Modified Heller procedure to prevent postoperative reflux esophagitis in patients with achalasia.
D004931:Esophageal Achalasia / Q000601:surgery*; D004942:Esophagitis, Peptic / Q000517:prevention & control*; D004947:Esophagus / Q000601:surgery*; D005500:Follow-Up Studies; D005764:Gastroesophageal Reflux / Q000517:prevention & control; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control*