单分支主动脉覆膜支架修复伴锚定区不足的急性Stanford B型夹层:附8例报告
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1.昆明医科大学附属心血管病医院/云南省阜外心血管病医院,血管外科,云南 昆明 650032;2.昆明医科大学附属心血管病医院/云南省阜外心血管病医院,放射影像科,云南 昆明 650032

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朱凡,昆明医科大学附属心血管病医院/云南省阜外心血管病医院主治医师,主要从事主动脉基础与临床方面的研究。

基金项目:

心血管疾病国家重点实验室开放基金资助项目(2019kfyf-03,2019kfyf-04);云南省应用基础研究昆医联合专项基金资助项目[2019FE001(-109)];云南省科技厅基础研究专项基金资助项目(007214559032)。


Single-branched stent graft for repair of Stanford B aortic dissections with inadequate landing zone: a report of 8 cases
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1.Department of Vascular Surgery, Affiliated Hospital of Kunming Medical University/Fuwai Yunnan Cardiovascular Hospital, Kunming 650032, China;2.Department of Radiology, Affiliated Hospital of Kunming Medical University/Fuwai Yunnan Cardiovascular Hospital, Kunming 650032, China

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    摘要:

    背景与目的 单分支型主动脉覆膜支架及其传输系统是近年国内研发的新型支架系统,适用于锚定区不足的主动脉夹层,是累及左锁骨下动脉(LSA)主动脉夹层的新选择。笔者通过总结使用该支架系统行胸主动脉覆膜支架腔内隔绝术(TEVAR)治疗锚定区不足的急性Stanford B型的病例,评估其近期效果与安全性。方法 回顾性收集2019年4月—2020年1月,在云南省阜外心血管病医院血管外科采用Castor?一体化分支型主动脉覆膜支架行TEVAR的Stanford B型夹层伴锚定区不足的8例患者的临床资料。分析手术过程及围手术期并发症情况。结果 8例患者中,男7例(87.5%),女1例(12.5%);中位年龄42(33~64)岁;BMI(25.5±3.8)kg/m2。8例均成功植入支架,初始技术成功率100%,无围手术期死亡及神经系统并发症,无I型内漏。平均住院时间为(14.8±3.7)d。平均随访时间为223(60~370)d,所有主体、分支支架血管通畅、无相关I和III型内漏,无神经系统并发症,无左上肢缺血表现。结论 应用单分支覆膜支架行TEVAR治疗Stanford B型夹层伴锚定区不足是一种安全、有效的方法,中远期疗效有待随访。

    Abstract:

    Background and Aims The unibody single-branched stent graft with the delivery system is a new stent system, which is suitable for aortic dissection with inadequate proximal landing zone, and is a new choice for aortic dissection involving the left subclavian artery (LSA). Here, the authors evaluate the short-term efficacy and safety by summarizing the cases with acute Stanford B aortic dissection and insufficient proximal landing zone undergoing thoracic endovascular aortic repair (TEVAR) with unibody single-branched stent graft.Methods The clinical data of 8 patients with acute Standford B aortic dissection and insufficient landing zone undergoing TEVAR using the Castor? branched aortic stent graft in Fuwai Yunnan Cardiovascular Hospital from April 2019 to January 2020 were retrospectively collected. The surgical procedures and perioperative complications were analyzed.Results The 8 patients included 7 male cases (87.5%) and 1 female case (12.5%), with a median age of 42 (33-64) years, and BMI of (25.5±3.8) kg/m2. The stenting procedure was successfully completed in all patients, the initial technical success rate was 100%, no perioperative death or neurological complications occurred and type I endoleak was noted. The average length of hospital stay was (14.8±3.7) d. The follow-up was performed for 223(60-370) d, and all the main body and branch stent grafts were patent, no associated type I and III endoleak occurred, and no neurological complications and symptoms of left upper limb ischemia were observed.Conclusion The unibody single-branched stent graft combined TEVAR technique is a safe and effect approach for type B aortic dissection with inadequate landing zone. The mid-and long-term results still need further follow-up.

    表 2 8例患者的影像学及术中情况Table 2 The imaging findings and intraoperative variables of the 8 patients
    表 1 8例患者一般资料Table 1 The general information of the 8 patients
    图1 术前CTA显示夹层累及LSA开口,与左颈总动脉(LCCA)开口相距约1.8 cmTable 1 Preoperative CTA showing the dissection involving the opening of the LSA, at distance of 1.8 cm from the opening of the left common carotid artery (LCCA)Fig.1
    图2 术中影像 A:高压枪造影,证实真假腔;B:释放支架完毕后再次高压枪造影,第一破口被有效隔绝,无内漏产生Fig.2 Intraoperative imaging data A: High pressure syringe angiography for identification of true and false lumen; B: High pressure syringe angiography after stent deployment showing the effective occlusion of the entry tear without endoleak
    图3 术后1年复查全主动脉CTA,无内漏,分支支架通畅Fig.3 CTA of the whole aorta at 1 year after operation showing patent branch stents and absent of endoleak
    图4 1例LSA基底部较宽患者术中影像 A:释放单分支一体化支架后造影,可见内漏(黄色箭头示内漏;1:单分支一体化支架因LSA基底部较宽,形态改变);B:三叶球囊重塑支架形态(2:三叶球囊);C:再次造影,内漏消失(3: 塑形后的一体化支架)Fig.4 The intraoperative imaging data of one patient with a wide LSA base A: Angiography after deployment of the unibody stent showing the endoleak (the yellow arrows showing the endoleak; 1: morphological change of the stent due to wide LSA base); B: The stent form reshaped by trilobe balloon (2: trilobe balloon); C: Subsequent angiography showing absence of the endoleak (3: the unibody stent after shaping)
    表 3 Table 3
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朱凡,郭媛媛,李慧,郭修海,张雄,邬光敏.单分支主动脉覆膜支架修复伴锚定区不足的急性Stanford B型夹层:附8例报告[J].中国普通外科杂志,2021,30(12):1403-1410.
DOI:10.7659/j. issn.1005-6947.2021.12.003

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  • 收稿日期:2020-05-22
  • 最后修改日期:2021-02-16
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  • 在线发布日期: 2022-01-07