Long-term success of flexible endoscopic septal division with the stag beetle knife for Zenker’s diverticulum: a tertiary center study

Summary Objectives Flexible endoscopic septum division is an established treatment for Zenker’s diverticulum (ZD); however, long-term outcome data are lacking. We aimed to evaluate the long-term efficacy of flexible endoscopic septal division (FESD) using the stag beetle knife for ZD and identify predictors of symptom recurrence. Methods Patients undergoing the procedure between 2013 and 2018 were prospectively enrolled. Procedures were...