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  • Title: Long-term results of the bentall operation versus separate replacement of the ascending aorta and aortic valve.
    Author: Houël R, Soustelle C, Kirsch M, Hillion ML, Renaut C, Loisance DY.
    Journal: J Heart Valve Dis; 2002 Jul; 11(4):485-91. PubMed ID: 12150294.
    Abstract:
    BACKGROUND AND AIMS OF THE STUDY: Aortic valve disease associated with ascending aorta dilatation can be treated either by separate replacement of the aortic valve and ascending aorta, or by a composite valved graft. METHODS: Between 1974 and 1999, 117 patients underwent a Bentall operation (BP), and 63 a separate replacement procedure (SP) of the ascending aorta and aortic valve. Anatomic lesions were dystrophic aneurysm in 79 patients, annuloectasia in 65, chronic dissection in 14, acute dissection in 18, and other etiology in four. Mean follow up was 3.45+/-3.47 and 8.75+/-6.8 years in the BP and SP groups, respectively. RESULTS: Early mortality was 7.7% in the BP group versus 11% in the SP group (p = NS). Actuarial survival at 10 years postoperatively in these groups was respectively 77.7+/-5.6% versus 75.8+/-6.9% (p = NS). However, freedom from late complication of the ascending aorta was significantly different (97.3+/-1.9% versus 68.3+/-9.0% at 10 years postoperatively). SP was identified as a risk factor for late complication of the ascending aorta by multivariate analysis (p = 0.01; odds ratio = 9). No statistical difference was observed on late reoperation rates. CONCLUSION: Separate replacement of the ascending aorta and aortic valve carries a higher complication rate for the remaining ascending aorta on long-term follow up when compared with the Bentall procedure. However, there were no differences in terms of late mortality.
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