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Acute Aortic Dissection Presenting as Intermittent Paralysis of the Right Lower Limb: A Case Report

急性主動脈剝離以陣發性右下肢無力爲表現一病歷報告

摘要


胸主動脈剝離是一少見但致命的疾病。一般是以急性胸痛併轉移至背部為典型表現,然而有時會以不典型症狀表現。我們在這裡報告一病人,一開始以背痛轉移至右下肢併右下肢疼痛麻木無力來表現。之後病患症狀曾完全緩解兩小時之久。但因症狀復發且腰椎磁核共振無異狀,因而懷疑肢體動脈剝離而安排電腦斷層血管攝影掃描。電腦斷層顯示A型胸主動脈剝離至兩側外腸骨動脈。症狀發生六小時後,病患突然失去生命跡象。胸部超音波顯示心包膜填塞。

並列摘要


Aortic dissection is a rare and potentially life-threatening condition. Neurological complications such as unilateral paralysis as presenting manifestation of aortic dissection are exceedingly rare. We describe a 48-year-old man who presented with acute onset of low back pain, radiating to his right thigh and accompanied with paresthesia and paralysis of the lower right limb. Full resolution of the pain and paralysis occurred within 2 hours of presentation, however, the symptoms recurred 2 hours after full resolution. Computed tomography angiography revealed extensive type A aortic dissection, from the aortic root to the bilateral external iliac arteries. Regrettably, acute cardiac tamponade resulted in sudden death of this patient within 6 hours of onset of symptoms, before any therapeutic intervention could be entertained.

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