The method varies a little depending on which part of the intestine is being evaluated. During esophageal manometry we test the function of both sphincters, as well as the function of the tubular esophagus. We often perform esophageal manometry testing when patients complain of difficulty swallowing and tests show no blockage. These tests can include upper endoscopy and barium swallow. Esophageal manometry is the test of choice when achalasia is suspected.
Some patients have other disorders that lead to problems with esophageal contraction.
For example, many patients with scleroderma have abnormal esophageal manometry tests. Esophageal spasms can cause severe chest pain that mimics heart disease. These spasms can be detected by appropriate manometry testing, using various stimuli such as medications or even balloon distention within the esophagus. Preparation for manometry Patients are usually asked to take nothing by mouth for at least 8 hours. The procedure is explained.