{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T00:53:30Z","timestamp":1759452810150,"version":"build-2065373602"},"reference-count":27,"publisher":"IMR Press","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["HSF"],"abstract":"<jats:p>Objective: The objective is to present a method for maintaining the spinal cord blood supply and our midterm results for using a tetrafurcate graft in extensive thoracoabdominal aortic aneurysm (TAAA) repair.Methods: From August 2003 to October 2007, we used a tetrafurcate graft to perform repairs to TAAAs of Crawford extent II in 63 consecutive patients. The mean age of this group of patients was 39.98 10.62 years, and 46 (73%) of them were male. All of the procedures were performed under profound hypothermia with a short interval of circulatory arrest. T6 to T12 intercostal arteries were reconstructed as a \"neo-intercostal artery\" (N-IA) and were connected to an 8-mm sidearm of the graft to maintain the spinal cord blood supply. Visceral arteries were joined into a patch and were anastomosed to the end of the main graft. The left renal artery was anastomosed to an 8-mm sidearm or joined to the patch. The other 10-mm sidearms were anastomosed to iliac arteries.Results: With 100% follow-up, the early-mortality rate was 7.94%. The incidence of cerebral complications was 9.52%. Temporary paraplegia was observed in 2 patients, and paraparesis occurred in 1 patient. Pulmonary complication was the most common morbidity in this group (25.40%). Two patients with Marfan syndrome had N-IA artery pseudoaneurysms during follow-up. The mean survival time of this group was 50.64 2.13 months, with survival rates of 92.06% after 1 year, 88.38% after 2 years, and 86.11% after 3 years.Conclusion: The N-IA may play an important role in spinal cord protection, and N-IA pseudoaneurysm should be avoided in Marfan syndrome patients. The use of a tetrafurcate graft is a reliable method for TAAA repair, with satisfactory midterm results.<\/jats:p>","DOI":"10.1532\/hsf98.20091081","type":"journal-article","created":{"date-parts":[[2010,2,16]],"date-time":"2010-02-16T21:05:34Z","timestamp":1266354334000},"page":"1","source":"Crossref","is-referenced-by-count":6,"title":["Repair of Extensive Thoracoabdominal Aortic Aneurysm with a Tetrafurcate Graft: Midterm Results of 63 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