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  • Title: [Long-term experience with flexible mitral annuloplasty].
    Author: Revuelta JM, Bernal JM, Gaite L, Alonso C, Vega JL, Durán CM.
    Journal: Rev Esp Cardiol; 1989; 42(7):465-70. PubMed ID: 2813894.
    Abstract:
    Reconstructive surgery of the mitral valve is nowadays generally accepted to be a valid alternative to replacement. There is however little information on the long term stability of these techniques and specially the incidence of reoperation. In order to study this question all patients who had a Durán flexible ring annuloplasty performed between january 1975 and december 1976 were reviewed up to december 1987. Eighty seven flexible rings were placed in 85 patients. Aortic and/or tricuspid surgery was simultaneously performed in 44.8% of the patients. There were 2 hospital deaths (2.3% ) and 3 late deaths (3.5%). Ten patients were lost to follow up, all within 2 years after surgery. There were 18 thromboembolic events (11 central and seven peripheral) with one death. Thirteen patients required reoperation (17.8%) In 11 the valve was replaced and a new flexible ring annuloplasty was done in two, without mortality. The causes for reoperation were regurgitation in eight (10.9%) and stenosis in five (5.8%). When the lesion was regurgitant the average interval between operations was 20.6 months, and when stenotic of 87.8 months. It can be concluded that reconstructive surgery of the mitral valve, in this predominantly rheumatic group of patients, has an incidence or reoperation close to 18% at 12-13 years follow up.
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