The timed barium swallow and its relationship to symptoms in achalasia: Analysis of surface area and emptying rate.
Santosh SanagapalliAndrew PlumbJohn MaynardRupert W LeongRami SweisPublished in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2020)
Change in barium surface area is a superior measure of esophageal emptying and better correlates with treatment response than the conventional 5-minute barium height in defining objective response to achalasia therapy.