In particular, it’s thought to have something to do with the dysfunction of the cricopharyngeal muscle, which sits at the top of the oesophagus. This muscle is designed to stop food and drink ...

BACKGROUND: Cricopharyngeal dysfunction may lead to severe dysphagia and aspiration. Several treatment modalities are available, such as external myotomy of the muscle, dilatation, and local ...

Retrograde cricopharyngeus dysfunction (R-CPD ... R-CPD, also known as "no burp syndrome", occurs when the cricopharyngeal muscle in the throat is unable to relax to allow gas to pass upwards.

The condition is officially dubbed retrograde cricopharyngeal dysfunction (R-CPD), and affects the cricopharyngeus muscle, ...