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KMID : 0812020140200010074
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Korean Journal of Neurogastroenterology and Motility
2014 Volume.20 No. 1 p.74 ~ p.78
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Utilizing Intrabolus Pressure and Esophagogastric Junction Pressure to Predict Transit in Patients With Dysphagia
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Jeong Su-Hyeon
Park Moo-In
Kim Hyung-Hun
Park Seun-Ja
Moon Won
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Abstract
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Background/Aims: High-resolution manometry (HRM), with a greatly increased number of recording sites and decreased spacing between sites, al-lows evaluation of the dynamic simultaneous relationship between intrabolus pressure (IBP) and esophagogastric junction (EGJ) relaxation pressure. We hypothesized that bolus transit may occur when IBP overcomes integrated relaxation pressure (IRP) and analyzed the relationships between peristalsis pattern and the discrepancy between IBP and IRP in patients with dysphagia.
Methods: Twenty-two dysphagia patients with normal EGJ relaxation were examined with a 36-channel HRM assembly. Each of the 10 examinations was performed with 20 and 30 mmHg pressure topography isobaric contours, and findings were categorized based on the Chicago classification. We analyzed the relationships between peristalsis pattern and the discrepancy between IBP and IRP.
Results: Twenty-two patients were classified by the Chicago classification: 1 patient with normal EGJ relaxation and normal peristalsis, 8 patients with intermittent hypotensive peristalsis and 13 patients with frequent hypotensive peristalsis. A total of 220 in-dividual swallows were analyzed. There were no statistically significant relationships between peristalsis pattern and the dis-crepancy between IBP and IRP on the 20 or 30 mmHg isobaric contours.
Conclusions: Peristalsis pattern was not associated with bolus transit in patients with dysphagia. However, further controlled studies are needed to evaluate the relationship between bolus transit and peristalsis pattern using HRM with impedance.
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KEYWORD
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Esophageal motility disorder, Manometry, Peristalsis
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