A Case of Ruptured Mediastinal Bronchial Artery Aneurysm Successfully Treated with Artery Embolization with N-butyl-2-cyanoacrylate and a Coil

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  • N-butyl-2-cyanoacrylateとコイルによる塞栓術が有効であったショックを伴う縦隔型気管支動脈瘤破裂の1例

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<p>Background. Bronchial artery aneurysm is a rare disease but can be life-threatening when it ruptures. Case. A 74-year-old woman with hypertention presented with sudden back pain at dinner and visited our emergency department. Contrast-enhanced computed tomography showed an enlargement of the middle mediastinum and a high-density 6-mm nodule connected to the bronchial artery in the early phase. After the examination, her systolic blood pressure dropped to about 40 mmHg. Emergency bronchial artery angiography showed a bronchial artery aneurysm, so artery embolization with N-butyl-2-cyanoacrylate (NBCA) /lipiodol and a microcoil was performed, which succeeded. Her post-procedure course was uneventful, and she was discharged on the 16th day of admission. There has been no recurrence in the 1 year and 5 months since the procedure. Conclusion. Ruptured bronchial artery aneurysm should be diagnosed early. Artery embolization is effective for the treatment, and NBCA is useful as an embolic material.</p>

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