Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model
Numerical analysis was performed for the effect of the venous anastomosis angle in a forearm arteriovenous graft for hemodialysis using a multiphase blood model. The geometry of the blood vessel was generated based on the patient-computed tomography data. The anastomosis angles were set at 15°, 30°,...
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MDPI AG
2021-09-01
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| Online Access: | https://www.mdpi.com/2076-3417/11/17/8160 |
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| author | Ji Tae Kim Hyangkyoung Kim Hong Sun Ryou |
| author_facet | Ji Tae Kim Hyangkyoung Kim Hong Sun Ryou |
| author_sort | Ji Tae Kim |
| collection | DOAJ |
| description | Numerical analysis was performed for the effect of the venous anastomosis angle in a forearm arteriovenous graft for hemodialysis using a multiphase blood model. The geometry of the blood vessel was generated based on the patient-computed tomography data. The anastomosis angles were set at 15°, 30°, and 45°. The hematocrit was set at 34%, 45%, and 58%. The larger anastomosis angle, high wall shear stress area >11 Pa, increases to the side of the vein wall away from the anastomosis site. Further, the relatively low wall shear stress area, <3 Pa, occurs near the anastomosis site in larger anastomosis angles. Therefore, the effect of high wall shear stress has advantages in the vicinity of the anastomosis, as the anastomosis angle is larger, but disadvantages as the distance from the anastomosis increases. Moreover, patients with low hematocrit are advantageous for WSS area. |
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| id | doaj.art-06b94c4c447b4b2cb666e5a482c263aa |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T08:15:17Z |
| publishDate | 2021-09-01 |
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| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-06b94c4c447b4b2cb666e5a482c263aa2023-11-22T10:22:33ZengMDPI AGApplied Sciences2076-34172021-09-011117816010.3390/app11178160Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood ModelJi Tae Kim0Hyangkyoung Kim1Hong Sun Ryou2School of Mechanical Engineering, Chung-Ang University, Seoul 06974, KoreaAsan Medical Center, Department of Surgery, Division of Vascular Surgery, College of Medicine, University of Ulsan, Seoul 05505, KoreaSchool of Mechanical Engineering, Chung-Ang University, Seoul 06974, KoreaNumerical analysis was performed for the effect of the venous anastomosis angle in a forearm arteriovenous graft for hemodialysis using a multiphase blood model. The geometry of the blood vessel was generated based on the patient-computed tomography data. The anastomosis angles were set at 15°, 30°, and 45°. The hematocrit was set at 34%, 45%, and 58%. The larger anastomosis angle, high wall shear stress area >11 Pa, increases to the side of the vein wall away from the anastomosis site. Further, the relatively low wall shear stress area, <3 Pa, occurs near the anastomosis site in larger anastomosis angles. Therefore, the effect of high wall shear stress has advantages in the vicinity of the anastomosis, as the anastomosis angle is larger, but disadvantages as the distance from the anastomosis increases. Moreover, patients with low hematocrit are advantageous for WSS area.https://www.mdpi.com/2076-3417/11/17/8160anastomosis anglearteriovenous graftwall shear stresshematocrithemodialysis |
| spellingShingle | Ji Tae Kim Hyangkyoung Kim Hong Sun Ryou Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model Applied Sciences anastomosis angle arteriovenous graft wall shear stress hematocrit hemodialysis |
| title | Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model |
| title_full | Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model |
| title_fullStr | Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model |
| title_full_unstemmed | Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model |
| title_short | Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model |
| title_sort | hemodynamic analysis on the anastomosis angle in arteriovenous graft using multiphase blood model |
| topic | anastomosis angle arteriovenous graft wall shear stress hematocrit hemodialysis |
| url | https://www.mdpi.com/2076-3417/11/17/8160 |
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