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An Expansible Aortic Ring in Aortic Root Remodeling: Exact Position, Pulsatility, Effectiveness, and Stability in Three-Dimensional CT Study  Tomas Holubec,

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Presentation on theme: "An Expansible Aortic Ring in Aortic Root Remodeling: Exact Position, Pulsatility, Effectiveness, and Stability in Three-Dimensional CT Study  Tomas Holubec,"— Presentation transcript:

1 An Expansible Aortic Ring in Aortic Root Remodeling: Exact Position, Pulsatility, Effectiveness, and Stability in Three-Dimensional CT Study  Tomas Holubec, MD, PhD, Kai Higashigaito, MD, Zdenek Belobradek, MD, Martin Dergel, MD, Jan Harrer, MD, PhD, Hatem Alkadhi, MD, EBCR, Pavel Zacek, MD, PhD, Jan Vojacek, MD, PhD  The Annals of Thoracic Surgery  Volume 103, Issue 1, Pages (January 2017) DOI: /j.athoracsur Copyright © 2017 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Illustration showing the anatomy of the aortic root from (A) outside and from (B) inside. Continuous red line represents the aortic (annular) base and dashed blue line represents the ventriculo-aortic junction and annuloplasty ring plane, respectively. The Annals of Thoracic Surgery  , 83-90DOI: ( /j.athoracsur ) Copyright © 2017 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 CT images of a reconstructed double oblique transverse view of the aortic (annular) base in systole (upper row) and diastole (lower row) of one patient performed (A, D) preoperatively, (B, E) postoperatively, and (C, F) in the follow-up period. The images include measurements of diameter (maximal and minimal), perimeter, and area of the aortic base. The Annals of Thoracic Surgery  , 83-90DOI: ( /j.athoracsur ) Copyright © 2017 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 (A) Computer-assisted design three-dimensional (3D) reconstruction showing position of the implanted external aortic annuloplasty ring (Extra-Aortic; Coronéo, Inc, Montreal, Quebec, Canada) in relation to the aortic base derived from the computed tomography (CT) measurements. (B) Lateral view of the 3D reconstruction depicting height differences (mm) between plane of the ring seating (annuloplasty ring base) and aortic base. (C) 3D volume-rendered CT reconstruction of the aortic root after remodeling and aortic ring annuloplasty. (D) Fused image of the 3D volume-rendered CT reconstruction of the aortic root after remodeling with aortic ring annuloplasty and the illustration depicting the relation of the implanted external aortic annuloplasty to the aortic base and further anatomic root structures based on the CT measurements (L = left; R = right.) The Annals of Thoracic Surgery  , 83-90DOI: ( /j.athoracsur ) Copyright © 2017 The Society of Thoracic Surgeons Terms and Conditions

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