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Updated: Apr 24, 2026

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
Published on: June 3, 2018
Multi-detector CT angiography of the aortic valve-Part 1: anatomy, technique and systematic approach to
Edward T D Hoey1, Arul Ganeshan1
1Department of Radiology, Heart of England NHS Trust, Birmingham, UK.
Insights
Multi-detector computed tomography (MDCT) provides valuable complementary information for assessing the aortic valve and adjacent structures. Radiologists should understand MDCT
Area of Science:
- Cardiovascular Imaging
- Radiology
- Thoracic Imaging
Background:
- Aortic valve assessment is crucial in thoracic imaging.
- Echocardiography and MRI are primary tools, but MDCT offers supplementary data.
- Familiarity with MDCT for aortic valve evaluation is essential for radiologists.
Purpose of the Study:
- To review the role of multi-detector computed tomography (MDCT) in aortic valve assessment.
- To highlight the indications, advantages, and limitations of MDCT for the aortic valve.
- To provide guidance on MDCT image optimization and interpretation for aortic valve pathology.
Main Methods:
- Review of current literature on MDCT for aortic valve imaging.
- Discussion of MDCT technical considerations for optimal image acquisition.
- Outline of a systematic approach to MDCT interpretation of the aortic valve.
Main Results:
- MDCT can provide valuable complementary information to echocardiography and MRI.
- Understanding MDCT's strengths and weaknesses is key for appropriate clinical use.
- Standardized interpretation protocols enhance diagnostic accuracy.
Conclusions:
- MDCT is a useful tool for evaluating the aortic valve and surrounding structures.
- Radiologists need expertise in MDCT for comprehensive thoracic imaging.
- This review aids in the effective utilization of MDCT for aortic valve pathology.
Abstract:
The aortic valve and adjacent structures should be routinely evaluated on all thoracic cross-sectional imaging studies. Echocardiography and magnetic resonance imaging (MRI) are the main imaging techniques used for assessment of the aortic valve and related pathology but multi-detector computed tomography (MDCT) can offer valuable complimentary information in some clinical scenarios. Radiologists should be familiar with the indications, advantages and limitations of MDCT for assessment of the aortic valve. This article reviews aortic valve anatomy and relevant terminology, technical aspects of MDCT image optimisation and describes a suggested approach to interpretation.
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