期刊
ANNALS OF THORACIC SURGERY
卷 86, 期 1, 页码 95-102出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.athoracsur.2008.03.037
关键词
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Background. To possibly prevent late complications after classic type A aortic dissection repair, the radical concept of ascending/ arch replacement with simultaneous antegrade descending stent grafting using a hybrid prosthesis was applied and compared with conventional repair leaving the distal false lumen untreated. Methods. Between January 2001 and October 2007, of 71 consecutive patients with acute type A aortic dissection (AAAD), 45 had DeBakey type I dissection and underwent emergency surgery within 24 hours after onset of symptoms. These patients were separated into group 1 (n = 23) undergoing conventional surgery, and group 2 (n = 22) undergoing combined repair with antegrade stent grafting. Results. Patients were comparable for baseline characteristics, but more group 2 patients had severely compromised hemodynamics (p = 0.05) and cerebral malperfusion at arrival (p < 0.01). Intraoperative and postoperative characteristics were similar, with an overall hospital mortality of 16% (5 [22%] versus 2 [9%], group 1 versus group 2; p = 0.22). At a mean follow-up time of 48 months for group 1 versus 23 months for group 2 (p < 0.01), late mortality did not differ between groups (p = 0.38) and was mainly related to additional surgical procedures and persisting neurologic sequelae and not to the aortic pathology. Persisting distal false lumen patency was observed in 89% of group 1 versus 10% of group 2 patients (p < 0.01). Conclusions. This hybrid approach to patients with type I acute aortic dissection is technically feasible without increasing the operative risk and offers the chance of persistent occlusion of the persistent graft distal false lumen.c
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