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Treatment of Stanford type A aortic dissection with triple pre-fenestration, reduced diameter, and three-dimensional-printing techniques: A case report.

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Treatment of Stanford type A aortic dissection with triple pre-fenestration, reduced diameter, and three-dimensional-printing techniques: A case report.

World J Clin Cases. 2021 Jan 06;9(1):183-189

Authors: Zhang M, Tong YH, Liu C, Li XQ, Liu CJ, Liu Z

Abstract
BACKGROUND: A 63-year-old female was diagnosed with acute Stanford type A aortic dissection. The patient had pain in the chest and back for 1 wk. The computed tomography angiography (CTA) showed Stanford type A aortic dissection (Myla type III aortic arch). The intimal tear was located at the top of the aortic arch and retrograded to the ascending aorta.
CASE SUMMARY: Preoperatively, a three-dimensional (3D)-printed model of the aortic arch was made according to CTA data. Then, under the guidance of the 3D-printed aortic model, a pre-fenestrated stent-graft was customized, and the diameter of the stent-graft was reduced intraoperatively by surgeons. 3D printing, triple pre-fenestration, and reduced diameter techniques were used during the surgery. The CTA examinations were performed at the 3rd mo and 1st year after the surgery; the results showed that the aortic dissection was repaired without endoleak, and all three branches of the aortic arch remained unobstructed.
CONCLUSION: Applying the triple pre-fenestration technique for aortic arch lesions was feasible and minimally invasive in our case. The technique provides a new avenue for thoracic endovascular aortic repair of Stanford type A aortic dissection.

PMID: 33511183 [PubMed]

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