ArticleAJNR. American journal of neuroradiology2016
Quiet T1-Weighted Pointwise Encoding Time Reduction with Radial Acquisition for Assessing Myelination in the Pediatric Brain.
Article in AJNR. American journal of neuroradiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 29 citations in OpenAlex.
- Deep learning-enhanced zero echo time silent brain magnetic resonance imaging in infants without sedation.Pediatric radiology · 2026Article
- Evaluation of Software-Optimized Protocols for Acoustic Noise Reduction During Brain MRI at 7 Tesla.Journal of magnetic resonance imaging : JMRI · 2025Article
- Modality-level obstacles and initiatives to improve representation in fetal, infant, and toddler neuroimaging research samples.Developmental cognitive neuroscience · 2025Article
- Structural Brain Imaging Biomarkers of Autism Spectrum Disorder.Advances in neurobiology · 2024Review
- Article
- Quiet Diffusion-weighted MR Imaging of the Brain for Pediatric Patients with Moyamoya Disease.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2022Observational
- Image quality and subject experience of quiet T1-weighted 7-T brain imaging using a silent gradient coil.European radiology experimental · 2022Article
- Comparison of contrast-enhanced T1-weighted imaging using DANTE-SPACE, PETRA, and MPRAGE: a clinical evaluation of brain tumors at 3 Tesla.Quantitative imaging in medicine and surgery · 2022Article
- Silent zero TE MR neuroimaging: Current state-of-the-art and future directions.Progress in nuclear magnetic resonance spectroscopy · 2021Review
- Characterization of hardware-related spatial distortions for IR-PETRA pulse sequence using a brain specific phantom.Magma (New York, N.Y.) · 2021Article
- Pointwise encoding time reduction with radial acquisition in subtraction-based magnetic resonance angiography to assess saccular unruptured intracranial aneurysms at 3 Tesla.Neuroradiology · 2021Article
- Silent susceptibility-weighted angiography to detect hemorrhagic lesions in the brain: a clinical and phantom study.Neuroradiology · 2020Article
- Imaging of Cystic Lung Lesions in Infants Using Pointwise Encoding Time Reduction with Radial Acquisition (PETRA).Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2019Article
- MR Imaging of the Facial Nerve through the Temporal Bone at 3T with a Noncontrast Ultrashort Echo Time Sequence.AJNR. American journal of neuroradiology · 2018Article
- Comparison of Silent and Conventional MR Imaging for the Evaluation of Myelination in Children.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2017Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
background and purposeT1-weighted pointwise encoding time reduction with radial acquisition (PETRA) sequences require limited gradient activity and allow quiet scanning. We aimed to assess the usefulness of PETRA in pediatric brain imaging. MATERIALS AND
methodsWe included consecutive pediatric patients who underwent both MPRAGE and PETRA. The contrast-to-noise and contrast ratios between WM and GM were compared in the cerebellar WM, internal capsule, and corpus callosum. The degree of myelination was rated by using 4-point scales at each of these locations plus the subcortical WM in the anterior frontal, anterior temporal, and posterior occipital lobes. Two radiologists made all assessments, and the intra- and interrater agreement was calculated by using intraclass correlation coefficients. Acoustic noise on MPRAGE and PETRA was measured.
resultsWe included 56 patients 5 days to 14 years of age (mean age, 36.6 months) who underwent both MPRAGE and PETRA. The contrast-to-noise and contrast ratios for PETRA were significantly higher than those for MPRAGE (P < .05), excluding the signal ratio for cerebellar WM. Excellent intra- and interrater agreement were obtained for myelination at all locations except the cerebellar WM. The acoustic noise on PETRA (58.2 dB[A]) was much lower than that on MPRAGE (87.4 dB[A]).
conclusionsPETRA generally showed better objective imaging quality without a difference in subjective image-quality evaluation and produced much less acoustic noise compared with MPRAGE. We conclude that PETRA can substitute for MPRAGE in pediatric brain imaging.
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