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Article Abstract
Background: This study is to investigate the causes, treatment methods, and preventive measures of retrograde type A aortic dissection (RAAD) complicating thoracic endovascular aortic repair (TEVAR) for type B aortic dissection (TBAD).
Methods: From January 2005 to December 2013, 360 TBAD patients receiving TEVAR were enrolled in this study. Among them, 304 cases were male and 56 cases were female. They were from 19 to 85 years old, with a mean age of 52 ± 12.8 years old. The average follow-up time was 32 ± 11.3 months (3-63 months), the follow-up rate was 69.1% (249 cases), and the lost rate was 30.9% (111 cases). The reasons and the treatment methods of RAAD complicating TEVAR for TBAD were analyzed.
Results: There were 5 cases of RAAD complicating TEVAR in TBAD (1.4%) patients, among them, 4 cases were male and 1 case was female. TEVAR operation failed in 1 case because of RAAD occurrence during TEVAR. This case was treated with open operation. In the other 4 cases, TEVAR operation was successfully carried out. During follow-up, RAAD was found in 3 cases within 1 month after TEVAR and in 1 case at 1 year after TEVAR. Conservative treatment was applied to 2 cases, whereas surgical operation treatment was performed in the other 3 cases. One case of conservative treatment patient was dead, and the other 4 cases are still alive.
Conclusions: Incomplete design of stent-graft system, rough handling and presence of vascular wall lesions are the main reasons of RAAD complicating TEVAR for TBAD. Surgical operation is the most effective treatment measure for RAAD complicating TEVAR for TBAD.
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| http://dx.doi.org/10.1016/j.avsg.2015.09.028 | DOI Listing |
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