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      Tricuspid regurgitation: what is the real clinical impact and how often should it be treated?

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      EuroIntervention

      Europa Digital & Publishing

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          Secondary tricuspid regurgitation or dilatation: which should be the criteria for surgical repair?

          Secondary tricuspid dilatation may or not be accompanied by tricuspid regurgitation (TR). Tricuspid dilatation can be objectively measured whereas TR can vary according to the preload, afterload, and right ventricular function. The purpose of this prospective study was to determine whether surgical repair of the tricuspid valve based on tricuspid dilatation rather than TR could lead to potential benefits. Between 1989 and 2001, 311 patients underwent mitral valve repair (MVR). The tricuspid valve was examined in each patient. Tricuspid annuloplasty was performed only if the tricuspid annular diameter was greater than twice the normal size (> or = 70 mm) regardless of the grade of regurgitation. Patients in group 1 (163 patients; 52.4%) received MVR alone. Patients in group 2 (148 patients; 47.6%) received MVR plus tricuspid annuloplasty. Although not significant there was a difference with regard to hospital mortality (group 1 = 1.8%, group 2 = 0.7%) and actuarial survival rate (Kaplan-Meier: group 1 = 97.3%, 96.2%, and 85.5%; group 2 = 98.5%, 98.5%, and 90.3% at 3, 5, and 10 years, respectively). The New York Heart Association (NYHA) functional class was significantly improved in group 2 (group 1 = 1.59 +/- 0.84; group 2 = 1.11 +/- 0.31; p1). TR increased by more than two grades in 48% of the patients in group 1 and in only 2% of the patients in group 2 (p < 0.001). Remodeling annuloplasty of the tricuspid valve based on tricuspid dilation improves functional status irrespective of the grade of regurgitation. Considerable tricuspid dilatation can be present even in the absence of substantial TR. Tricuspid dilatation is an ongoing disease process that will, with time, lead to severe TR.
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            Functional tricuspid regurgitation: a need to revise our understanding.

            The assessment of the etiology and severity of functional tricuspid regurgitation (FTR) has many limitations, especially when tricuspid regurgitation (TR) is more than severe. Instead of relying solely on TR severity, a new approach not only takes into account the severity of TR, but also pays strict attention to tricuspid annular dilation (size), the mode of tricuspid leaflet coaptation, and tricuspid leaflet tethering-factors often influenced by right ventricular enlargement and dysfunction. To simplify things, we propose a new staging system for functional tricuspid valve pathology using 3 parameters that may more accurately reflect the severity of the disease: TR severity, annular dilation, and mode of leaflet coaptation (extent of tethering). We believe that by utilizing these parameters, cardiologists and cardiac surgeons will be offered a better system for appraisal and decision-making in FTR.
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              The need for a new tricuspid regurgitation grading scheme.

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                Author and article information

                Journal
                EuroIntervention
                EuroIntervention
                Europa Digital & Publishing
                1774-024X
                August 2018
                August 2018
                : 14
                : AB
                : AB101-AB111
                Article
                10.4244/EIJ-D-18-00533
                © 2018

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