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はじめに Stanford B型急性大動脈解離に対する治療は保存治療が第一選択とされている.一方,破裂例や臓器虚血を伴う複雑型の症例に対しては手術治療が第一選択とされており,手術治療としては開胸による人工血管置換術と胸部ステントグラフト内挿術(TEVAR)がある.術式は症例に応じて選択すべきであるが,開胸による人工血管置換術はTEVARと比べると侵襲が大きいため,低侵襲であるという利点からTEVARが選択されることが増えてきている1).われわれは,右下肢の虚血を伴う複雑型Stanford B型急性大動脈解離に対するTEVARを経験したため報告する.
We report a case of complicated Stanford type B acute aortic dissection with malperfusion to the right leg. The patient received conservative treatment in a previous hospital. However, he complained of pain in the right leg, which had been gradually turning pale. The patient was diagnosed with complicated Stanford type B acute aortic dissection with right leg malperfusion and was transferred to our hospital for treatment. Thoracic endovascular aortic repair (TEVAR) to close the entry to the distal aortic arch was performed, and we embolized the left subclavian artery to prevent type Ⅱ endoleak and to extend the stent-graft landing zone. We implanted a bare stent into the right external iliac artery to enlarge its true lumen. The patient was discharged from our hospital 22 days postoperatively. After the operation, computed tomography (CT) scan showed an aortic false lumen remodeling.
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