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Updated: Feb 11, 2026

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
Published on: June 3, 2018
Transcatheter aortic valve implantation: current status and future perspectives
T J Cahill1, M Chen2, K Hayashida3
1Oxford Heart Centre, Oxford University Hospitals, John Radcliffe Hospital, Headley Way, Oxford, UK.
Transcatheter aortic valve implantation (TAVI) is now a standard treatment for aortic valve replacement, with reduced complications and expanding use in lower-risk patients. Ongoing research and new devices aim to further broaden TAVI indications.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Medical Devices
Background:
- Transcatheter aortic valve implantation (TAVI) has evolved significantly over 16 years.
- It is now a routine procedure for aortic valve replacement, often done with conscious sedation and transfemoral access.
Purpose of the Study:
- To review recent advancements in TAVI.
- To discuss new devices and current guidelines for TAVI use.
- To identify remaining uncertainties in the field.
Main Methods:
- Review of clinical experience and procedural simplification.
- Analysis of outcome data from major trials (e.g., PARTNER 2A, SURTAVI).
- Examination of evolving valve designs and delivery systems.
Main Results:
- TAVI complication rates have dramatically decreased.
- Evidence supports TAVI for intermediate-risk patients.
- The procedure is increasingly transitioning to lower-risk populations.
Conclusions:
- TAVI has matured into a reliable aortic valve replacement strategy.
- Further expansion of TAVI indications to younger, asymptomatic, and lower-risk populations is anticipated.
- Continued research is necessary to address remaining questions and optimize TAVI outcomes.
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