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  • Title: Surgical Outcomes of Stent-Related Type A Dissection Compared with Spontaneous Type A Dissection.
    Author: An Z, Tan MW, Yu SY, Ma Y, Lu FL, Xu ZY.
    Journal: Ann Thorac Cardiovasc Surg; 2020 Oct 21; 26(5):270-275. PubMed ID: 32161198.
    Abstract:
    OBJECTIVE: Aortic endovascular stent implantation includes thoracic endovascular aortic repair (TEVAR), hybrid aortic repair (HAR), and ascending aorta stent implantation (AASI). In this study, we compared the surgical outcomes of stent-related type A dissection (SRTAD) compared with spontaneous type A dissection (STAD). METHODS: From July 2011 to July 2014, we identified 17 SRTAD patients received surgical repair in our institution. Propensity score-matching was used to identify 34 STAD patients as controls. RESULTS: Preoperative data of SRTAD group and STAD group had no statistical difference. Selective cerebral perfusion (SCP) time was longer in SRTAD group than in STAD group (P <0.05). SRTAD group had a longer cross-clamp time compared with STAD group (P <0.05). No intraoperative deaths in two groups. No differences in CPB time and concomitant procedures between two groups. In-hospital mortality was 11.76% (2 of 17) in SRTAD group and 2.9% (1 of 34) in STAD group (P <0.05). No differences were found in intensive care unit (ICU) time, ventilation, paraparesis, and other postoperative complications between SRTAD and STAD groups. No difference was found in survival rate between SRTAD and STAD groups in the postoperative 1-year follow-up. CONCLUSIONS: SRTAD patients received surgical repair had a higher in-hospital mortality compared with STAD, but no differences were found in postoperative complications and mid-term outcomes.
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