Normative data for fetal cisterna magna length measurement between 18 and 24 weeks of pregnancy.
Childs Nerv Syst
; 30(1): 9-12, 2014 Jan.
Article
em En
| MEDLINE
| ID: mdl-24122018
ABSTRACT
PURPOSE:
The aim of this study was to determine normative data for fetal cisterna magna length (CML) measurement in a Brazilian population.METHODS:
This was a retrospective cross-sectional study on 3,862 normal singleton pregnancies between the 18th and 24th weeks of pregnancy. Fetal CML was measured in the axial plane of the fetal head, at lateral ventricle level, including the cavum septum pellucidum, thalamus, third ventricle, and transverse cerebellar diameter. The anteroposterior measurement was made between the posterior border of the cerebellar vermis and the internal face of the occipital bone. To assess the correlation between CML and gestational age (GA), polynomial equations were calculated, with adjustments using determination coefficient (R2).RESULTS:
The mean CML ranged from 4.29±0.93 mm at 18 to 18+6 weeks to 5.58±1.23 mm at 24 to 24+6 weeks of pregnancy. There was a good correlation between CML and GA, best represented by a linear equation CML=0.535+0.208*GA (R2=0.084).CONCLUSION:
We established normative data for fetal CML in the second trimester of pregnancy, in a large Brazilian population.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Segundo Trimestre da Gravidez
/
Ultrassonografia Pré-Natal
/
Idade Gestacional
/
Cisterna Magna
Tipo de estudo:
Diagnostic_studies
/
Observational_studies
/
Prevalence_studies
/
Risk_factors_studies
Limite:
Adult
/
Female
/
Humans
/
Pregnancy
Idioma:
En
Revista:
Childs Nerv Syst
Assunto da revista:
NEUROLOGIA
/
PEDIATRIA
Ano de publicação:
2014
Tipo de documento:
Article