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KMID : 1812020200260020224
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Journal of Neurogastroenterology and Motility
2020 Volume.26 No. 2 p.224 ~ p.231
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Gastroesophageal Reflux Disease Is Not Associated With Jackhammer Esophagus: A Case-control Study
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Woo Matthew
Liu Andy
Wilsack Lynn
Li Dorothy
Gupta Milli
Nasser Yasmin
Buresi Michelle
Curley Michael
Andrews Christopher N.
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Abstract
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Background/Aims: The pathophysiology of jackhammer esophagus (JE) remains unknown but may be related to gastroesophageal reflux disease or medication use. We aim to determine if pathologic acid exposure or the use of specific classes of medications (based on the mechanism of action) is associated with JE.
Methods: High-resolution manometry (HRM) studies from November 2013 to March 2019 with a diagnosis of JE were identified and compared to symptomatic control patients with normal HRM. Esophageal acid exposure and medication use were compared between groups. Multivariate regression analysis was performed to look for predictors of mean distal contractile integral.
Results: Forty-two JE and 127 control patients were included in the study. Twenty-two (52%) JE and 82 (65%) control patients underwent both HRM and ambulatory pH monitoring. Two (9%) JE patients and 14 (17%) of controls had evidence of abnormal acid exposure (DeMeester score > 14.7); this difference was not significant (P = 0.290). Thirty-six (86%) JE and 127 (100%) control patients had complete medication lists. Significantly more JE patients were on long-acting beta agonists (LABA) (JE = 5, control = 4; P = 0.026) and calcium channel blockers (CCB) (JE = 5, control = 3; P = 0.014). Regular opioids (β = 0.298, P = 0.042), CCB (β = 0.308, P = 0.035), and inhaled anticholinergics (β = 0.361, P = 0.049) predicted mean distal contractile integral (R2 = 0.082, F = 4.8; P = 0.003).
Conclusions: Pathologic acid exposure does not appear to be associated with JE. JE patients had increased CCB and LABA use. The unexpected finding of increased LABA use warrants more investigation and may provide support for a cholinergic etiology of JE.
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KEYWORD
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Gastroesophageal reflux, Humans, Manometry
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