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他の心血管奇形を合併しない孤立性大動脈弓離断症の1例を報告する.
患者は45歳,女性.胸部異常陰影,高血圧を主訴に入院した.上肢左右,上下肢間で較差のある高血圧を認め,頸部で血管性雑音を聴取した.DSAと大動脈造影からは大動脈縮窄症との鑑別が容易でなかったが,MRI検査で本症の確定診断を得た.人工血管移植術を上行大動脈-腹部大動脈に施行し,以後経過は良好である.
A 43-year-old lady was hospitalized due to easy fatiguability in the legs during exercise, and for evalua-tion of an abnormal shadow in the chest X-ray, and hypertension. Her blood pressure was 200/80mmHg in the right arm,140/70mmHg in the left, and 110/70mmHg in both lower extremities. Systolic vascular bruit radiating to her neck and back was audible in the Erb's area. DSA and aortogram disclosed extremely dilated vessels around the origin of the left common carotid artery. The left subclavian artery was opacified retrogradely as a subclavian blood steal via the left vertebral artery, and mild stenosis was seen at its origin.
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