Associations Between Early Structural Magnetic Resonance Imaging, Hammersmith Infant Neurological Examination, and General Movements Assessment in Infants Born Very Preterm - 22/04/21
, Stephanie Merhar, MD, MS 3, 4, Venkata Sita Priyanka Illapani, MS 3, Colleen Peyton, DPT 5, Beth Kline-Fath, MD 6, 7, Nehal A. Parikh, DO, MS 3, 4Abstract |
Objective |
To evaluate the prevalence and associations between structural magnetic resonance imaging (sMRI) injury/abnormality at term-equivalent age and absent fidgety General Movements Assessment (GMA) and abnormal Hammersmith Infant Neurological Examination (HINE) scores among infants born very preterm at 3-4 months of corrected age.
Study design |
This prospective cohort study enrolled 392 infants born ≤2 weeks of gestation from 5 neonatal intensive care units in the greater Cincinnati area between September 2016 and October 2019. Infants completed sMRI at term-equivalent age and GMA and HINE at 3-4 months of corrected age. All assessors were blinded.
Results |
Of 392 infants, 375 (96%) had complete data. Of these, 44 (12%) exhibited moderate or severe brain abnormalities, 17 (4.5%) had abnormal GMA, and 77 (20.3%) had abnormal HINE. Global and regional abnormality scores on sMRI were significantly correlated with GMA (R2 range 0.05-0.17) and HINE at 3-4 months of corrected age (R2 range 0.01-0.17). These associations remained significant in multivariable analyses after adjusting for gestational age and sex. There was a significant but low correlation (R2 0.14) between GMA and HINE.
Conclusions |
We observed a low prevalence of moderate or severe brain abnormalities in survivors born very preterm in this geographically defined cohort. The much greater prevalence of abnormal motor examination on the HINE compared with GMA and their low correlation suggests that these tests evaluate different constructs and, thus, should be used in combination with sMRI rather than interchangeably.
Le texte complet de cet article est disponible en PDF.Key words : MRI, general movements assessment, Hammersmith infant neurological exam, cerebral palsy
Abbreviations : CCHMC, CP, GMA, HINE, NICU, sMRI, TE, TR
Plan
| C.P. is on the speaker's bureau of the Prechtl's General Movements Trust. Supported by National Institutes of Health (R01-NS094200-05 and R01 NS096037-03) from the National Institute of Neurological Disorders and Stroke (NINDS) to N.P. The content is solely the responsibility of the authors and does not necessarily represent the official views of NINDS or the National Institutes of Health. The other authors declare no conflicts of interest. |
Vol 232
P. 80 - mai 2021 Retour au numéro
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