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    Interventional procedure overview of transcatheter tricuspid valve implantation for tricuspid regurgitation

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    Clinical assessment tools

    Most studies used a scoring system for assessing the risk of in-hospital mortality after cardiac surgery. The main ones are described below.

    EuroSCORE 2

    EuroSCORE 2 is a validated and commonly used risk model for assessing the perioperative risk of mortality after major cardiac surgery. It is based on patient factors, such as age, sex and comorbidities, cardiac specific factors, such as NYHA class, and procedural factors, such as urgency. It is expressed as a percentage on a scale of 0 to 100%, with lower scores indicating a lower risk.

    STS score

    The STS score is a risk stratification model, composed of up to 30 variables that predict short- and long-term mortality and morbidity after cardiac surgery. In general, an STS predicted risk of surgical mortality of 4 to 8% is considered intermediate risk and 8% or greater is considered high risk.

    TRI-SCORE

    The TRI-SCORE is a risk score model for predicting in-hospital mortality after isolated tricuspid valve surgery on a native tricuspid valve, based on 8 preoperative parameters divided into 3 categories: clinical (age, NYHA functional class, right heart failure signs and daily dose of diuretics), biological (glomerular filtration rate and total bilirubin) and echocardiographic (left and right ventricular systolic function). The score ranges from 0 to 12, with lower scores indicating a lower risk.