ArticleJournal of magnetic resonance (San Diego, Calif. : 1997)2019
High-resolution MRI of kidney microstructures at 7.05 T with an endo-colonic Wireless Amplified NMR detector.
Article in Journal of magnetic resonance (San Diego, Calif. : 1997), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Wireless detector-based magnetic resonance imaging for grading assessment of the peridiscal attachments in temporomandibular joint internal derangement.Quantitative imaging in medicine and surgery · 2026Article
- Evaluation of condylar osseous changes using a wireless detector with proton density-weighted imaging sequences.Quantitative imaging in medicine and surgery · 2023Article
- In-vivo techniques for determining nephron number.Current opinion in nephrology and hypertension · 2019Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
To map the hemodynamic responses of kidney microstructures at 7.05 T with improved sensitivity, a Wireless Amplified NMR Detector (WAND) with cylindrical symmetry was fabricated as an endoluminal detector that can convert externally provided wireless signal at 600.71 MHz into amplified MR signals at 300.33 MHz. When this detector was inserted inside colonic lumens to sensitively observe adjacent kidneys, it could clearly identify kidney microstructures in the renal cortex and renal medullary. Owing to the higher achievable spatial resolution, differential hemodynamic responses of kidney microstructures under different breathing conditions could be individually quantified to estimate the underlying correlation between oxygen bearing capability and local levels of oxygen unsaturation. The WAND's ability to map Blood Oxygen Level Dependent (BOLD) signal responses in heterogeneous microstructures will pave way for early-stage diagnosis of kidney diseases, without the use of contrast agents for reduced tissue retention and toxicity.
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