Jae-Ik Lee, MD, PhD, Sunghoon Choi, MS, Jaeyong Sung, PhD

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Presentation transcript:

A Flow Visualization Model of Gastric Emptying in the Intrathoracic Stomach After Esophagectomy Jae-Ik Lee, MD, PhD, Sunghoon Choi, MS, Jaeyong Sung, PhD The Annals of Thoracic Surgery Volume 91, Issue 4, Pages 1039-1045 (April 2011) DOI: 10.1016/j.athoracsur.2010.12.035 Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 Averaging the course of the gastric tube. Bold lines represent the average of centroids (x, y) of 5 gastric tubes according to the vertical position (z). (A) x; (B) y. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 2 (A) Virtual three-dimensional design of the gastric tube model. (B) Tube models with 3 diameters of 20, 40, and 60 mm. (C) Two types of pylorus model that has pyloric opening of the diameters of 7.5 and 15 mm. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 3 (A) Gastric tube model connected to the pylorus model. (B) Schematic drawing of the model. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 4 Mean gastric emptying time according to the diameter of gastric tube (small pylorus—no resistance setting). Data are presented with the standard deviation. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 5 Mean gastric emptying time according to the diameter of gastric tube (large pylorus—no resistance setting). Data are presented with the standard deviation. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 6 Mean gastric emptying time according to the diameter of gastric tube (small pylorus—resistance setting). Data are presented with the standard deviation. The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions

Fig 7 Mean gastric emptying time according to the diameter of gastric tube (Large pylorus—resistance setting). The Annals of Thoracic Surgery 2011 91, 1039-1045DOI: (10.1016/j.athoracsur.2010.12.035) Copyright © 2011 The Society of Thoracic Surgeons Terms and Conditions