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Updated: Jan 17, 2026
06:59
Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
Published on: June 3, 2018
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Preoperative Computed Tomography is Associated with Reduced In-Hospital Complications in Aortic Valve Surgery
Liliane Zillner1, Julian Heidtmann1, Markus Mach1
1Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria.
The Thoracic and Cardiovascular Surgeon
|September 24, 2025
Summary
Preoperative computed tomography (CT) significantly reduces in-hospital complications for surgical aortic valve replacement (SAVR) patients. Incorporating CT into planning enhances outcomes and enables personalized surgical strategies.
Area of Science:
- Cardiovascular Surgery
- Medical Imaging
- Health Outcomes Research
Background:
- Surgical aortic valve replacement (SAVR) is a common procedure.
- Minimizing complications in SAVR is crucial for patient outcomes.
- Preoperative imaging plays a role in surgical planning.
Purpose of the Study:
- To evaluate the effectiveness of preoperative computed tomography (CT) in reducing complications during SAVR.
- To assess the impact of CT on surgical strategy and patient outcomes.
Main Methods:
- A retrospective study of 359 SAVR patients from 2013-2015.
- Comparison of outcomes between patients who underwent preoperative CT and those who did not.
- Analysis of in-hospital complications, surgical adaptations, and potential shifts to interventional therapy.
Main Results:
- Patients with preoperative CT (n=305) had significantly fewer in-hospital complications (17%) compared to the non-CT group (n=54, 32%; p=0.016).
- The CT group experienced a 15% absolute risk reduction in complications.
- Number needed to treat with CT to avoid one complication was 7.
Conclusions:
- Preoperative CT is associated with reduced in-hospital complications in SAVR.
- CT imaging aids in personalized surgical planning and can facilitate decisions regarding transcatheter interventions.
- Routine use of CT in preoperative assessment is recommended to improve SAVR patient outcomes.
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