What are the physical findings of esophageal dysmotility in CREST syndrome?

Updated: Oct 05, 2020
  • Author: Jeanie C Yoon, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

The earliest change in the distal esophagus (primarily smooth muscle) is an uncoordinated disorganized pattern of contractions resulting in low amplitude or absent peristalsis.

Lower esophageal sphincter (LES) pressure typically is lower than in healthy controls, and incomplete relaxation of the LES occurs. [30]


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