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KMID : 1812020210270030363
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Journal of Neurogastroenterology and Motility
2021 Volume.27 No. 3 p.363 ~ p.369
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Upright Integrated Relaxation Pressure Predicts Symptom Outcome for Esophagogastric Junction Outflow Obstruction
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Chen Songfeng
Liang Mengya
Tan Niandi
Zhang Mengyu
Lin Yuqing
Cao Peixian
Zhuang Qianjun
Xiao Yinglian
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Abstract
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Background/Aims: Esophagogastric junction outflow obstruction (EGJOO) is characterized by elevated integrated relaxation pressure (IRP) and preserved esophageal peristalsis. The clinical significance of EGJOO is uncertain. This study aim to describe the clinical characteristics of these patients and to find out potential parameters to predict patients’ symptom outcome.
Methods: Consecutive patients who received high-resolution manometry examination in our hospital in 2013-2019 and met the diagnostic criteria of EGJOO were retrospectively included. Motility and reflux parameters as well as endoscopy and barium esophagogram results were studied and compared. Patients were also followed up to record their treatment methods and symptom outcomes.
Results: A total of 138 EGJOO (accounting for 5.2% of total patients taking high-resolution manometry examination in our hospital) patients were included. Only 2.9% of these patients had persistent dysphagia. A total of 81.8% of EGJOO patients had symptom resolution during follow-up. Patients with persistent dysphagia had significantly higher upright IRP (16.6 [10.3, 19.8] vs 7.8 [3.2, 11.5]; P = 0.026) than those without. Upright IRP can effectively distinguished patients with persistent dysphagia (area under curve: 0.826; P = 0.026) using optimal cut-off value of 9.05 mmHg.
Conclusion: EGJOO patients with persistent dysphagia and higher upright IRP (median > 9.05 mmHg) needs further evaluation and aggressive management.
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KEYWORD
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Deglutition disorders, Esophagogastric junction, Manometry
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