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Updated: Jun 15, 2026
09:55
Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis
Published on: October 25, 2024
914
Aortic root rotation: morphological analysis of the aortic root with three-dimensional computed tomography
Jules Miazza1, David Winkel2, Florian Thieringer3,4
1Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland.
Summary
Aortic root rotation, assessed via computed tomography, reveals common clockwise positioning in 40.4% of patients. Understanding this spatial anatomy aids aortic root surgery decisions.
Area of Science:
- Cardiovascular Anatomy
- Medical Imaging
Background:
- The spatial morphology and rotation of the aortic root (AoR) are crucial for surgical planning but lack detailed description.
- Understanding AoR rotation is vital for optimizing outcomes in AoR surgery.
Purpose of the Study:
- To provide a detailed spatial anatomy of AoR rotation.
- To investigate the relationship between AoR rotation and surrounding cardiac structures.
Main Methods:
- Assessed AoR rotation and surrounding structures in 104 patients with tricuspid aortic valves using multidetector row computed tomography.
- Defined intermediate, clockwise, and counterclockwise AoR rotations using the interatrial septum as a reference landmark.
Main Results:
- AoR rotation was successfully assessed in all 104 patients.
- Normal AoR positioning was observed in 53.8% of cases.
- Clockwise AoR rotation occurred in 40.4% of cases, with specific sinus positioning relative to the tricuspid valve and right atrium.
- Counterclockwise AoR rotation was noted in 5.8% of cases, with distinct sinus placement over the tricuspid valve.
Conclusions:
- Multidetector row computed tomography is effective for diagnosing AoR rotation.
- Knowledge of AoR rotational anatomy improves surgical decision-making for AoR reconstruction.
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