Dysphagia lusoria: utility of high-resolution impedance manometry to identify true disease.

Published on Jun 1, 2021in Neurogastroenterology and Motility2.946
· DOI :10.1111/NMO.14176
Jennifer Wellington1
Estimated H-index: 1
(UMB: University of Maryland, Baltimore),
Joseph Kim1
Estimated H-index: 1
(UMB: University of Maryland, Baltimore)
+ 1 AuthorsGuofeng Xie (Veterans Health Administration)
Sources
Abstract
Dysphagia lusoria is a rare cause of dysphagia due to impingement of the esophagus by an aberrant right subclavian artery. Although most remain asymptomatic, this aberrant vessel can lead to progressive dysphagia in childhood or even later in life as a result of arteriosclerotic burden and attenuation of esophageal compliance that led to esophageal compression. We present a 56-year-old man with a 3-year history of progressively worsening dysphagia to solids and liquids and globus sensation. Videofluoroscopic swallowing study (modified barium esophagram) and barium esophagram showed delayed barium tablet transit in the upper esophagus and focal smooth narrowing of the upper esophagus caused by external compression, respectively. Computed tomography imaging demonstrated external compression of proximal esophagus from an aberrant right subclavian artery with high atherosclerotic burden. In addition, high-resolution impedance manometry (HRiM) revealed a striking high-pressure pulsatile vascular band in the proximal esophagus (108 mmHg) associated with poor bolus transit, demonstrating the utility of HRiM in strengthening the diagnoses of true dysphagia lusoria.
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