How to size the main aortic endograft in a chimney procedure

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Presentation transcript:

How to size the main aortic endograft in a chimney procedure Heng-Wen Chou, MD, Chih-Yang Chan, MD, PhD, Shoei-Shen Wang, MD, PhD, I-Hui Wu, MD The Journal of Thoracic and Cardiovascular Surgery Volume 147, Issue 3, Pages 1099-1101 (March 2014) DOI: 10.1016/j.jtcvs.2013.10.049 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Preoperative computed tomographic angiography demonstrates a 4.9-mm left renal artery, a 55.4-mm infrarenal abdominal aortic aneurysm, and a 5.3-mm infrarenal neck length below the left renal artery. B, The aortic segment between the left renal artery and right renal artery is 24.1 mm in width. C, Postoperative computed tomographic angiography demonstrates no endoleak in the aneurysmal sac and a patent 6-mm Viabahn chimney graft to the left renal artery, accommodated with a 28-mm Excluder main body aortic graft. The Journal of Thoracic and Cardiovascular Surgery 2014 147, 1099-1101DOI: (10.1016/j.jtcvs.2013.10.049) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Illustration shows the estimated anatomic position of the main aortic and chimney endografts. R represents the radius of the native aorta, A represents the estimated cross-sectional area of the main aortic endograft, r represents the radius of the chimney graft, and L represents the estimated perimeter of the main endograft. The Journal of Thoracic and Cardiovascular Surgery 2014 147, 1099-1101DOI: (10.1016/j.jtcvs.2013.10.049) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions