科研之友
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摘要
Background. Acute bacterial endocarditis may be extremely destructive for cardiac valves and their periannular structures. It has been suggested that complex reconstruction procedures require the use of homografts because of their versatility and potency to resist repeated infection. Methods. We studied the long-term results of 69 patients with complex endocarditis who received homografts in the aortic position. Results. The results after a mean follow-up of 8.1 +/- 5.1 years (median, 8.0 years) showed that the recurrence of endocarditis even in these complex cases is low (7%), but the incidence of structural valve degeneration (SVD) is high. Freedom from SVD at 10 years is only 60.0%. When aortic homografts degenerate, they predominantly calcify. Conclusions. The use of homografts to reconstruct endocarditis-related aortic valve destruction is associated with a low recurrence of endocarditis but a high incidence of SVD in the long run.
- 出版日期2015-3-27
