BACKGROUND: With the increasing use of biologic conduits or bioprosthetic valve, the number of patients who require redo operation on aortic root increased. METHODS: In the past 22 years, 14 patients underwent redo operation on aortic root. The mean age was 61.9 ± 14.8 years. Previous operations were full root replacement with stentless valve (n = 4), aortic root replacement with subcoronary technique (n = 3) and Bentall operation (n = 7). The operation interval was 5.4 ± 6.4 years. Indication for redo operation included structural valve deterioration (n = 6), prosthetic valve endocarditis (n = 4), perivalvular leakage (n = 2), dilatation of sinus of Valsalva (n = 1) and dehiscence of proximal anastomosis line (n = 1). Mean follow-up period was 5.3 ± 5.2 years. RESULTS: Present operations were full root replacement with stentless valve (n = 5) and Bentall operation (n = 9). There was one in-hospital death (7.1 %) caused by arrhythmia. Postoperative complications included implantation of permanent pacemaker (n = 3), arrhythmia (n = 2) and re-intubation (n = 1). The 5-year survival was 92.9 ± 6.9%. Freedom from redo aortic operation at 5 years was 100%. CONCLUSION: Redo operation on aortic root can be performed with acceptable in-hospital mortality and good late survival.
BACKGROUND: With the increasing use of biologic conduits or bioprosthetic valve, the number of patients who require redo operation on aortic root increased. METHODS: In the past 22 years, 14 patients underwent redo operation on aortic root. The mean age was 61.9 ± 14.8 years. Previous operations were full root replacement with stentless valve (n = 4), aortic root replacement with subcoronary technique (n = 3) and Bentall operation (n = 7). The operation interval was 5.4 ± 6.4 years. Indication for redo operation included structural valve deterioration (n = 6), prosthetic valve endocarditis (n = 4), perivalvular leakage (n = 2), dilatation of sinus of Valsalva (n = 1) and dehiscence of proximal anastomosis line (n = 1). Mean follow-up period was 5.3 ± 5.2 years. RESULTS: Present operations were full root replacement with stentless valve (n = 5) and Bentall operation (n = 9). There was one in-hospital death (7.1 %) caused by arrhythmia. Postoperative complications included implantation of permanent pacemaker (n = 3), arrhythmia (n = 2) and re-intubation (n = 1). The 5-year survival was 92.9 ± 6.9%. Freedom from redo aortic operation at 5 years was 100%. CONCLUSION: Redo operation on aortic root can be performed with acceptable in-hospital mortality and good late survival.
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