<unk>  is a surgical sectioning of the cricopharyngeus muscle, also known as the upper esophageal sphincter, that has been advocated for the treatment of<unk>  spasm, or<unk>  achalasia, that leads to cervical dysphagia in the clinical setting. This surgery can be used for Retrograde<unk>  dysfunction (R-CPD) a complication causing the inability to burp.
Cricopharyngeal myotomy
Laryngotracheal reconstruction
Chondrolaryngoplasty
Uvulopalatopharyngoplasty
Laryngeal mask airway
Augmentation pharyngoplasty
Hyperinflation therapy
Gingivoplasty