Ultra-low-field portable MRI for assessing ventricular size in pediatric hydrocephalus: a feasibility study Article Swipe
Maxwell D. Gruber
,
Prashin Unadkat
,
Diego M. Morales
,
Shivam Joshi
,
David D. Limbrick
,
Mark A. Mittler
,
Jeremy Jones
,
Aaron S. McAllister
,
Jeffrey R. Leonard
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3171/2025.1.peds24358
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3171/2025.1.peds24358
OBJECTIVE Hydrocephalus, characterized by abnormal CSF accumulation, poses diagnostic and management challenges, especially in pediatric patients. Timely and accurate diagnosis is crucial for effective treatment. The aim of this study was to investigate the feasibility of using ultra-low-field portable MRI (pMRI) as a supplementary tool for assessing ventricular caliber and radiographic features of hydrocephalus, rather than as a stand-alone diagnostic modality. METHODS A single-blind prospective design across three tertiary care centers evaluated the ultra-low-field pMRI for determination of ventricular size in patients with a diagnosis of hydrocephalus or ventriculomegaly. Participants undergoing MRI using standardized protocols were consecutively recruited from neurosurgery and pediatric neurology clinics as well as the emergency department. Radiographic features were collected from both experimental and standard imaging modalities to assess ventricular morphology and diagnose hydrocephalus. The study adhered to ethical guidelines, ensuring participant privacy, confidentiality, and informed consent, with rigorous protection of protected health information and compliance with HIPAA regulations. RESULTS A total of 153 patients were enrolled, 53.59% of whom were male and 46.4% were female. The mean age was 9.55 ± 6.39 years. Etiologies were most commonly posthemorrhagic (27.45%), myelomeningocele (15.03%), or aqueductal stenosis (15.03%). Bland-Altman plots showed near congruent agreement between pMRI and standard of care for the Evans index and frontal occipital horn ratio (FOHR). Lin’s concordance correlation coefficient showed substantial agreement between pMRI and standard-of-care imaging for both Evans index (0.922, 95% CI 0.8941–0.9428) and FOHR (0.9419, 95% CI 0.9206–0.9576). CONCLUSIONS This study highlights the promise of low-field pMRI machines in assessing ventricular size and morphology in pediatric patients. However, pMRI should not be viewed as a stand-alone diagnostic modality for hydrocephalus but rather as a complementary tool in managing specific aspects of the condition. Further research is needed to optimize pMRI use in pediatric neuroimaging, but the accessibility, safety, and diagnostic accuracy of low-field MRI suggest that it could become a valuable addition to current imaging tools.
Related Topics
Concepts
Medicine
Ventriculomegaly
Hydrocephalus
Aqueductal stenosis
Concordance
Neurosurgery
Institutional review board
Neuroradiology
Magnetic resonance imaging
Informed consent
Radiology
Pediatrics
Neurology
Surgery
Internal medicine
Pathology
Psychiatry
Genetics
Fetus
Biology
Pregnancy
Alternative medicine
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3171/2025.1.peds24358
- https://thejns.org/downloadpdf/view/journals/j-neurosurg-pediatr/aop/article-10.3171-2025.1.PEDS24358/article-10.3171-2025.1.PEDS24358.pdf
- OA Status
- bronze
- Cited By
- 1
- References
- 21
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4409577952
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4409577952Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3171/2025.1.peds24358Digital Object Identifier
- Title
-
Ultra-low-field portable MRI for assessing ventricular size in pediatric hydrocephalus: a feasibility studyWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-04-01Full publication date if available
- Authors
-
Maxwell D. Gruber, Prashin Unadkat, Diego M. Morales, Shivam Joshi, David D. Limbrick, Mark A. Mittler, Jeremy Jones, Aaron S. McAllister, Jeffrey R. LeonardList of authors in order
- Landing page
-
https://doi.org/10.3171/2025.1.peds24358Publisher landing page
- PDF URL
-
https://thejns.org/downloadpdf/view/journals/j-neurosurg-pediatr/aop/article-10.3171-2025.1.PEDS24358/article-10.3171-2025.1.PEDS24358.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
bronzeOpen access status per OpenAlex
- OA URL
-
https://thejns.org/downloadpdf/view/journals/j-neurosurg-pediatr/aop/article-10.3171-2025.1.PEDS24358/article-10.3171-2025.1.PEDS24358.pdfDirect OA link when available
- Concepts
-
