A study of aortic dimension in type B aortic dissection

Interactive Cardiovascular and Thoracic Surgery
Shang Dong XuZhao Guang Zhang

Abstract

Difference between arch diameter and true lumen diameter in the descending aorta was studied in patients with type B aortic dissection. The diameters of the aortic arch (Proximal ) and mid-descending aorta (Distal ) were measured on computer tomography angiography (CTA) in 20 healthy adults. Forty-two patients with type B aortic dissection who underwent endovascular repair were divided into two groups: an acute group (23 patients) and a chronic group (19 patients). The diameters of the arch (Proximal ) and the true lumen of the mid-descending aorta (Distal ) were measured on digital subtraction angiography (DSA) and CTA. The taper ratio was defined as (Proximal -Distal )/(Proximal )x100%. In the control group, the taper ratio was 13.0+/-4.7% on CTA. In the acute patients group, the taper ratio was 23.6+/-11.3% on DSA and 21.9+/-12.1% on CTA. In the chronic patients group, the taper ratio was 31.5+/-13.6% on DSA and 30.1+/-11.4% on CTA. In both acute and chronic type B aortic dissection, the aorta tapers significantly from arch to true lumen in the descending aorta. Stent-graft with tapered design may be a viable treatment option for endovascular repair of type B aortic dissection.

Citations

Apr 16, 2013·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Jian Feng LiuTatsuo Yamakawa
May 26, 2015·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Hung-Tao ChouChia-Hsun Lin
Jun 25, 2016·Expert Review of Cardiovascular Therapy·Vikalp JainRaghuveer Vallabhaneni
Nov 17, 2009·The Journal of Thoracic and Cardiovascular Surgery·Shang Dong XuZhao Guang Zhang
Aug 8, 2009·The Journal of Thoracic and Cardiovascular Surgery·Jiang XiongXin-Yuan Tong
Sep 15, 2016·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Qinglong ZengLianjun Huang
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May 22, 2018·The Journal of Cardiovascular Surgery·Anne BurdessAnders Wanhainen
Sep 8, 2020·ANZ Journal of Surgery·Bijit MunshiPaul E Norman
Mar 30, 2017·Experimental and Therapeutic Medicine·Dong LuXing-Ming Zhang
Jul 23, 2019·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Hui-Qiang GaoLi-Zhong Sun

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