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. 2017 Jan 1;23(1):34–40. doi: 10.5056/jnm16028

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© 2017 The Korean Society of Neurogastroenterology and Motility

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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The relationship between high-resolution manometry (HRM) spatiotemporal plot and video fluoroscopic swallowing study (VFSS) findings in patients with dysphagia. (A) A1 shows weak mesopharyngeal contractility on HRM, and isobaric contours generated from MATLAB program (muscular contraction ≥ 70 mmHg) (A2). (B) B1 shows weak hypopharyngeal contractility on HRM and isobaric contour generated from MATLAB program (B2), which was associated with the presence of residue in the pyriform sinus (black arrow) on VFSS (B3). (C) C1 shows shortened relaxation time interval of the upper esophageal sphincter on HRM and isobaric contour generated from MATLAB program (C2).