Certain technical details are considered important to ease the laparos
copic performance of a Heller myotomy combined with a Dor antireflux p
rocedure for esophageal achalasia. A special emphasis is given to intr
aoperative esophagoscopy combined with a mild balloon distension of th
e. esophagogastric junction. These maneuvers prove helpful in identify
ing the esophagogastric region, easing the myotomy, and controlling it
s completeness.