Per-Oral Endoscopic Myotomy (POEM)
Massachusetts General Hospital
David Rattner, MD
Chief of General and Gastrointestinal Surgery
Ozanan R Meireles, MD
General and Gastrointestinal Surgery

Dr. Rattner and Dr. Meireles endoscopically generate a submucosal tunnel to reach and release the circular muscles of the lower esophageal sphincter to help alleviate a patient’s achalasia.