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Surgical Replacement of Descending Aorta for Adult Aortic Coarctation by Using Three-dimensional Computer Graphics Reconstruction Hiroaki Aizawa 1 , Takayuki Gyoten 1 , Hidetomi Takahashi 1 , Masahiko Ando 1 , Haruo Yamauchi 1 , Minoru Ono 1 1Department of Cardiac Surgery, The University of Tokyo Keyword: aortic coarctation , descending aortic replacement , medical image viewer pp.345-350
Published Date 2024/5/1
DOI https://doi.org/10.15106/j_kyobu77_345
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Aortic coarctation is diagnosed in approximately 5% of adult patients with congenital heart disease and is commonly diagnosed through the close examination of hypertension. Various surgical strategies for adult coarctation have been recently reported. Generally, aortic replacement may require blood transfusion in case of injury of the well-developed collateral vessels. Therefore, in order to secure an operative safety, we preoperatively used a medical image viewer to identify the abnormal vessels by three-dimensional computer graphics (3DCG) reconstruction. A 34-year-old male patient was referred to our hospital with hypertension and low ankle-brachial pressure index (ABI). Chest computed tomography (CT) scan showed aortic coarctation and development of abnormal collateral vessels. Descending aorta was replaced via a left third-fourth intercostal thoracotomy under partial extracorporeal circulation. As the image viewer depicted, anatomical abnormality of the collateral vessels was identified precisely, and surgically treated without any injury. The patient was discharged 10 days postoperatively without transfusion and with a normalized ABI.


© Nankodo Co., Ltd., 2024

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電子版ISSN 2432-9436 印刷版ISSN 0021-5252 南江堂

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