4.4 Article

Jackhammer esophagus: Clinical presentation, manometric diagnosis, and therapeutic results-Results from a multicenter French cohort

Journal

NEUROGASTROENTEROLOGY AND MOTILITY
Volume 32, Issue 11, Pages -

Publisher

WILEY
DOI: 10.1111/nmo.13918

Keywords

chest pain; dysphagia; high-resolution manometry; jackhammer esophagus

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Background/aims Jackhammer esophagus (JE) is a hypercontractile esophageal motor disorder defined by at least two swallows with a distal contractile integral (DCI) >8000 mm Hg.s.cm during high-resolution manometry (HRM). The relationship between symptoms and hypercontractility and the response to therapies have been poorly evaluated. The aim of this study was to determine the clinical presentation, manometric diagnosis, and therapeutic results in a large cohort of JE patients. Methods Patients with JE diagnosed among the HRM tests performed in nine academic French centers from 01/01/2010 to 08/31/2016 were included. Patient charts were reviewed to collect clinical and therapeutic data. Results Among the 16 264 HRM tests performed during this period, 227 patients (60.8 +/- 13.8 years, 151 male) had JE (1.7%). Dysphagia was the most frequent symptom (74.6%), followed by regurgitation (37.1%) and chest pain (36.6%); 4.7% of the patients were asymptomatic. The diagnostic workup was heterogeneous, and only a minority of patients had esophageal biopsies. None of the individual symptoms were significantly associated with any of the manometric parameters defined, except for dysphagia, which was significantly associated with the mean of all DCIs >8000 mm Hg.s.cm (P = .04). Additionally, the number of symptoms was not associated with any manometric parameter. Medical treatment and endoscopic treatments had poor efficacy and a high relapse rate. Conclusion Jackhammer esophagus is a rare motility disorder. Diagnostic workup is heterogeneous and should be standardized. Symptoms are poorly associated with manometric parameters. The medical treatments and endoscopic therapies currently used are inefficient.

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