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Disruption of a Dacron Graft Caused by the Vertebral Body of the Lumbar Vertebrae after Reconstruction of the Thoracoabdominal Aortic Aneurysm
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（Department of Cardiovascular Surgery, Nakagami Hospital, Okinawa, Japan, and Department of Cardiovascular Surgery, Nippon Medical School Musashikosugi Hospital*, Tokyo, Japan）
| Kouan Orii |
Masafumi Hioki* |
Yoshio Iedokoro* |
| Jiro Honda |
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We report an extremely rare case of early disruption of a woven Dacron graft by the mechanical force of the lumbar vertebral body after a thoracoabdominal aortic aneurysm repair. A 75-year-old man with thoracoabdominal aortic aneurysm of Crawford type III underwent replacement of the thoracoabdominal aorta using a Gelweave thoracoabdominal graft（Vascutek）and a Gelweave bifurcate graft（Vascutek). His postoperative course was uneventful and discharged on postoperative day 20. On the 22nd postoperative day, he was re-hospitalized with low back pain. Computed tomography scanning showed a massive hematoma around the region of the graft-to-graft anastomosis. He underwent an emergency operation. At laparotomy, the Gelweave thoracoabdominal graft had a 2-mm hole which had been caused by the mechanical force of lumbar vertebral body, which was not related to the anastomosis. The graft was repaired with a 4-0 polypropylene buttress suture and a new prosthesis graft was used to wrap around the disrupted graft.
Jpn. J. Cardiovasc. Surg. 41:211-214（2012）
Keywords：thoracoabdominal aortic aneurysm, lumbar vertebral body of vertebrae, osteophyte, disruption of dacron graft
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