Per Oral Endoscopic Myotomy (POEM) for Zenker's Diverticulum

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Author: David Schwartzberg
Specialties: Endoscopy, General Surgery
Schools: New York University Langone Medical Center
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Basic Info

In contrast to major thoracic operations, per oral endoscopic myotomy for Zenker's diverticulum offers the possiblity to resect a symptomatic Zenker's under monitored anesthesia care (MAC) for patients to ill to undergo general anesthesia. Patients have similar functional results when compared to small Zenker's treated with traditional operative approaches.




Per Oral Endoscopic Myotomy for Zenker's Diverticulum


Small (<4cm) symptomatic Zenker's diverticulum. Symptoms include halitosis, food intolerance, regurgitation or aspiration.


Coagulopathy, inability to tolerate endoscopy or anesthesia



Endoscopy with monitored anesthesia care (MAC)

Preoperative Workup

Upper gastrointestinal series and/or endoscopy to document a small Zenke's diverticulum, basic labs including coagulation profile

Anatomy and Landmarks

Esophagus, cricopharyngeus, Zenker's diverticulum, longitudinal and circular layers of the esophagus


Advantages: patient does not have to undergo general anesthesia and avoids the morbidity associated with a thoracotomy. Disadvantages: cannot operatively correct large symptomatic Zenker's diverticulum, esophageal perforation


Aspiration, bleeding, infection, incomplete myotomy, esophageal perforation

Disclosure of Conflicts



Monmouth Medical Center, NJ Department of Surgery & Gastroenterology


POEM-Based Endoscopic Treatment of Zenker's Diverticulum: Minimal Incision Cricopharyngeal Myotomy (cpm)
Luke Mccrone*1, Kondal R. Kyanam Kabir Baig2, Victoria Gomez2, John D. Casler3, Timothy a. Woodward2
1Internal Medicine, Mayo Clinic Florida, Jacksonville, FL; 2Gastroenterology, Mayo Clinic Florida, Jacksonville, FL; 3Otorhinolaryngology, Mayo Clinic Florida, Jacksonville, FL

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