Cricopharyngeus myotomy (CPM)

A procedure in which the [intlink id=”113″ type=”post”]cricopharyngeus muscle[/intlink], or [intlink id=”615″ type=”post”]upper esophageal sphincter[/intlink], which makes a “ring” around the upper esophagus, is divided or cut across in order to break its grip. This is done in cases where the muscle fails to relax when one swallows, resulting in a functional obstruction. Symptoms that follow include solid greater than liquid [intlink id=”142″ type=”post”]dysphagia[/intlink].

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