• J. Thorac. Cardiovasc. Surg. · Jun 2010

    Early and midterm results of thoracic endovascular aortic repair of chronic type B aortic dissection.

    • Shang Dong Xu, Fang Jiong Huang, Jin Fei Yang, Zhi Zhong Li, Sheng Yang, Jia Hui Du, and Zhao Guang Zhang.
    • Division of Cardiac Surgery, Beijing Institute of Heart, Lung & Vascular Diseases, Capital Medical University, Beijing Anzhen Hospital, Beijing 100029, China. xushangdong@vip.sina.com
    • J. Thorac. Cardiovasc. Surg. 2010 Jun 1;139(6):1548-53.

    ObjectiveThe optimal treatment for chronic type B dissection remains controversial. This study reports early and midterm results of thoracic endovascular aortic repair for chronic type B aortic dissection.MethodsFrom June 2001 to September 2007, a total of 84 patients with chronic type B aortic dissection underwent thoracic endovascular aortic repair. The time between onset of dissection and thoracic endovascular aortic repair was 13.9 +/- 22.0 months (range, 1-120 months). All patients were followed up from 6 to 86 months (mean, 33.2 +/- 19.2 months).ResultsThe entry tear was completely sealed in 77 cases (91.7%) during thoracic endovascular aortic repair. The incidence of incomplete seal was 8.3%. The 1-month mortality was 1.2%. One patient had retrograde type A dissection 1 month after the operation. Four patients underwent a second thoracic endovascular aortic repair during follow-up, for endoleak in 3 patients and for newly formed intimal tear in 1 patient. Seven patients (8.3%) died during follow-up. Three died of rupture of the thoracic aorta because of endoleak. The Kaplan-Meier actuarial survival curve showed a 5-year survival of 84.4%. At 5 years, 75.2% of patients were alive with neither endoleak nor reintervention.ConclusionsEarly and midterm results show that thoracic endovascular aortic repair was effective in the treatment of chronic type B aortic dissection. Endoleak was the main cause of death during follow-up. With increased surgical experience and refinement of the stent graft, results are likely to improve in the future.Copyright 2010 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

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