Endoscopic magnet placement into sub-adventitial tunnels for augmenting lower esophageal sphincter using submucosal endoscopy: ex vivo and in vivo study in a porcine model (with video)

Endolumenal therapies serve as a treatment option for gastroesophageal reflux disease (GERD). This study aimed to determine if magnets could be placed endoscopically using the adventitial layer creating a sub-adventitial space near the esophagogastric junction to augment the lower esophageal sphincter using the submucosal endoscopy.

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