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- W3204304864 abstract "Lower esophageal sphincter (LES) plays a key role in gastroesophageal reflux disease (GERD) pathogenesis. In retroflexion and under sufficient insufflation, it can be seen how the lower esophagus grasps the endoscope, which we named scope holding sign (SHS). This study aimed to compare the SHS and LES pressure on high-resolution manometry (HRM), to elucidate whether the sphincter can be visualized endoscopically.This was a single-center, prospective pilot study. Patients with symptoms of GERD, who underwent endoscopy and HRM between February 2021 and April 2021, were included. A manometry catheter and an ultra-slim endoscope were inserted, and the resting LES pressure was measured. The lower esophagus holding (SHS-positive) and releasing (SHS-negative) the endoscope and catheter were observed. The LES pressures during SHS-positive and SHS-negative were compared.Eleven patients (median age: 57 years; eight men) with normal esophageal motility were analyzed. The median LES pressure in SHS-positive was significantly higher than the resting LES pressure (40.4 [22.9-74.0] vs. 25.9 [2.0-66.7] mm Hg; p = 0.001) and the LES pressure in SHS-negative (4.6 [1.5-9.3]; p = 0.001). Furthermore, the LES pressure in SHS-negative was significantly lower than the resting LES pressure (4.6 [1.5-9.3] vs. 25.9 [2.0-66.7] mm Hg; p = 0.005).This study demonstrated that the SHS parallels LES pressure, indicating that the sphincter can be observed endoscopically. This may enable us to evaluate LES function during endoscopy in patients with GERD, thus, deserving further evaluation in future studies." @default.
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- W3204304864 date "2021-09-20" @default.
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- W3204304864 title "Comparison of scope holding sign on endoscopy and lower esophageal sphincter contraction on high‐resolution manometry: A pilot study" @default.
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- W3204304864 doi "https://doi.org/10.1002/deo2.50" @default.
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