Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Interventional radiology in the management of complications after pancreatic surgery: a single-center experience.

Abdominal radiology (New York)·2026
Same author

Immersive Three-Dimensional Visualization as a Routine Tool for Complex Congenital Cardiac Surgical Planning: A Perspective.

Pediatric cardiology·2026
Same author

Measuring Atrioventricular Valve Regurgitation in Fontan Patients Using Cardiac MRI and the Association with Clinical Outcomes: A FORCE Study.

Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance·2026
Same author

Investigating robot control policy learning for autonomous x-ray-guided spine procedures.

International journal of computer assisted radiology and surgery·2026
Same author

Standardization of surgical gesture taxonomy: a SAGES Delphi consensus study.

Surgical endoscopy·2026
Same author

Vision-based augmented reality guidance for setting up robot-assisted spine surgery.

International journal of computer assisted radiology and surgery·2026

相关实验视频

Updated: Jun 7, 2025

Scaling of Engineered Vascular Grafts Using 3D Printed Guides and the Ring Stacking Method
09:38

Scaling of Engineered Vascular Grafts Using 3D Printed Guides and the Ring Stacking Method

Published on: March 27, 2017

8.4K

基于拉普拉斯的自动形状优化,用于患者特定的血管移植.

Milad Habibi1, Seda Aslan2, Xiaolong Liu3

  • 1Center for Risk and Reliability, Department of Mechanical Engineering, University of Maryland, College Park, MD, United States of America.

Computers in biology and medicine
|November 19, 2024
PubMed
概括

这项研究引入了一种自动化框架,用于设计针对患者的血管移植来治疗先天性心脏病. 这种新的方法优化了移植形状,大大减少了压力下降,并改善了血液流动,而不是人类设计的替代方案.

关键词:
自动形状优化自动形状优化贝叶斯的优化是贝叶斯的优化.设计优化设计优化这些TEVG是TEVG.组织工程是组织工程.

更多相关视频

Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training
09:57

Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training

Published on: January 18, 2021

4.0K
A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
07:51

A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva

Published on: January 12, 2019

6.7K

相关实验视频

Last Updated: Jun 7, 2025

Scaling of Engineered Vascular Grafts Using 3D Printed Guides and the Ring Stacking Method
09:38

Scaling of Engineered Vascular Grafts Using 3D Printed Guides and the Ring Stacking Method

Published on: March 27, 2017

8.4K
Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training
09:57

Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training

Published on: January 18, 2021

4.0K
A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva
07:51

A Novel Approach to Monitoring Graft Neovascularization in the Human Gingiva

Published on: January 12, 2019

6.7K

科学领域:

  • 生物医学工程 生物医学工程
  • 计算流体动力学的流体动力学.
  • 医疗器械设计 医疗器械设计

背景情况:

  • 先天性心脏病是新生儿死亡的主要原因.
  • 目前的组织工程血管移植往往缺乏个性化,需要广泛的手工设计.
  • 特定于患者的移植对于有效治疗大动脉缺陷至关重要.

研究的目的:

  • 开发一个计算框架,用于自动优化患者特定组织工程血管移植的形状.
  • 减少对先天性心脏病治疗的设计过程中的手动干预.
  • 改善血管移植的血液动力学性能,以修复大动脉门.

主要方法:

  • 利用一个计算框架,将贝叶斯优化与OpenFOAM和一个新的移植变形算法结合起来.
  • 采用拉普拉斯模式计算和高斯过程替代模型来实现高效的优化.
  • 用6名患有先天性心脏病的患者的成像和流量数据评估了框架.

主要成果:

  • 自动化框架成功优化了移植形状,减少了进出口压力下降 (PD) 和最大壁剪应力 (WSS).
  • 与人类优化的几何形状相比,自动化设计实现了至少16%的血流压降低.
  • 展示了在线培训和血液动力学代孕模型优化为个性化移植设计的潜力.

结论:

  • 开发的计算框架为设计特定患者的血管移植提供了一个自动化解决方案.
  • 与传统方法相比,这种方法显著提高了血液动力效率.
  • 这些发现支持使用自动化,个性化的设计来治疗先天性心脏病,降低死亡率和改善患者的治疗结果.