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  • Title: Tricuspid Annuloplasty for Tricuspid Regurgitation Secondary to Left-Sided Heart Valve Disease: Immediate Outcomes and Risk Factors for Late Failure.
    Author: Gatti G, Dell'Angela L, Morosin M, Maschietto L, Pinamonti B, Forti G, Benussi B, Nicolosi GL, Sinagra G, Pappalardo A.
    Journal: Can J Cardiol; 2016 Jun; 32(6):760-6. PubMed ID: 26777269.
    Abstract:
    BACKGROUND: Tricuspid valve annuloplasty is the treatment of choice for tricuspid regurgitation (TR) secondary to left-sided heart valve disease (functional TR). METHODS: Between 1999 and 2014, 527 consecutive patients (mean age, 69.6 ± 9.5 years) with grade ≥ 1+ functional TR (graded from 0-3+) underwent tricuspid annuloplasty in addition to left-sided heart valve operations at the authors' institution. The operative risk (by the European System for Cardiac Operative Risk Evaluation II [EuroSCORE II]) was 10.4% ± 12.2%. Clinical data and echocardiographic studies were reviewed retrospectively during a mean follow-up of 5.2 ± 3.5 years. Risk factors for late repair failure were identified by multivariable analysis. RESULTS: Either suture (De Vega) or device annuloplasty was used in 14.8% and 85.2% of patients, respectively. Concomitant mitral or aortic valve surgery was performed in 92.6% and 35.9% of cases, respectively. There were 48 (9.1%) hospital deaths. The 10-year nonparametric estimates of freedom from all-cause death, cardiac and cerebrovascular deaths, and grade ≥ 2+ TR were 51.2% (95% confidence interval [CI], 47.8%-54.6%) 69.9% (95% CI, 67%-72.8%), and 77.8% (95% CI, 74.2%-81.4%), respectively. A left ventricular ejection fraction < 50% (P = 0.027), tricuspid annular diameter > 40 mm (P = 0.001), and use of De Vega annuloplasty (P = 0.019) were predictors of grade ≥ 2+ TR during the follow-up period. There was a strong link between grade ≥ 2+ TR and new left-sided valvular lesions (odds ratio, 5.3; P < 0.0001), primarily mitral regurgitation. CONCLUSIONS: After device annuloplasty and in the absence of preoperative left ventricular dysfunction and severe tricuspid annular dilatation, functional TR is generally controlled within grade 1+ during the follow-up period. Recurrent TR is associated with new left-sided valvular lesions.
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