Related Experiment Video
Updated: May 28, 2026

Robotic Myotomy and Partial Fundoplication for Achalasia
Published on: August 11, 2023
Management of cricopharyngeal dysphagia with and without Zenker's diverticulum
Brandon H Tieu1, John G Hunter
1Division of Cardiothoracic Surgery, Oregon Health & Sciences University, 3181 Southwest Sam Jackson Park Road, L223, Portland, OR 97239-3098, USA. tieub@ohsu.edu
Abstract:
Cricopharyngeal dysphagia and Zenker 's diverticulum result from cricopharyngeal dysfunction, a failure of the upper esophageal sphincter to relax at the initiation of swallowing. The focus of surgical management involves a cricopharyngeal myotomy that is performed by either an open or an endoscopic approach. The endoscopic approach offers faster operating times, a shorter hospital stay, earlier time to oral intake, and lower complication rates, but a role for open cricopharyngeal myotomy remains.
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