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Updated: Jul 17, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
[Evaluation of regional wall movement abnormalities in coronary artery disease by quantitative tissue velocity
Yi-lan Zhao1, Ying-zhong Lin, Hong Li
1Department of Cardiology, People's Hospital of Guangxi, Nanning 530021, China. zhaoyilan1023@yahoo.com.cn
Insights
Quantitative tissue velocity imaging (QTVI) effectively detects regional wall motion abnormalities in coronary artery disease (CAD) patients. This non-invasive method shows significant velocity differences between normal and diseased heart segments.
Area of Science:
- Cardiology
- Medical Imaging
- Diagnostic Techniques
Background:
- Coronary artery disease (CAD) often causes regional wall motion abnormalities.
- Accurate detection of these abnormalities is crucial for diagnosing and managing CAD.
Purpose of the Study:
- To assess the clinical utility of quantitative tissue velocity imaging (QTVI) for identifying regional wall motion abnormalities in CAD patients.
- To determine if QTVI can provide sensitive and quantitative evaluations for non-invasive CAD diagnosis.
Main Methods:
- Left ventricular segmental wall motion velocity was measured using QTVI.
- 45 healthy individuals and 48 patients with diagnosed CAD were included in the study.
- QTVI parameters were analyzed and compared between the two groups.
Main Results:
- Abnormal segmental movements in CAD patients exhibited velocity decrements and waveform alterations.
- Significant differences in velocity were observed between normal and abnormal heart segments.
- QTVI parameters effectively distinguished between healthy and diseased segments.
Conclusions:
- QTVI demonstrates significant value in the quantitative and sensitive evaluation of regional wall motion abnormalities.
- QTVI serves as a valuable non-invasive tool for the diagnosis of coronary artery disease.
- The findings support the clinical application of QTVI in cardiology.
Objective:
To evaluate the clinical value of quantitative tissue velocity imaging (QTVI) in detection of regional wall movement abnormalities in patients with coronary artery disease (CAD).
Methods:
The segmental left ventricular wall motion velocity was measured in 45 normal subjects and 48 patients with CAD, and the parameters of QTVI were analyzed between the two groups.
Results:
Velocity decrement and wave form alterations were shown in abnormal segmental movements in the CAD group. There were obvious differences in the velocity between normal and abnormal segment.
Conclusion:
QTVI is valuable in quantitative and sensitive evaluation of regional wall movement abnormalities for non-invasive diagnosis of CAD.
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