Related Experiment Video
Updated: Aug 1, 2026
09:57
Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement
Published on: January 20, 2022
2.7K
Three-Dimensional Characterization of Aortic Root Motion by Vascular Deformation Mapping
Taeouk Kim1, Nic S Tjahjadi2, Xuehuan He3
1Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
Journal of Clinical Medicine
|July 14, 2023
Summary
A novel 3D technique reveals distinct aortic root motion patterns in patients with aortic disease. These findings, particularly in the repair group, offer new insights into aortic mechanics and disease progression.
Area of Science:
- Cardiovascular Imaging
- Biomechanical Engineering
- Medical Physics
Background:
- Aortic root motion is crucial for cardiovascular health.
- Current 2D methods lack detailed 3D motion analysis.
- Aortic root motion may indicate disease progression.
Purpose of the Study:
- To introduce vascular deformation mapping (VDM(D)) for 3D aortic root motion analysis.
- To compare 3D aortic root motion in non-aneurysmal, TAA, Marfan, and repaired aortic conditions.
- To correlate aortic root motion with clinical parameters.
Main Methods:
- Utilized dynamic computed tomography angiography (CTA).
- Applied vascular deformation mapping (VDM(D)) for 3D motion extraction.
- Quantified displacement, area ratio, distensibility, tilt, rotation, and LV/Ao angles.
Main Results:
- The repair group exhibited reduced displacement, rotation, and distensibility.
- Marfan group showed significant heterogeneity in motion and age.
- A strong correlation was found between LV/Ao angle and axial/in-plane displacement.
Conclusions:
- VDM(D) provides comprehensive 3D aortic root motion analysis.
- Distinct motion patterns are observed across different aortic conditions.
- 3D motion analysis can refine biomechanical models for aortic disease.
Related Concept Videos
01:29Blood Flow
Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
01:17Veins
Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood.
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
01:04Venous Return
The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system as it...
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system as it...
01:20Anatomy of Blood Vessels
The vascular system, an integral part of the circulatory system, comprises various blood vessels that play crucial roles in maintaining the body's homeostasis. These blood vessels form a complex and efficient circulatory network. The three primary categories of blood vessels are the arteries, veins, and capillaries.
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...