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Original Articles

The efficacy of routine brain MRI for term neonates admitted to neonatal intensive care unit

ORCID Icon, , , , , & show all
Pages 2932-2935 | Received 01 Jan 2020, Accepted 20 Aug 2020, Published online: 30 Aug 2020
 

Abstract

Objective

The efficacy of routine brain MRI for term infants admitted to a neonatal intensive care unit (NICU) has not been well studied. This study aimed to investigate the types and frequencies of abnormal findings on routine brain MRI and the predictors of abnormality for term infants in an NICU setting.

Methods

We examined the results of routine brain MRI of 239 term infants who were hospitalized in the NICU. Data on the perinatal factors were also collected, and the association with MRI abnormalities was assessed.

Results

Of the 239 MRI scans, we found abnormal findings in 52 (21.8%) patients. Intracranial hemorrhage accounted for 74% of the abnormal findings, including subdural, intraparenchymal, cerebellar, and subependymal hemorrhages. Twenty-six percent of these were ischemic lesions, including cerebral infarction, white matter abnormal intensities, and cystic periventricular leukomalacia (PVL). Five (2.1%) MRI scans required detailed examination or were known to be associated with a poor neurological prognosis. No patient needed treatment for the findings. An Apgar score ≤7 points at 5 min was identified as a perinatal factor significantly associated with abnormal MRI findings (adjusted OR = 3.034, 95% CI: 1.107–8.315, p = .031).

Conclusion

The efficacy of routine brain MRI for term infants admitted to the NICU was limited. Routine brain MRI is not recommended for this population.

Disclosure statement

The authors report no conflicts of interest. The authors alone were responsible for the content and writing of the paper.

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