ArticleNeurogastroenterology and motility2020
Assessment of fasted and fed gastrointestinal contraction frequencies in healthy subjects using continuously tagged MRI.
Article in Neurogastroenterology and motility, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- Gastroparesis Phenotyping: Current Methods and Emerging Opportunities With Magnetic Resonance Imaging.Neurogastroenterology and motility · 2026Review
- Reduction of bowel loop motion during radiotherapy for gynaecological cancer assessed by 3D cine-MRI.Clinical and translational radiation oncology · 2026Article
- Quantification of the Regional Properties of Gastric Motility Using Dynamic Magnetic Resonance Images.IEEE open journal of engineering in medicine and biology · 2023Article
- Impact of bowel dilation on small bowel motility measurements with cine-MRI: assessment of two quantification techniques.BJR open · 2022Article
- Luminal Fluid Motion Inside an In Vitro Dissolution Model of the Human Ascending Colon Assessed Using Magnetic Resonance Imaging.Pharmaceutics · 2021Article
- A 3D cine-MRI acquisition technique and image analysis framework to quantify bowel motion demonstrated in gynecological cancer patients.Medical physics · 2021Article
- Assessment of fasted and fed gastrointestinal contraction frequencies in healthy subjects using continuously tagged MRI.Neurogastroenterology and motility · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundContinuously tagged MRI during free breathing can assess bowel motility at frequencies as low as the slow wave, motility pattern range. This study aimed to evaluate noninvasive gastrointestinal-tagged MRI for small bowel motility assessment and to observe the physiological response to a 300-kcal meal challenge in healthy, overnight-fasted volunteers.
methodsAfter overnight fasting, 16 healthy subjects (7 women, mean age 25.5, range 19-37 years) underwent a free breathing, tagged MRI scan to capture small bowel motility. Each subject underwent a (a) baseline motility scan, (b) food challenge, (c) postchallenge scan, and (d) second postchallenge scan (after 20 minutes). Motility was quantified using a frequency analysis technique for measuring the spectral power of the strain, referred to as motility score. Motility score was assessed in 20 frequency intervals between 1 and 20 contractions per minute (cpm), and the data were analyzed with linear mixed-effect models. KEY
resultThe stimulation protocol demonstrated an immediate, food-induced, motility response in the low-frequency range (2-10 cpm), which is consistent with the stomach and small bowel frequency range (3-12 cpm). CONCLUSIONS AND INFERENCES: This study shows that this MRI tagging technique is able to quantify the fasted-to-fed response to a 300-kcal meal challenge within the specific small bowel motility frequency range in healthy subjects. The food provocation MRI protocol provides a tool to explore the gut's response to a stimulus in specific motility frequency ranges in patients with gastrointestinal dysmotility and functional disorders.
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