Title
Distal esophageal spasm and the Chicago classification : is timing everything? Distal esophageal spasm and the Chicago classification : is timing everything?
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Cambridge, Mass. ,
Subject
Human medicine
Source (journal)
Neurogastroenterology and motility / European Gastrointestinal Motility Society. - Cambridge, Mass., 1994, currens
Volume/pages
28(2016) :2 , p. 260-265
ISSN
1350-1925
ISI
000368818100012
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Background According to the Chicago classification of esophageal motility disorders, distal esophageal spasm (DES) is defined as premature esophageal contractions (distal latency [DL] < 4.5s) for >= 20% of swallows, in the presence of a normal mean integral relaxation pressure (IRP). However, some patients with symptoms of DES have rapid contractions with a normal DL. The aim of this study was to characterize these patients and compare their clinical characteristics to those of patients classified as DES. Methods We retrospectively compared clinical characteristics and high-resolution manometry findings of patients with rapid contractions with normal latency to those meeting the Chicago classification criteria for DES. Key Results Over a 3-year period, nine patients were diagnosed with DES and 14 showed rapid contractions in the distal esophagus with normal latency. The latter were younger than DES patients (60 +/- 4 vs 72 +/- 3years, p < 0.05). Dysphagia and retrosternal pain occurred to a similar degree in both groups. Weight loss and abnormal barium esophagogram tended to be more frequent in DES patients. There was no difference in contractile front velocity (CFV) and in distal contractile integral (DCI) between patients with DES and rapid contractions with normal latency. Lower esophageal sphincter pressures were not different between groups. However, IRP was significantly higher in DES compared to rapid contractions with normal latency (11.7 +/- 0.6 mmHg vs 7.6 +/- 1.2mmHg, p <0.05), albeit still within the normal range. Conclusions & InferencesThese data suggest that patients with simultaneous contractions with normal latency represent a group of patients with many features similar to DES.
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