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Myelomeningocele–Chiari II malformation–Neurological predictability based on fetal and postnatal magnetic resonance imaging
Author(s) -
Khalaveh Farjad,
Seidl Rainer,
Czech Thomas,
Reinprecht Andrea,
Gruber Gerlinde Maria,
Berger Angelika,
Kiss Herbert,
Prayer Daniela,
Kasprian Gregor
Publication year - 2021
Publication title -
prenatal diagnosis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.956
H-Index - 97
eISSN - 1097-0223
pISSN - 0197-3851
DOI - 10.1002/pd.5987
Subject(s) - dysgenesis , medicine , magnetic resonance imaging , lesion , hydrocephalus , retrospective cohort study , radiology , scoliosis , syringomyelia , surgery , anatomy
Objective This systematic comparison between pre‐ and postnatal imaging findings and postnatal motor outcome assesses the reliability of MRI accuracy in the prognostication of the future long‐term (mean, 11.4 years) ambulatory status in a historic group of postnatally repaired myelomeningocele (MMC) cases. Methods A retrospective, single‐center study of 34 postnatally repaired MMC patients was performed. We used fetal and postnatal magnetic resonance imaging (MRI) to compare the fetal and postnatal radiological lesion level to each other and to the postnatal ambulatory level as a standard of reference and analyzed Chiari II malformation characteristics. Results In 13/15 (87%) and 29/31 (94%) cases, the functional level was equal to or better than the prenatal and postnatal radiological lesion level. A radiological lesion level agreement within two segments could be achieved in 13/15 (87%) patients. A worse than expected functional level occurred in cases with Myelocele (2/3 patients), coexistent crowding of the posterior fossa (2/3 patients) and/or abnormal white matter architecture, represented by callosal dysgenesis (1/3 patients). In all patients (2/2) with a radiological disagreement of more than two segments, segmentation disorders and scoliosis were observed. Conclusion Fetal and postnatal MRI are predictive of the long‐term ambulatory status in postnatally repaired MMC patients.