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Radiological Physics and Technology

27-09-2024 | Magnetic Resonance Cholangio Pancreatography | Research Article

The effect on gastrointestinal peristalsis for magnetic resonance cholangiopancreatography during breath-holding methods

Authors: Yuhei Otsuka, Tomoya Nakamura, Nao Kajihara, Takao Tashiro

Published in: Radiological Physics and Technology

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Abstract

The breath-hold (BH) 3D magnetic resonance cholangiopancreatography method has been reported to suppress “respiratory artifacts”; however, the influence of gastrointestinal peristalsis around the target organs has not been discussed. In contrast, the autonomic nervous system has been reported to affect gastrointestinal peristalsis and BH imaging has been reported to influence venous blood flow signal (BFS) through its involvement with the autonomic nervous system. We examined the impact of BH imaging on gastrointestinal peristalsis. Seven healthy volunteers participated. Three respiratory patterns—free breathing (FB), BH at maximum inspiration (Insp-BH), and BH at maximum expiration (Exp-BH)—were used. Gastrointestinal peristalsis was measured using cine MRI. Cine MRI data were analyzed using the normalized interframe difference method, focusing on the duodenum and gastric body. Hemodynamic changes resulting from BH methods were evaluated using 2D phase contrast, targeting the inferior vena cava (IVC). The BFS was examined for all phases of each respiratory pattern. Peristalsis variation in the duodenum showed no significant differences among FB, Exp-BH, and Insp-BH. In the gastric body, no significant differences were observed between FB and Exp-BH or between Exp-BH and Insp-BH. However, a significant difference emerged between FB and Insp-BH. Regarding BFS, in the IVC, significant differences were observed between Exp-BH and Insp-BH and between FB and Insp-BH (both, p < 0.01), with no significant difference between FB and Exp-BH. Insp-BH reduces venous blood flow and suppresses the influence of peristalsis variation.
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Metadata
Title
The effect on gastrointestinal peristalsis for magnetic resonance cholangiopancreatography during breath-holding methods
Authors
Yuhei Otsuka
Tomoya Nakamura
Nao Kajihara
Takao Tashiro
Publication date
27-09-2024
Publisher
Springer Nature Singapore
Published in
Radiological Physics and Technology
Print ISSN: 1865-0333
Electronic ISSN: 1865-0341
DOI
https://doi.org/10.1007/s12194-024-00846-2