Work

Quantification of the Regional Properties of Gastric Motility Using Dynamic Magnetic Resonance Images

Year: 2023

Type: article

Abstract: Goal: To quantify the regional properties of gastric motility from free-breathing dynamic MRI dataMethods: Free-breathing MRI scans were performed on 10 healthy human subjects. Motion correction was applied to reduce the respiratory effect. A stomach centerline was automatically generated and used as a reference axis. Contractions were quantified and visualized as spatio-temporal contraction maps. Gastric motility properties were reported separately for the lesser and greater curvatures in the proximal and distal regions of the stomach.Results: Motility properties varied in different regions of the stomach. The mean contraction frequencies for the lesser and greater curvatures were both 3.1±0.4 cycles per minute. The contraction speed was significantly higher on the greater curvature than the lesser curvature (3.5±0.7 vs 2.5±0.4 mm/s, p2/s) compared to the other regions of the stomach (11.16–14.12 mm2/s).Conclusions: The results showed the effectiveness of the proposed method for visualization and quantification of motility patterns from MRI data.

Source: IEEE Open Journal of Engineering in Medicine and Biology

DOI: 10.1109/ojemb.2023.3261224

Authors: Saeed Hosseini, Recep Avci, Niranchan Paskaranandavadivel, Vinod Suresh, Leo K. Cheng

Institutions: University of Auckland, Riddet Institute

Language: English

Topic: Gastrointestinal motility and disorders

Subfield: Gastroenterology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $1,950