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Endovascular repair of residual intimal tear or distal new entry after frozen elephant trunk for type A aortic dissection

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机构: [1]Capital Med Univ, Beijing Anzhen Hosp, Beijing Engn Res Ctr Vasc Prostheses, Dept Cardiovasc Surg,Beijing Aort Dis Ctr, Beijing 100029, Peoples R China; [2]Capital Med Univ, Beijing Anzhen Hosp, Dept Cardiovasc Surg, 2 Anzhen Rd, Beijing 100029, Peoples R China
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关键词: Thoracic endovascular aortic repair (TEVAR) type A aortic dissection (TAAD) frozen elephant trunk (FET) aortic arch replacement

摘要:
Background: In patients with type A dissection, residual dissection and new distal entry tears following the frozen elephant trunk (FET) procedure adversely affect long-term prognosis. Management include open and endovascular repair, while clinical experience is limited. We evaluate the efficacy of thoracic endovascular aortic repair (TEVAR) in management of residual intimal tear or distal new entry tear following FET in patients with type A aortic dissection (TAAD). Methods: Between May 2003 and April 2013, we performed FET and total arch replacement for 1,003 patients with TAAD. Among these, 23 patients (2.3%) required TEVAR for distal new entry (n=2) or residual intimal tear (n=21) at a mean of 2.0 +/- 1.6 years after FET. Mean age was 50.1 +/- 11.5 years. Marfan syndrome was seen in 2 patients (8.7%). Results: Procedural success was 100%. The distal landing zone was above the 11th thoracic vertebra (T11) in 86.9% (20/23). Neither death nor any paraplegia or stroke occurred early after TEVAR. Follow-up was complete in 100% averaging 2.8 +/- 1.7 years (0.3-6.4). One non-Marfan patient died of distal aortic rupture at 4 months after TEVAR. No late stroke or paraplegia occurred. Survival was 95.7% (95% CI, 72.9-99.4%) at 3 and 5 years, respectively. CTA detected false lumen obliteration by thrombus around the endograft in the descending aorta in 91.3% (21/23) of patients. Conclusions: These early and midterm outcomes show the efficacy of TEVAR in obliterating the residual intimal tear or distal new entry after FET in patients with TAAD. TEVAR may be an alternative approach to distal new entry or residual intimal tear following FET for patients with TAAD.

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出版当年[2016]版:
大类 | 4 区 医学
小类 | 4 区 呼吸系统
最新[2023]版:
大类 | 3 区 医学
小类 | 4 区 呼吸系统
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出版当年[2015]版:
Q3 RESPIRATORY SYSTEM
最新[2023]版:
Q3 RESPIRATORY SYSTEM

影响因子: 最新[2023版] 最新五年平均 出版当年[2015版] 出版当年五年平均 出版前一年[2014版] 出版后一年[2016版]

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第一作者机构: [1]Capital Med Univ, Beijing Anzhen Hosp, Beijing Engn Res Ctr Vasc Prostheses, Dept Cardiovasc Surg,Beijing Aort Dis Ctr, Beijing 100029, Peoples R China;
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通讯机构: [1]Capital Med Univ, Beijing Anzhen Hosp, Beijing Engn Res Ctr Vasc Prostheses, Dept Cardiovasc Surg,Beijing Aort Dis Ctr, Beijing 100029, Peoples R China; [2]Capital Med Univ, Beijing Anzhen Hosp, Dept Cardiovasc Surg, 2 Anzhen Rd, Beijing 100029, Peoples R China
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