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  • Title: Results of annular reconstruction with a pericardial patch in active infective endocarditis.
    Author: Shinn SH, Sung K, Park PW, Lee YT, Kim WS, Yang JH, Jun TG, Lee SC, Park SW.
    Journal: J Heart Valve Dis; 2009 May; 18(3):315-20. PubMed ID: 19557990.
    Abstract:
    BACKGROUND AND AIM OF THE STUDY: Annular reconstruction in active infective endocarditis (IE) is technically difficult, and results in a high mortality and morbidity. The study aim was to determine the midterm results of annular reconstruction with a pericardial patch in active IE. METHODS: A total of 57 operations was performed in 56 patients (38 men, 18 women; mean age 48.3 +/- 16.9 years) with active IE. Twenty-five cases (44%) were included in whom the preoperative NYHA class was III or IV. RESULTS: Bovine pericardium was used in 52 cases, autologous pericardium in three, and bovine + autologous pericardium in two. The aortic annulus was reconstructed in 18 cases, combined with aortomitral continuity in 13 cases, and both aortic and mitral annulus were combined with aortomitral continuity in three cases. The mitral annulus was reconstructed in 21 cases, and the complete cardiac skeleton was reconstructed in one case. There were three operative deaths. Postoperative complications included reexploration due to bleeding in two cases, mediastinitis in one case, complete atrioventricular block in five cases, and cerebral hemorrhage in six cases. The follow up was 93% complete (52/56); the mean duration of follow up was 45.1 +/- 32.6 months (range: 2-138 months). There were two late deaths, at three and eight months postoperatively. Endocarditis recurred five times in four patients. Re-do surgery was performed in four cases due to endocarditis recurrence in three patients at two, three, and 29 months after surgery, respectively, and to a pseudoaneurysm in one patient at one month postoperatively. The mean survival at two years was 91 +/- 3.9%; the two-year event-free survival was 82 +/- 5.4%. CONCLUSION: Annular reconstruction with a pericardial patch in active IE can be performed safely, and showed good durability at the mid-term follow up examination.
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