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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Retrograde Type A Aortic Dissection after Thoracic Endovascular Aortic Repair: Incidence, Time Trends and Risk
Lixin Wang1, Yufei Zhao2, Wei Zhang2
1Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China; Vascular Surgery Institute of Fudan University, Shanghai, China; Department of Vascular Surgery, Xiamen Branch, Zhongshan hospital, Fudan University, Xiamen, China.
Abstract:
To review the incidence of retrograde type A aortic dissection (RTAD) after thoracic endovascular aortic repair (TEVAR) of patients with type B aortic dissection, and to investigate its time trends and underlying risk factors. The incidence rate of RTAD after TEVAR for type B aortic dissection was gathered as a cumulative pool for each year in meta-analysis. Linear regression was used to establish the temporal trend of RTAD incidence. Annual decrease rate was calculated for the fulltime frame. Sixty-six articles were included in this study, which represented 11,149 patients enrolled since 1994, and the research published between 2000 and 2019. The overall pooled rate of RTAD incidence is 2.20% (95% confidence interval 0.0162-0.0284; P < 0.0001). The incidence numbers fluctuated for many years while continuing to decline, ultimately reaching a valley in 2016-2017. The linear regression analysis identified a 0.4% decrease in incidence rate along with a declining oversize rate of stent-grafts. The overall average incidence of RTAD in the past 21 years was 2.2%. The downward incidence trend may be attributed to the lower oversize rate and the improved design of stent-grafts, as well as sophisticated manipulation and delayed TEVAR intervention.
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