IUGR fetuses compared to controls.

Methods

Retrospectively, using MRI images of fetuses at 30–34 weeks gestational age, a total of 8 brain regions—supratentorial brain and cavity, cerebral hemispheres, temporal lobes and cerebellum—were measured for volume in 13 fetuses with IUGR due to placental insufficiency and in 21 controls. Volumes and their ratios were assessed for difference using regression models. Reliability was assessed by intraclass correlation coefficients (ICC) between two observers.

Results

In both groups, all structures increase in absolute volume during that gestation period, and the rate of cerebellar growth is higher compared to that of supratentorial structures. All structures’ absolute volumes were significantly smaller for the IUGR group. Cerebellar to supratentorial ratios were found to be significantly smaller (P < 0.05) for IUGR compared to controls. No other significant ratio differences were found. ICC showed excellent agreement.

Conclusions

The cerebellar to supratentorial volume ratio is affected in IUGR fetuses. Additional research is needed to assess this as a radiologic marker in relation to long-term outcome.

Key Points

• IUGR is a pathologic fetal condition affecting the brain

• IUGR is associated with long-term neurodevelopmental abnormalities; fetal characterization is needed

• This study aimed to evaluate regional brain volume differences in IUGR

• Cerebellar to supratentorial volume ratios were smaller in IUGR fetuses

• This finding may play a role in long-term development of IUGR fetuses

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Titel: Volumetric MRI study of the intrauterine growth restriction fetal brain
verfasst von: A. Polat
S. Barlow
R. Ber
R. Achiron
E. Katorza
Publikationsdatum: 04.08.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: European Radiology / Ausgabe 5/2017
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-016-4502-4

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Springer Medizin

Volumetric MRI study of the intrauterine growth restriction fetal brain

Abstract

Objectives

Methods

Results

Conclusions

Key Points

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Springer Medizin

Abstract

Objectives

Methods

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Conclusions

Key Points

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