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Utility of oral rehydration jelly in probe method endoscopic ultrasound: a prospective cohort study
Shinya Yamada1, Hajime Takatori2, Masaki Miyazawa1
1Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan.
Background:
When performing endoscopic ultrasound (EUS) using a miniature probe, filling the lumen with water is necessary. However, because of gravity and peristalsis, satisfactory images are often not obtained. Recently, it has been reported that injecting a viscous gel instead of water could facilitate EUS imaging.
Objectives:
To determine if EUS performed with rehydration jelly returned interpretable images when the standard method did not.
Design:
Prospective cohort study.
Methods:
EUS was first attempted in 50 patients using the conventional water-filling method; in cases where satisfactory images were not obtained, EUS was additionally performed using oral rehydration jelly (OS-1). Five endoscopists evaluated the obtained images, and their outcomes were examined.
Results:
Satisfactory images were not obtained in 34 cases when using the water-filling method. The images obtained using the jelly method were improved compared to the water-filling method in 29 cases, with a significant improvement in 18 cases. No complications were observed with the jelly method.
Conclusion:
For EUS, the jelly method will likely yield good images when satisfactory image quality cannot be obtained using the water-filling method.
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