Abstract:
:Esophagogastric junction outflow obstruction (EGJOO) is currently diagnosed according to the Chicago Classification V3 by an elevated median integrated relaxation pressure on high resolution manometry. However, EGJOO may not be an accurate diagnosis, as it may be based on abnormal IRP from an artifact, affected by narcotics, an achalasia variant, or a mechanical cause of obstruction. This heterogenous diagnosis can often lead to unnecessary testing and treatment. The purpose of this study is to develop a stepwise clinical management protocol on how to evaluate EGJOO. Motility studies were reviewed for the last 2 years and 39 patients were diagnosed with EGJOO. Clinical information was reviewed, and patients were classified into six stepwise categories to explain an elevated IRP resulting in EGJOO diagnosis: (1) underlying catheter artifact (2) opioid use (3) achalasia variant (4) jackhammer esophagus with obstruction (5) missed esophageal lesion (ex. Schatzki ring, EOE) and (6) extrinsic compression. 40% (n = 14) of patients with elevated IRP were due to an underlying catheter artifact. 8.6% (n = 3) were due to opioid use. 8.6% (n = 3) were due to achalasia variant. 31.4% (n = 11) were due to jackhammer esophagus with obstruction. 5.7% (n = 2) were due to missed esophageal lesion. 5.7% (n = 2) were due to external compression by cardiomegaly and aortic aneurism. EGJOO is not a diagnostic end point, but a heterogenous category with multiple underlying etiologies. We believe the use of a stepwise approach to these patients can help avoid further unnecessary testing.
journal_name
Dysphagiajournal_title
Dysphagiaauthors
Tadros M,Yodice Mdoi
10.1007/s00455-020-10156-5subject
Has Abstractpub_date
2020-07-16 00:00:00eissn
0179-051Xissn
1432-0460pii
10.1007/s00455-020-10156-5pub_type
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