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Article Abstract
Background: This study aimed to compare the efficacy of the Conformable TAG Thoracic Endoprosthesis (CTAG) and the Valiant Captivia System Stent Graft in thoracic endovascular aortic repair (TEVAR) for type B aortic dissection (TBAD).
Methods: TBAD patients treated from 2016 to 2022 at a Chinese tertiary center with a CTAG or Captivia stent graft were eligible for inclusion, and their data were retrospectively collected and analyzed. Intraoperative characteristics, short-term outcomes during hospitalization, mid-term outcomes during follow-up, and aortic remodeling were analyzed and compared between 2 groups.
Results: In total, the study included 617 patients (372 CTAG and 245 Captivia). The baseline characteristics of both groups were comparable. Procedural details showed that the CTAG group had larger stent diameter (P < 0.001) and higher oversize ratio (P < 0.001) than the Captivia group and led to less intraoperative type I endoleak cases (P = 0.01). Complications during hospitalization, especially stroke, occurred more commonly in the Captivia group (P = 0.033). Mid-term outcomes, including readmission rate and aortic-related mortality, were comparable between the 2 groups. And CTAG performed better in aortic remodeling with higher expansion rate of true lumen than Captivia in the stented segment of aorta (P < 0.001).
Conclusion: Both CTAG and Captivia offered comparable and favorable mid-term survival rates and freedom from readmission in patients with TBAD. CTAG performed better during TEVAR operations and in short-term outcomes, including reducing intraoperative type I endoleak and avoiding complications during hospitalization. In addition, CTAG achieved an improved aortic remodeling effect in expanding the true lumen of aorta.
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| http://dx.doi.org/10.1016/j.avsg.2025.06.002 | DOI Listing |
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