Medicine, Ventriculomegaly, Hydrocephalus, Aqueductal stenosis, Concordance, Neurosurgery, Institutional review board, Neuroradiology, Magnetic resonance imaging, Informed consent, Radiology, Pediatrics, Neurology, Surgery, Internal medicine, Pathology, Psychiatry, Genetics, Fetus, Biology, Pregnancy, Alternative medicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
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1Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1Per-year citation counts (last 5 years)
- References (count)
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21Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.assessing | 46, 249 |
| abstract_inverted_index.collected | 113 |
| abstract_inverted_index.congruent | 194 |
| abstract_inverted_index.diagnosis | 19, 84 |
| abstract_inverted_index.effective | 23 |
| abstract_inverted_index.emergency | 108 |
| abstract_inverted_index.enrolled, | 160 |
| abstract_inverted_index.evaluated | 71 |
| abstract_inverted_index.low-field | 245, 302 |
| abstract_inverted_index.modality. | 60 |
| abstract_inverted_index.neurology | 102 |
| abstract_inverted_index.occipital | 208 |
| abstract_inverted_index.patients. | 15, 256 |
| abstract_inverted_index.pediatric | 14, 101, 255, 292 |
| abstract_inverted_index.protected | 145 |
| abstract_inverted_index.protocols | 94 |
| abstract_inverted_index.recruited | 97 |
| abstract_inverted_index.Etiologies | 178 |
| abstract_inverted_index.aqueductal | 187 |
| abstract_inverted_index.compliance | 149 |
| abstract_inverted_index.condition. | 282 |
| abstract_inverted_index.diagnostic | 8, 59, 266, 299 |
| abstract_inverted_index.especially | 12 |
| abstract_inverted_index.highlights | 241 |
| abstract_inverted_index.management | 10 |
| abstract_inverted_index.modalities | 120 |
| abstract_inverted_index.morphology | 124, 253 |
| abstract_inverted_index.protection | 143 |
| abstract_inverted_index.treatment. | 24 |
| abstract_inverted_index.undergoing | 90 |
| abstract_inverted_index.CONCLUSIONS | 238 |
| abstract_inverted_index.challenges, | 11 |
| abstract_inverted_index.coefficient | 215 |
| abstract_inverted_index.concordance | 213 |
| abstract_inverted_index.correlation | 214 |
| abstract_inverted_index.department. | 109 |
| abstract_inverted_index.feasibility | 34 |
| abstract_inverted_index.guidelines, | 133 |
| abstract_inverted_index.information | 147 |
| abstract_inverted_index.investigate | 32 |
| abstract_inverted_index.participant | 135 |
| abstract_inverted_index.prospective | 64 |
| abstract_inverted_index.stand-alone | 58, 265 |
| abstract_inverted_index.substantial | 217 |
| abstract_inverted_index.ventricular | 47, 78, 123, 250 |
| abstract_inverted_index.Bland-Altman | 190 |
| abstract_inverted_index.Participants | 89 |
| abstract_inverted_index.Radiographic | 110 |
| abstract_inverted_index.experimental | 116 |
| abstract_inverted_index.neurosurgery | 99 |
| abstract_inverted_index.radiographic | 50 |
| abstract_inverted_index.regulations. | 152 |
| abstract_inverted_index.single-blind | 63 |
| abstract_inverted_index.standardized | 93 |
| abstract_inverted_index.accumulation, | 6 |
| abstract_inverted_index.characterized | 2 |
| abstract_inverted_index.complementary | 274 |
| abstract_inverted_index.consecutively | 96 |
| abstract_inverted_index.determination | 76 |
| abstract_inverted_index.hydrocephalus | 86, 269 |
| abstract_inverted_index.neuroimaging, | 293 |
| abstract_inverted_index.supplementary | 43 |
| abstract_inverted_index.Hydrocephalus, | 1 |
| abstract_inverted_index.accessibility, | 296 |
| abstract_inverted_index.hydrocephalus, | 53 |
| abstract_inverted_index.hydrocephalus. | 127 |
| abstract_inverted_index.posthemorrhagic | 182 |
| abstract_inverted_index.ultra-low-field | 37, 73 |
| abstract_inverted_index.0.8941–0.9428) | 231 |
| abstract_inverted_index.confidentiality, | 137 |
| abstract_inverted_index.myelomeningocele | 184 |
| abstract_inverted_index.standard-of-care | 222 |
| abstract_inverted_index.0.9206–0.9576). | 237 |
| abstract_inverted_index.ventriculomegaly. | 88 |
| cited_by_percentile_year.max | 95 |
| cited_by_percentile_year.min | 91 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 9 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/16 |
| sustainable_development_goals[0].score | 0.4099999964237213 |
| sustainable_development_goals[0].display_name | Peace, Justice and strong institutions |
| citation_normalized_percentile.value | 0.79533813 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | True |